Search Results - "Chakrahari, Kiran Kumarvarma"

[Cu13{S2CNnBu2}6(acetylide)4]+: A Two-Electron Superatom by Chakrahari, Kiran Kumarvarma, Liao, Jian-Hong, Kahlal, Samia, Liu, Yu-Chiao, Chiang, Ming-Hsi, Saillard, Jean-Yves, Liu, C. W.

“…The first structurally characterized copper cluster with a Cu13 centered cuboctahedral arrangement, a model of the bulk copper fcc structure, was observed in…”
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Eight‐Electron Silver and Mixed Gold/Silver Nanoclusters Stabilized by Selenium Donor Ligands by Chang, Wan‐Ting, Lee, Po‐Yi, Liao, Jian‐Hong, Chakrahari, Kiran Kumarvarma, Kahlal, Samia, Liu, Yu‐Chiao, Chiang, Ming‐Hsi, Saillard, Jean‐Yves, Liu, C. W.

“…The first atomically and structurally precise silver‐nanoclusters stabilized by Se‐donor ligands, [Ag20{Se2P(OiPr)2}12] (3) and [Ag21{Se2P(OEt)2}12]+(4), were…”
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Copper Clusters Containing Hydrides in Trigonal Pyramidal Geometry by Brocha Silalahi, Rhone P, Huang, Guan-Rong, Liao, Jian-Hong, Chiu, Tzu-Hao, Chakrahari, Kiran Kumarvarma, Wang, Xiaoping, Cartron, Julien, Kahlal, Samia, Saillard, Jean-Yves, Liu, C. W

“…Structurally precise copper hydrides [Cu11H2{S2P­(O i Pr)2}6(CCR)3], R = Ph (1), C6H4F (2), and C6H4OMe (3), were first synthesized from the polyhydrido…”
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Synthesis of Two‐Electron Bimetallic Cu–Ag and Cu–Au Clusters by using [Cu13(S2CNnBu2)6(C≡CPh)4]+ as a Template by Silalahi, Rhone P. Brocha, Chakrahari, Kiran Kumarvarma, Liao, Jian‐Hong, Kahlal, Samia, Liu, Yu‐Chiao, Chiang, Ming‐Hsi, Saillard, Jean‐Yves, Liu, C. W.

“…Atomically precise Cu‐rich bimetallic superatom clusters have been synthesized by adopting a galvanic exchange strategy. [Cu@Cu12(S2CNnBu2)6(C≡CPh)4][CuCl2]…”
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Structurally Precise Dichalcogenolate-Protected Copper and Silver Superatomic Nanoclusters and Their Alloys by Sharma, Sachil, Chakrahari, Kiran Kumarvarma, Saillard, Jean-Yves, Liu, C. W

“…Conspectus The chalcogenolato silver and copper superatoms are currently a topic of cutting edge research besides the extensively studied Au n (SR) m clusters…”
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Isolation and Structural Elucidation of 15‐Nuclear Copper Dihydride Clusters: An Intermediate in the Formation of a Two‐Electron Copper Superatom by Chakrahari, Kiran Kumarvarma, Liao, Jingping, Silalahi, Rhone P. Brocha, Chiu, Tzu‐Hao, Liao, Jian‐Hong, Wang, Xiaoping, Kahlal, Samia, Saillard, Jean‐Yves, Liu, C. W.

“…Highly reactive copper‐dihydride clusters, [Cu15(H)2(S2CNR2)6(C2Ph)6](PF6) {R = nBu (1H), nPr (2H), iBu (3H)}, are isolated during the reaction of…”
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Synthesis of Bimetallic Copper‐Rich Nanoclusters Encapsulating a Linear Palladium Dihydride Unit by Chakrahari, Kiran Kumarvarma, Silalahi, Rhone P. Brocha, Chiu, Tzu‐Hao, Wang, Xiaoping, Azrou, Nadia, Kahlal, Samia, Liu, Yu‐Chiao, Chiang, Ming‐Hsi, Saillard, Jean‐Yves, Liu, C. W.

