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Caught in the Act of Substitution: Inter-adsorbate Effects on an Atomically Precise Fe/Co/Se Nanocluster
Kephart, J. A.; Zhou, D. Y.; Sandwisch, J.; Cajiao, N.; Krajewski, S. M.; Malinowski, P.; Chu, J.-H.; Neidig, M. L.; Kaminsky, W.; Velian. A. submitted
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Reaction Chemistry at Discrete Organometallic Fragments on Black Phosphorus
Walz Mitra, K. L.; Riehs, M.; Draguicevic, A.; Swann, W. A.; Li, C. W.; Velian, A. Angew. Chem. Int. Ed. 2023, asap Link: 10.1002/anie.202311575 |
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Laboratory X-ray Emission Spectrometer for Phosphorus Kα and Kβ Study of Air-Sensitive Samples
Abramson, J.; Holden, W.; Rivera-Maldonado, R.; Velian, A.; Cossairt, B.; Seidler, G. J. Anal. At. Spectrom., 2023, 38, 1125-1134 Link: 10.1039/D3JA00053B; Preprint: 10.26434/chemrxiv-2023-8tf0r |
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Probing Edge/Support Electronic Cooperativity in Single Edge Fe/Co6Se8 Clusters
Mitchell, B. S.; Chirila, A.; Anderton, K.; Kaminsky, W.; Velian, A. Inorg. Chem. 2023, 62, 10497–10503 Link: 10.1021/acs.inorgchem.3c01661; Preprint: 10.26434/chemrxiv-2022-4mtw9 |
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Metal-support Interactions Regulate Substrate Binding in Fe/Co/Se Cluster Catalysts
Mitchell, B. S.; Chirila, A.; Zhou, D. Y.; Kephart, J. A.; Velian, A. Inorg. Chem. 2023, 62, 8789–8793 Link: 10.1021/acs.inorgchem.3c01601; Preprint: 10.26434/chemrxiv-2022-f19xz Synopsis: This study provides atomistic insights into how distal changes (e.g., the number of neighboring active sites) regulate the affinity for substrates and tune the catalytic activity toward azide activation and carbodiimide formation at Fe/Co/Se clusters. |
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Metal-support Interactions in Molecular Single-Site Cluster Catalysts
Mitchell, B. S.; Chirila, A.; Kephart, J. A.; Boggiano, A. C.; Krajewski, S. M.; Rogers, D.; Kaminsky, W.; Velian, A. J. Am. Chem. Soc. 2022, 144, 40, 18459–18469 Link: doi.org/10.1021/jacs.2c07033 Preprint: 10.26434/chemrxiv-2022-p3nsg |
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Informed Chemical Classification of Organophosphorus Compounds via Unsupervised Machine Learning of X‐ray Absorption Spectroscopy and X‐ray Emission Spectroscopy
Tetef, S.; Kashyap, V. ; Holden, W. M.; Velian, A.; Govind, N; Seidler, G. T. Preprint: 10.26434/chemrxiv-2022-tlmm4 J. Chem. Phys. A. 2022, 126, 29, 4862–4872. |
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Multi-active Site Dynamics on a Molecular Cr/Co/Se Cluster Catalyst
Kephart, J. A.; Mitchell, B. S.; Kaminsky, W.; Velian, A. Preprint: 10.26434/chemrxiv-2022-zkfsp J. Am. Chem. Soc. 2022, 144, 21, 9206–9211. |
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Redox-Switchable Allosteric Effects in Molecular Clusters
Mitchell, B. S.; Krajewski, S. M.; Kephart, J. A.; Rogers, D.; Kaminsky, W.; Velian, A. JACS Au 2022, 2, 1, 92–96 Link: 10.1021/jacsau.1c00491 This article is open access. |
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Hydroalkylation of Alkynes: Functionalization of the Alkenyl Copper Intermediate through Single Electron Transfer Chemistry Hazra, A.; Kephart, J. A.; Velian, A.; Lalic, G. J. Am. Chem. Soc. 2021, 143, 21, 7903–7908 Link: 10.1021/jacs.1c03396 |
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Tuning the Electronic Structure of Atomically Precise Sn/Co/Se Nanoclusters via Redox Matching of Tin(IV) Surface Sites Mitchell, B. S.; Kaminsky, W.; Velian, A. Inorg. Chem. 2021, 60, 9, 6135–6139 Link: 10.1021/acs.inorgchem.1c00313 Selected as Feature Article and ACS Editors’ Choice. |
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Surface Modification of Black Phosphorus with Group 13 Lewis Acids for Ambient Protection and Electronic Tuning Tofan, D.; Sakazaki, Y.; Walz Mitra, K. L.; Peng, R.; Lee, S.; Li, M.; Velian, A. Angew. Chem. Int. Ed. 2021, 60, 8329–8336. Link: 10.1002/anie.202100308 Selected as “Hot” Paper. |
