EXC 314:  Unifying Concepts in Catalysis

• Subject Area: Molecular Chemistry ; Analytical Chemistry ; Biological Chemistry and Food Chemistry ; Chemical Solid State and Surface Research ; Condensed Matter Physics ; Physical Chemistry ; Polymer Research ; Process Engineering, Technical Chemistry
• Term: from 2007 to 2018
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 53182490

• Final Report Year: 2020

Final Report Abstract

In an unparalleled integrated approach, the Cluster of Excellence UniCat (funded from 2007-2018), has successfully demonstrated how to pursue essential steps towards a comprehensive understanding of molecular mechanisms in single catalytic reactions and paved the way to a knowledgebased design of new chemical and biological catalysts. This could be achieved by de-termining common fundamental reaction mechanisms in homogeneous, heterogeneous, and bio-logical catalysis, thereby overcoming traditionally barriers between the various catalysis sub-disciplines. Its final research program consisted of two main areas, chemical and biological catal-ysis, dedicated to the central research questions how to achieve efficient and selective activation of small molecules (methane, carbon oxides, dihydrogen, dioxygen, water, and hydrogen perox-ide), and how to control biocatalysis in cellular systems with proteins and light. UniCat developed a more general - unifying - view on catalytic pathways in (bio)chemical transformations via detailed atomic elucidation of the elementary steps of single catalytic cycles in different environments of the chemical and biological world. Two selected key discoveries may illustrate UniCat’s research achievements which led to high national and international visibility: (i) Substantial improvement of the oxidative coupling of methane to ethylene and (ii) uncovering the origin of the oxygen-tolerance of a [NiFe] containing hydrogenase for hydrogen cycling. Both examples show that a comprehensive molecular understanding of catalytic processes can only be achieved with knowledge about the atomicscale active site structural dynamics and the reaction dynamics of the associated processes. Central for the success of all projects were tailored experimental and theoretical methods that are suitable for multi-scale analysis and in-situ monitoring of (bio)catalytic reactions in highly complex environments. This could be achieved through the tight collaborations between more than 250 researchers from the TU, FU, and HU Berlin, the UP, the Charité, the FHI and the MPI-KGF. Substantial staff developments at TU and the other participating institutions included four new professorships and the appointment of 13 junior professors and independent young researchers. Further success in promotion of young researchers was provided by UniCat’s Berlin International Graduate School of Natural sciences and Engineering (BIG-NSE), where 92 students finished their PhD (about 50% female, and 66% foreign students), and about 90% of the students obtained their PhD degree with “excellent” or “very good“ grade. Thanks to specific measures, UniCat could increase the proportion of women within the group of PIs from 4% at the beginning of UniCat (2007) to 14% (2018). Important features of sustainability include the foundation of the Gerhard Ertl Center, as the physical home of the BIG-NSE and UniCat’s administration, and the UniCat-BASF joint lab (BasCat).

Link to the final report

https://dx.doi.org/10.2314/GBV:1697188974

Publications

• A Trispyrazolylborato Iron Malonato Complex as a Functional Model for the Acetylacetone Dioxygenase; Angew. Chem. Int. Ed. 2008, 47, 7953-7956
  I. Siewert, C. Limberg
  (See online at https://dx.doi.org/10.1002/anie.200802955)
• Activation of Methane by Oligomeric (Al2O3)n+ (n = 3, 4, 5): The Role of Oxygen-Centered Radicals in Thermal Hydrogen-Atom Abstraction; Angew. Chem. Int. Ed. 2008, 47, 1946-1950
  S. Feyel, J. Döbler, R. Höckendorf, M. K. Beyer, J. Sauer, H. Schwarz
  (See online at https://dx.doi.org/10.1002/anie.200704791)
• Photosynthetic water oxidation at elevated dioxygen partial pressure monitored by time-resolved X-ray absorption measurements; Proc. Natl. Acad. Sci. USA 2008, 105, 17384-17389
  M. Haumann, A. Grundmeier, I. Zaharieva, H. Dau
  (See online at https://dx.doi.org/10.1073/pnas.0802596105)
• Chromophore structure of cyanobacterial phytochrome Cph1 in the Pr state: reconciling structural and spectroscopic data by QM/MM calculations; Biophys. J. 2009, 96, 4153-4163
  M. A. Mroginski, D. von Stetten. F. Velazquez Escobar, H. M. Strauss, S. Kaminski, P. Scheerer, M. Günther, D. H. Murgida, P. Schmieder, C. Bongards, W. Gärtner, J. Maillet, J. Hughes, L. O. Essen, P. Hildebrandt
  (See online at https://dx.doi.org/10.1016/j.bpj.2009.02.029)
• Monitoring catalysis of the membrane-bound hydrogenase from Ralstonia eutropha H16 by surface-enhanced infrared absorption spectroscopy; Angew. Chem. Int. Ed. 2009, 48, 611-613
  N. Wisitruangsakul, O. Lenz, M. Ludwig, B. Friedrich, F. Lendzian, P. Hildebrandt, I. Zebger
  (See online at https://dx.doi.org/10.1002/anie.200802633)
• Novel Au-Ag Hybrid Device for Electrochemical SE(R)R Spectroscopy in a Wide Potential and Spectral Range; Nano Lett. 2009, 9, 298-303
  J.-J. Feng, U. Gernert, M. Sezer, U. Kuhlmann, D. H. Murgida, C. David, M. Richter, A. Knorr, P. Hildebrandt, I. M. Weidinger
  (See online at https://dx.doi.org/10.1021/nl802934u)
• Photosynthetic hydrogen production by a hybrid complex of photosystem I and [NiFe]-hydrogenase; ACS Nano 2009, 3, 4055-4061
  H. Krassen, A. Schwarze, B. Friedrich, K. Ataka, O. Lenz, J. Heberle
  (See online at https://dx.doi.org/10.1021/nn900748j)
• Analysis of attainable reactor performance for the oxidative methane coupling process; Chem. Eng. Sci. 2010, 65, 6341-6352
  S. Jaso, H.R. Godini, H. Arellano-Garcia, M. Omidkhah, G. Wozny
  (See online at https://dx.doi.org/10.1016/j.ces.2010.08.019)
• Charge-Mediated Adsorption Behavior of CO on MgO-Supported Au Clusters, J. Am. Chem. Soc. 2010, 132, 7745–7749
  X. Lin, B. Yang, H. M. Benia, P. Myrach, M. Yulikov, A. Aumer, M. A. Brown, M. Sterrer, O. Bondarchuk, E. Kieseritzky, J. Rocker, T. Risse, H. J. Gao, N. Nilius, H. J. Freund
  (See online at https://dx.doi.org/10.1021/ja101188x)
• From silicon(II)-based dioxygen activation to adducts of elusive dioxasiliranes and sila-ureas stable at room temperature, Nat. Chem. 2010, 2, 577–580