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Surface Functionalization of Black Phosphorus with Nitrenes: Identification of P=N Bonds Using Isotopic Labeling
Walz Mitra, K.; Chang, C. H.; Hanrahan, M. P.; Yang, J.; Tofan, D.; Holden, W. M.; Govind, N.; Seidler, G.; Rossini, A. J.; Velian, A. Angew. Chem. Int. Ed., 2021, 60, 9127–9134. Link: 10.1002/anie.202016033. |
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Interstellar Chemistry in a Glovebox: Elusive Diatomic P≡N, Exposed
Tofan, D.; Velian, A. ACS Central Sci., 2020, 6, 1485-1487. Link: 10.1021/acscentsci.0c01148. Invited “First Reactions” commentary on a recent report of the first PN coordination complex. A reflection on the importance and gaps in studying reactive P small molecules in the (synthetic) chemistry lab. |
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Inorganic Clusters as Metalloligands: Ligand Effects on the Synthesis and Properties of Ternary Nanopropeller Clusters
Kephart, J. A.; Boggiano, A. C.; Kaminsky, W.; Velian, A. Dalton Trans., 2020, 49, 16464-16473. Link: 10.1039/d0dt02416c. Part of Special Issue “New Talents: Americas”. Key finding: Steric bulk modulates the synthesis and push-pull dynamic between support/edge sites and substrates in designer ternary clusters. Fun facts: this paper contains the very first syntheses carried out in our group, some by our very own first “wondergrad” Andrew Boggiano. |
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Hierarchical Nanosheets Built from Superatomic Clusters: Properties, Exfoliation and Single-Crystal-to-Single-Crystal Intercalation
Kephart, J. A.; Romero, C. G.; Romero, C. G.; Tseng, C.-C.; Anderton, K. J.; Yankowitz, M.; Kaminsky, W.; Velian, A. Chem. Sci., 2020, 11, 10744-10751. Link: 10.1039/D0SC03506H. |
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Atomically Defined Nano-Propeller Fe3Co6Se8(Ph2PNTol)6: Functional Model for the Electronic Metal-Support Interaction Effect, and High Catalytic Activity for Carbodiimide FormationKephart, J. A.; Mitchell, B.S.; Chirila, A; Anderton, K.J.; Rogers, D.; Kaminsky, W.; Velian, A. J. Am. Chem. Soc., 2019, 141, 19605–19610. Link: 10.1021/jacs.9b12473. Selected for JACS Young Investigators 2020 |
Selected Publications from Postdoctoral, Doctoral & Undergraduate Research
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Mechanism and Scope of Phosphinidene Transfer from Dibenzo-7-phosphanorborna-diene Compounds
Transue, W. J.* ; Velian, A.* ; Nava, M.; García-Iriepa, C.; Temprado, M. and Cummins, C. C. (* co-first authors) J. Am. Chem. Soc., 2017 , 139 (31), pp 10822–10831. link
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Building Diatomic and Triatomic Superatom Molecules
Champsaur, A. M.; Velian, A.; Paley, D. W.; Choi, B.; Roy, X.; Steigerwald, M. L.; Nuckolls, C. Nano Lett., 2016 , 16 , 5273–5277. link Selected as ”Top 10 Ideas That Will Change the World” by Scientific American;. see report . Highlighted by PhysOrg and Chemistry World. |
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Molecular Precursor to Phosphaethyne and Its Application in Synthesis of the Aromatic 1,2,3,4- Phosphatriazolate Anion
Transue, W. J.; Velian, A.; Nava, M.; Martin-Drumel, M.-A.; Womack, C. C.; Jiang, J.; Hou, G.-L.; Wang, X.- B.; McCarthy, M. C.; Field, R. W.; Cummins, C. C. J. Am. Chem. Soc., 2016, 138 , pp 6731–6734. link |
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Assembly and Stabilization of E(cyclo-P3)2 (E = Sn, Pb) as a Bridging Ligand Spanning Two Triaryloxyniobium Units
Velian, A.; Cossairt, B. M.; Cummins, C. C. Dalton Trans., 2016, 45 , pp 1783–2320. link Front cover of special issue “Phosphorus Chemistry: Discoveries and Advances” link . |
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Synthesis, Characterization, and Thermolysis of Dibenzo-7-dimethylgermanorbornadiene Velian, A.; Transue, W. J.; Cummins, C. C.