  Y. Xiong, S. Yao, R. Müller, M. Kaupp, M. Driess
  (See online at https://dx.doi.org/10.1038/nchem.666)
• In Vivo Double and Triple Labeling of Proteins Using Synthetic Amino Acids, Angew. Chem. Int. Ed. 2010, 49, 5446–5450
  N. Budisa, L. Merkel, S. Lepthien
  (See online at https://dx.doi.org/10.1002/anie.201000439)
• In Vivo Double and Triple Labeling of Proteins Using Synthetic Amino Acids; Angew. Chem. Int. Ed. 2010, 49, 5446-5450
  S. Lepthien, L. Merkel, N. Budisa
  (See online at https://dx.doi.org/10.1002/anie.201000439)
• Induced SER-activity in nanostructured Ag–silica–Au Supports via Long Range Plasmon Coupling, Adv. Funct. Mater. 2010, 20, 1954–1961
  J. J. Feng, U. Gernert, P. Hildebrandt, I. Weidinger
  (See online at https://dx.doi.org/10.1002/adfm.201000302)
• Monooxygenase-Like Reactivity of an Unprecedented Heterobimetallic {FeO2Ni} Moiety; Angew. Chem. Int. Ed. 2010, 49, 7054-7058
  S. Yao, C. Herwig, Y. Xiong, A. Company, E. Bill, C. Limberg, M. Driess
  (See online at https://dx.doi.org/10.1002/anie.201001914)
• Probing the active site of an O2-tolerant NAD+-reducing [NiFe]-hydrogenase from Ralstonia eutropha H16 by in situ EPR and FTIR spectroscopy; Angew. Chem. Int. Ed. 2010, 49, 8026-8029
  M. Horch, L. Lauterbach, M. Saggu, P. Hildebrandt, F. Lendzian, R. Bittl, O. Lenz, I. Zebger
  (See online at https://dx.doi.org/10.1002/anie.201002197)
• Redox properties and catalytic activity of surfacebound human sulfite oxidase studied by a combined surface enhanced resonance Raman spectroscopic and electrochemical approach; Phys. Chem. Chem. Phys. 2010, 12, 7894-7903
  M. Sezer, R. Spricigo, T. Utesch, D. Millo, S. Leimkühler, M. A. Mroginski, U. Wollenberger, P. Hildebrandt, I. M. Weidinger
  (See online at https://dx.doi.org/10.1039/b927226g)
• Temperature-Dependent Morphology, Magnetic and Optical Properties of Li-Doped MgO; ChemCatChem 2010, 2, 854-862
  P. Myrach, N. Nilius, S. V. Levchenko, A. Gonchar, T. Risse, K.-P. Dinse, L. A. Boatner, W. Frandsen, R. Horn, H. J. Freund, R. Schlögl, M. Scheffler
  (See online at https://dx.doi.org/10.1002/cctc.201000083)
• The Mechanism of Water Oxidation: From Electrolysis via Homogenous to Biological Catalysis ChemCatChem, 2010, 2, 724–761
  H. Dau, C. Limberg, T. Reier, M. Risch, S. Roggan, P. Strasser
  (See online at https://dx.doi.org/10.1002/cctc.201000126)
• Ultrafast optogenetics: precise neural control beyond the gamma band Nat. Neurosci. 2010, 13, 387-393
  L. Gunaydin, O. Yizhar, A. Berndt, V. Sohal, K. Deisseroth, P. Hegemann
  (See online at https://dx.doi.org/10.1038/nn.2495)
• A Critical Assessment of Li/MgO-Based Catalysts for the Oxidative Coupling of Methane, Cat. Rev. Sci. Eng. 2011, 53, 424–514
  S. Arndt, G. Laugel, S. Levchenko, R. Horn, M. Baerns, M. Scheffler, R. Schlögl, R. Schomäcker
  (See online at https://dx.doi.org/10.1080/01614940.2011.613330)
• A Molecular Precursor Approach to Tunable Porous Tin-Rich Indium Tin Oxide with Durable High Electrical Conductivity for Bioelectronic Devices; Chem. Mater. 2011, 23, 1798-1804
  Y. Aksu, S. Frasca, U. Wollenberger, M. Driess, A. Thomas
  (See online at https://dx.doi.org/10.1021/cm103087p)
• A unique iron-sulfur cluster is crucial for oxygen tolerance of a [NiFe]-hydrogenase; Nat. Chem. Biol. 2011, 7, 310-318
  T. Goris, A. Wait, M. Saggu, J. Fritsch, N. Heidary, M. Stein, I. Zebger, F. Lendzian, F. Armstrong, B. Friedrich, O. Lenz
  (See online at https://dx.doi.org/10.1038/NCHEMBIO.555)
• Carbon dioxide capture for the oxidative coupling of methane process – a case study in mini-plant scale; Chem. Eng. Res. Des. 2011,1261-1270
  S. Stünkel, A. Drescher, J. Wind, T. Brinkmann, J.-U. Repke, G. Wozny
  (See online at https://dx.doi.org/10.1016/j.cherd.2011.02.024)
• CO oxidation as a prototypical reaction for heterogeneous processes, Angew. Chem. Int. Ed. 2011, 50, 10064 -10094
  H. Freund, G. Meijer, M. Scheffler, R. Schlögl, M. Wolf
  (See online at https://dx.doi.org/10.1002/anie.201101378)
• Dinuclear Copper Complexes Based on Parallel β-Diiminato Binding Sites and their Reactions with O2 - Evidence for a Cu-O-Cu Entity; Inorg. Chem. 2011, 50, 2133-2142
  P. Haack, C. Limberg, K. Ray, B. Braun, U. Kuhlmann, P. Hildebrandt, C. Herwig
  (See online at https://dx.doi.org/10.1021/ic101249k)
• Heterologous expression, biosynthesis and mutagenesis of type II lantibiotics from Bacillus licheniformis in Escherichia coli; Chem. Biol. 2011, 18, 90-100
  T. Caetano, J. Krawczyk, E. Mösker, R. D. Süssmuth, S. Mendo
  (See online at https://dx.doi.org/10.1016/j.chembiol.2010.11.010)
• Li-doped MgO From Different Preparative Routes for the Oxidative Coupling of Methane, Top. Catal. 2011, 54, 1266–2285
  S. Arndt, U. Simon, S. Heitz, A. Berthold, B. Beck, O. Görke, J. D. Epping, T. Otremba, Y. Aksu, E. Irran, G. Laugel, M. Driess, H. Schubert, R. Schomäcker
  (See online at https://dx.doi.org/10.1007/s11244-011-9749-z)
• Lithium as Modifier for Morphology and Defect Structure of Porous Magnesium Oxide Materials Prepared by Gel Combustion Synthesis, ChemCatChem 2011, 3, 1179–1788
  U. Zavyalova, G. Weinberg, W. Frandsen, F. Girgsdies, T. Risse, K. P. Dinse, R. Schlögl, R. Horn
  (See online at https://dx.doi.org/10.1002/cctc.201100146)
• Neocortical excitation/inhibition balance in information processing and social dysfunction, Nature 2011, 477, 171-178
  O. Yizhar, L. E. Fenno, M. Prigge, F. Schneider, T. J. Davidson, D. J. O'Shea, V. S. Sohal, I. Goshen, J. Finkelstein, J. T. Paz, K. Stehfest, R. Fudim, C. Ramakrishnan, J. R. Huguenard, P. Hegemann, K. Deisseroth
  (See online at https://dx.doi.org/10.1038/nature10360)
• Structural Diversity and Flexibility of MgO Gas-Phase Clusters; Angew. Chem. Int. Ed. 2011, 50, 1716-1719
  K. Kwapien, M. Sierka, J. Döbler, J. Sauer, M. Haertelt, A. Fielicke, G. Meijer
  (See online at https://dx.doi.org/10.1002/anie.201004617)
• Synthetic manganese-calcium oxides mimic the water-oxidizing complex of photosynthesis functionally and structurally, Energ, Environ. Sci. 2011, 4, 2400–2408
  I. Zaharieva, M. M. Najafpour, M. Wiechen, M. Haumann, P. Kurz, H. Dau