Organometallics, 2015, 34, pp 4644–4646. link This article is part of a special issue dedicated to the memory of Gregory Hillhouse. |
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Synthesis and Characterization of P2N3−: An Aromatic Ion Composed of Phosphorus and Nitrogen
Velian, A.; Cummins, C. C. Science, 2015, 348, pp 1001-1004. link Featured in the C&EN News “Pnictogen-Ring-Boasts-Aromaticity” link. Highlighted in PhysOrg; SynFacts; and Angewandte Chemie. |
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A Retro Diels-Alder Route to Diphosphorus Chemistry: Molecular Precursor Synthesis, Kinetics of P2 Transfer to 1,3-Dienes, and Detection of P2 by Molecular Beam Mass Spectrometry
Velian, A.; Nava, M.; Temprado, M.; Zhou, Y.; Field, R. W.; Cummins, C. C. J. Am. Chem. Soc., 2014, 136 , pp 13586–13589. link Selected SynFact of the Month. link . |
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The Stannylphosphide Anion Reagent Sodium bis(Triphenylstannyl) Phosphide: Synthesis, Structural Characterization, and Reactions with Indium and Tin Electrophiles
Cummins, C. C.; Huang, C.; Miller, T.; Reintinger, M.; Tannou, I.; Tofan, D.; Toubaei, A.; Stauber, J.; Velian, A.; Wu, G. Inorg. Chem. 2014, 53, 3678–3687. link |
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Facile Synthesis of Dibenzo-7λ3-phosphanorbornadiene Derivatives Using Magnesium Anthracene
Velian, A.; Cummins, C. C. J. Am. Chem. Soc., 2012, 134 (34), pp 13978–13981. link Featured in the Chem. Eng. News Science Concentrate “New Phosphinidene Transfer Reagents” link . |
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Synthesis of a Diniobium Tetraphosphorus Complex by a 2(3−1) Process
Velian, A.; Cummins, C. C. Chem. Sci., 2012, 3, pp 1003-1006. link |
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Synthesis and C−C Coupling Reactivity of a Dinuclear NiI−NiI Complex Supported by a Terphenyl Diphosphine
Velian, A.; Lin, S.; Miller, A. J. M.; Day, M. W.; Agapie, T. J. Am. Chem. Soc., 2010, 132 (38), pp 6296–6297. link |
Other Publications Before UW (Postdoctoral, Doctoral & Undergraduate)
“Conformations of Cyclopentasilane Stereoisomers Control Molecular Junction Conductance”
Li, H.; Garner, M. H.; Shangguan, Z.; Zheng, Q.; Su, T. A.; Neupane, M.; Li, P.; Velian, A.; Steigerwald, M. L.; Xiao, S.; Nuckolls, C.; Solomon, G. C.; Venkataraman, L. Chem. Sci. 2016, 7, 5657–5662.
“Role of Axial Base Coordination in Isonitrile Binding and Chalcogen Atom Transfer to Vanadium(III) Complexes”
Majumdar, S.; Stauber, J. M.; Palluccio, T. D.; Cai, X.; Velian, A.; Rybak-Akimova, E. V.; Temprado, M.; Captain, B.; Cummins, C. C.; Hoff, C. D. Inorg. Chem. 2014, 53 (20), pp 11185–11196.
“Arene Non-Innocence in Dinuclear Complexes of Fe, Co, and Ni Supported by a para-Terphenyl Diphosphine”
Horak, K. T.; Velian, A.; Michael W. Day,; Agapie, T. Chem. Commun. 2014, 50, 4427–4429.
“Dipalladium(I) Terphenyl Diphosphine Complexes as Models for Two-Site Adsorption and Activation of Organic Molecules”
Lin, S.; Herbert, D. E.; Velian, A.; Day, M. W.; Agapie, T. J. Am. Chem. Soc. 2013, 135, 15830–15840.
“Thermodynamic and Kinetic Study of Cleavage of the N–O Bond of N-Oxides by a Vanadium(III) Complex: Enhanced Oxygen Atom Transfer Reaction Rates for Adducts of Nitrous Oxide and Mesityl Nitrile Oxide”
Palluccio, T. D.; Rybak-Akimova, E. V.; Majumdar, S.; Cai, X.; Chui, M.; Temprado, M.; Silvia, J. S.; Cozzolino, A. F.; Tofan, D.; Velian, A.; Cummins, C. C.; Captain, B.; Hoff, C. D. J. Am. Chem. Soc. 2013, 135, 11357–11372.