  (See online at https://dx.doi.org/10.1039/c0ee00815j)
• The Conversion of Nickel-Bound CO to an Acetyl Thioester: Organometallic Chemistry Relevant to the Acetyl Co-enzyme A Synthase Ac-tive Site, Angew. Chem. Int. Ed. 2011, 50, 12621–12625
  B. Horn, C. Limberg, C. Herwig, S. Mebs
  (See online at https://dx.doi.org/10.1002/anie.201105281)
• The crystal structure of an oxygen-tolerant hydrogenase unmasks a novel ironsulphur centre; Nature 2011, 479, 249–252
  J. Fritsch, P. Scheerer, S. Frielingsdorf, S. Kroschinsky, B. Friedrich, O. Lenz, C. M. Spahn
  (See online at https://dx.doi.org/10.1038/nature10505)
• A Janus cobalt-based catalytic material for electro-splitting of water, Nat. Mater. 2012, 11, 802–807
  S. Cobo, J. Heidkamp, P. A. Jacques, J. Fize, V. Fourmond, L. Guetaz, B. Jousselme, V. Ivanova, H. Dau, S. Palacin, M. Fontecave, V. Artero
  (See online at https://doi.org/10.1038/NMAT3385)
• A Photochromic Histidine Kinase Rhodopsin (HKR1) That Is Bimodally Switched by Ultraviolet and Blue Light, J. Biol. Chem. 2012, 287, 40083–40090
  M. Luck, T. Mathes, S. Bruun, R. Fudim, R. Hagedorn, T. M. Tran Nguyen, S. Kateriya, J. T. M. Kennis, P. Hildebrandt, P. Hegemann
  (See online at https://doi.org/10.1074/jbc.M112.401604)
• Characterization and Quantification of Reduced Sites on Supported Vanadium Oxide Catalysts using High-Frequencey Electron Paramagnetic Resonance, ChemCatChem 2012, 4, 641– 652, 51, 6246–6250
  A. Dinse, C. Carrero, A. Ozarowski, R. Schomäcker, R. Schlögl, K. P. Dinse
  (See online at https://doi.org/10.1002/cctc.201100412)
• Congeneric Lantibiotics from Ribosomal In Vivo Peptide Synthesis with Noncanonical Amino Acids, Angew. Chem. Int. Ed. 2012, 51, 415–418
  F. Oldach, R. Al Toma, A. Kuthning, T. Caetano, S. Mendo, N. Budisa, R. Süssmuth
  (See online at https://doi.org/10.1002/anie.201106154)
• Experimental investigation of fluidizedbed reactor performance for oxidative coupling of methane, J. Nat. Gas Chem. 2012, 21, 534–543
  S. Jaso, S. Sadjadi, H. R. Godini, U. Simon, S. Arndt, O. Görke, A. Berthold, H. Arellano- Garcia, H. Schubert, R. Schomäcker, G. Wozny
  (See online at https://doi.org/10.1016/S1003-9953(11)60402-7)
• Lessons from isolable nickel(I) precursor complexes for small molecule activation, Acc. Chem. Res. 2012, 45, 276–287
  S. Yao, M. Driess
  (See online at https://doi.org/10.1021/ar200156r)
• Mesoporous Nitrogen-Doped Carbon for the Electrocatalytic Synthesis of Hydrogen Peroxide, J. Am. Chem. Soc. 2012, 134, 4072–4075
  T. P. Fellinger, F. Hasché, P. Strasser, M. Antonietti
  (See online at https://doi.org/10.1021/ja300038p)
• Polymeric Graphitic Carbon Nitride for Hetero-geneous Photocatalysis ACS Catal. 2012, 2, 1596–1606
  X. Wang, S. Blechert, M. Antonietti
  (See online at https://dx.doi.org/10.1021/cs300240x)
• Room temperature fentosecond X-ray diffraction of photosystem II microcrystals, Proc. Natl. Acad. Sci. U.S.A 2012, 109, 9721–9726
  J. Kern, J. Hellmich, C. Glöckner, D. DiFiore, A. Zouni, V. Yachandra
  (See online at https://doi.org/10.1073/pnas.1204598109)
• Size-Dependent Morphology of Dealloyed Bimetallic Catalysts: Linking the Nano to the Macro Scale, J. Am. Chem. Soc. 2012, 134, 514–524
  M. Oezaslan, M. Heggen, P. Strasser
  (See online at https://doi.org/10.1021/ja2088162)
• A High-Valent Heterobimetallic [CuIII(μ-O)2NiIII]2+ Core with Nucleophilic Oxo Groups, Angew. Chem. Int. Ed. 2013, 52, 5622
  S. Kundu, F. F. Pfaff, E. Miceli, I. Zaharieva, C. Herwig, S. Yao, E. R. Farquhar, U. Kuhlmann, E. Bill, P. Hildebrandt, H. Dau, M. Driess, C. Limberg, K. Ray
  (See online at https://doi.org/10.1002/anie.201300861)
• Access to a CuII-O-CuII Motif: Spectroscopic Properties, Solution Structure, and Reactivity, J. Am. Chem. Soc. 2013, 135, 16148-16160
  P. Haack, A. Kärgel, C. Greco, J. Dokic, B. Braun, F. F. Pfaff, S. Mebs, K. Ray, C. Limberg
  (See online at https://doi.org/10.1021/ja406721a)
• Active Mixed-Valent MnO Water Oxidation Catalysts through Partial Oxidation (Corrosion) of Nanostructured MnO Particles, Angew. Chem. Int. Ed. 2013, 52, 13206–13210
  A. Indra, P. W. Menezes, I. Zaharieva, E. Baktash, J. Pfrommer, M. Schwarze, H. Dau, M. Driess
  (See online at https://doi.org/10.1002/anie.201307543)
• Adsorption, Activation, and Dissociation of Oxygen on Doped Oxides, Angew. Chem. Int. Ed. 2013, 52, 11385–11387
  Y. Cui, X. Shao, M. Baldofski, J. Sauer, N. Nilius, H. J. Freund
  (See online at https://doi.org/10.1002/anie.201305119)
• Electro- and Photochemical Water Oxidation on Ligand-free Co3O4 Nanoparticles with Tunable Sizes, ACS Catal. 2013, 3, 383-388
  M. Grzelczak, J. S. Zhang, J. Pfrommer, J. Hartmann, M. Driess, M. Antonietti, X. C. Wang
  (See online at https://doi.org/10.1021/cs3007523)
• Redox-Dependent Structural Transformations of the [4Fe-3S] Proximal Cluster in O2-Tolerant Membrane-Bound [NiFe]-Hydrogenase: A DFT Study, J. Am. Chem. Soc. 2013, 135, 11809–11823
  V. Pelmenschikov, M. Kaupp
  (See online at https://doi.org/10.1021/ja402159u)
• Resonance Raman spectroscopy as a novel tool to monitor the active site of hydrogenases: new insights into structure and reactivity, Angew. Chem. Int. Ed. 2013, 52, 5162–5165
  E. Siebert, M. Horch, Y. Rippers, J. Fritsch, S. Frielingsdorf, O. Lenz, F. Velazquez Escobar, F. Siebert, L. Paasche, U. Kuhlmann, F. Lendzian, M. A. Mroginski, I. Zebger, P. Hildebrandt
  (See online at https://doi.org/10.1002/anie.201209732)
• Ribosomally synthesized and posttranslationally modified natural products: overview and recommendations for a universal nomenclature Nat. Prod. Rep. 2013, 30, 108–160
  Paul G. Arnison,…..E. Dittmann, … R. Süssmuth et al.
  (See online at https://dx.doi.org/10.1039/c2np20085f)
• Simultaneous Femtosecond X-ray Spectroscopy and Diffraction of Photosystem II at Room Temperature, Science 2013, 340, 491–495
  J. Kern, R. Alonso-Mori, R. Tran, J. Hattne, R. J. Gildea, N. Echols, C. Glockner, J. Hellmich, H. Laksmono, R. G. Sierra, B. Lassalle-Kaiser, S. Koroidov, A. Lampe, G. Han, S. Gul, D. DiFiore, D. Milathianaki, A. R. Fry, A. Zouni et al.
  (See online at https://doi.org/10.1126/science.1234273)
• Visualizing the substrate-, superoxo-, alkylperoxo-, and product-bound states at the nonheme Fe(II) site of homogentisate dioxygenase, Proc. Natl. Acad. Sci. USA 2013, 110, 12625–12630
  J. H. Jeoung, M. Bommer, T. Y. Lin, H. Dobbek
  (See online at https://doi.org/10.1073/pnas.1302144110)
• A Molecular Approach to Self-Supported Cobalt-Substituted ZnO Materials as Remarkably Stable Electrocatalysts for Water Oxidation, Angew. Chem. Int. Ed. 2014, 53, 5183–5187
  J. Pfrommer, M. Lublow, A. Azarpira, C. Göbel, M. Lücke, A. Steigert, M. Pogrzeba, P. W. Menezes, A. Fischer, T. Schedel-Niedrig, M. Driess
  (See online at https://doi.org/10.1002/anie.201400243)
• ATP-induced electron transfer by redox-selective partner recognition, Nat. Commun 2014, 5, Article No 4626
  S. E. Hennig, S. Goetzl, J. H. Jeoung, M. Bommer, F. Lendzian, P. Hildebrandt, H. Dobbek
  (See online at https://doi.org/10.1038/ncomms5626)
• Critical Literature Review of the Kinetics for the Oxidative Dehydrogenation of Propane over Well-Defined Supported Vanadium Oxide Catalysts, ACS Catal. 2014, 4, 3357−3380
  C. A. Carrero, R. Schlögl, I. E. Wachs, R. Schomäcker
  (See online at https://doi.org/10.1021/cs5003417)
• Engineering of a red-light-activated human cAMP/cGMP-specific phosphodiesterase P. Hegemann, S. Ryu, F. Wunder, A. Möglich , Proc. Natl. Acad. Sci. USA 2014, 111, 8803-8808
  C. Gasser, S. Taiber, C. M. Yeh, C. H. Wittig
  (See online at https://doi.org/10.1073/pnas.1321600111)
• Enhanced catalytic performance of MnxOy–Na2WO4/SiO2 for the oxidative coupling of methane using an ordered mesoporous silica support, Chem. Commun. 2014, 50, 14440-14442
  M. Yildiz, Y. Aksu, U. Simon, K. Kailasam, O. Goerke, F. Rosowski, R. Schomäcker, A. Thomas, S. Arndt
  (See online at https://doi.org/10.1039/c4cc06561a)
• Insight into the Mechanism of Carbonyl Hydrosilylation Catalyzed by Brookhart’s Cationic Iridium(III) Pincer Complex, J. Am. Chem. Soc. 2014, 136, 6912–6915
  T. T. Metsänen, P. Hrobárik, H. F. T. Klare, M. Kaupp, M. Oestreich
  (See online at https://doi.org/10.1021/ja503254f)
• Native-like Photosystem II Superstructure at 2.44 Å Resolution through Detergent Extraction from the Protein Crystal, Structure 2014, 22, 1607–1615
  J. Hellmich, M. Bommer, A. Burkhardt, M. Ibrahim, J. Kern, A. Meents, F. Müh, H. Dobbek, A. Zouni
  (See online at https://doi.org/10.1016/j.str.2014.09.007)
• Redox Non-Innocence of a N-Heterocyclic Nitrenium Cation Bound to a Nickel–Cyclam Core, J. Am. Chem. Soc. 2014, 136, 582–585
  F. Heims, F. F. Pfaff, S. L. Abram, E. R. Farquhar, M. Bruschi, C. Greco, K. Ray
  (See online at https://doi.org/10.1021/ja4099559)
• Resonance Raman Spectroscopy on [NiFe] Hydrogenase Provides Structural Insights into Catalytic Inter-mediates and Reactions, J. Am. Chem. Soc. 2014, 136, 9870−9873
  M. Horch, J. Schoknecht, M. A. Mroginski, O. Lenz, P. Hildebrandt, and I. Zebger
  (See online at https://doi.org/10.1021/ja505119q)
• Reversible [4Fe-3S] cluster morphing in an O2-tolerant [NiFe] hydrogenase, Nat. Chem. Biol. 2014, 10, 378–385
  S. Frielingsdorf, J. Fritsch, A. Schmidt, M. Hammer, J. Löwenstein, E. Siebert, V. Pelmenschikov, T. Jaenicke, J. Kalms, Y. Rippers, F. Lendzian, I. Zebger, C. Teutloff, M. Kaupp, R. Bittl, P. Hildebrandt, B. Friedrich, O. Lenz, P. Scheerer
  (See online at https://doi.org/10.1038/nchembio.1500)
• Sites for Methane Activation on Lithium-Doped Magnesium Oxide Surfaces, Angew. Chem. Int. Ed. 2014, 53, 8774–8778
  K. Kwapien, J. Paier, J. Sauer, M. Geske, U. Zavyalova, R. Horn, P. Schwach, A. Trunschke, R. Schlögl
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