“…The structurally precise Cu‐rich hydride nanoclusters [PdCu14H2(dtc/dtp)6(C≡CPh)6] (dtc: di‐butyldithiocarbamate (1); dtp: di‐isopropyl dithiophosphate (2))…”
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Isolation and Structural Elucidation of 15–Nuclear Copper Dihydride Clusters: An Intermediate in the Formation of a Two–Electron Copper Superatom by Chakrahari, Kiran Kumarvarma, Liao, Jingping, Silalahi, Rhone P. Brocha, Chiu, Tzu‐Hao, Liao, Jian‐Hong, Wang, Xiaoping, Kahlal, Samia, Saillard, Jean‐Yves, Liu, C. W.

“…Highly reactive copper-dihydride clusters, [Cu15(H)2(S2CNR2)6(C2Ph)6](PF6) {R = nBu (1H), nPr (2H), iBu (3H)}, are isolated during the reaction of…”
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Synthesis and structural characterization of inverse-coordination clusters from a two-electron superatomic copper nanocluster by Chakrahari, Kiran Kumarvarma, Silalahi, Rhone P Brocha, Liao, Jian-Hong, Kahlal, Samia, Liu, Yu-Chiao, Lee, Jyh-Fu, Chiang, Ming-Hsi, Saillard, Jean-Yves, Liu, C W

“…We have synthesized and structurally characterized a series of centred cuboctahedral copper clusters, namely [Cu {S CNR } {C[triple bond, length as m-dash]CR'}…”
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Hypoelectronic metallaboranes: Synthesis, structural characterization and electronic structures of metal-rich cobaltaboranes by Chakrahari, Kiran Kumarvarma, Sharmila, Dudekula, Barik, Subrat Kumar, Mondal, Bijan, Varghese, Babu, Ghosh, Sundargopal

“…Reaction of [Cp∗CoCl]2 (Cp∗ = η5-C5Me5) with [LiBH4·THF] in toluene at −70 °C, followed by thermolysis with 2-mercaptobenzothiazole (C7H5NS2) in boiling…”
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Hypoelectronic Dimetallaheteroboranes of Group 6 Transition Metals Containing Heavier Chalcogen Elements by Chakrahari, Kiran Kumarvarma, Thakur, Arunabha, Mondal, Bijan, Ramkumar, V, Ghosh, Sundargopal

“…We have synthesized and structurally characterized several dimetallaheteroborane clusters, namely, nido-[(Cp*Mo)2B4SH6], 1; nido-[(Cp*Mo)2B4SeH6], 2;…”
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New Heteronuclear Bridged Borylene Complexes That Were Derived from [{CpCoCl}2] and Mono-MetalCarbonyl Fragments by Sharmila, Dudekula, Yuvaraj, K., Barik, Subrat Kumar, Roy, Dipak Kumar, Chakrahari, Kiran Kumarvarma, Ramalakshmi, Rongala, Mondal, Bijan, Varghese, Babu, Ghosh, Sundargopal

“…The synthesis, structural characterization, and reactivity of new bridged borylene complexes are reported. The reaction of [{Cp*CoCl}2] with LiBH4⋅THF at −70…”
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Synthesis and structural characterization of inverse-coordination clusters from a two-electron superatomic copper nanoclusterElectronic supplementary information (ESI) available. CCDC 1501795, 1815418, 1815419, 1815421-1815424. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8sc01508b by Chakrahari, Kiran Kumarvarma, Silalahi, Rhone P. Brocha, Liao, Jian-Hong, Kahlal, Samia, Liu, Yu-Chiao, Lee, Jyh-Fu, Chiang, Ming-Hsi, Saillard, Jean-Yves, Liu, C. W

“…We have synthesized and structurally characterized a series of centred cuboctahedral copper clusters, namely [Cu 13 {S 2 CNR 2 } 6 {C&z.tbd;CR′} 4 ](PF 6 ),…”
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Synthesis and structural characterization of inverse-coordination clusters from a two-electron superatomic copper nanocluster† †Electronic supplementary information (ESI) available. CCDC 1501795, 1815418, 1815419, 1815421–1815424. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8sc01508b by Chakrahari, Kiran Kumarvarma, Silalahi, Rhone P. Brocha, Liao, Jian-Hong, Kahlal, Samia, Liu, Yu-Chiao, Lee, Jyh-Fu, Chiang, Ming-Hsi, Saillard, Jean-Yves, Liu, C. W.

“…Cuboctahedral copper clusters containing a twelve-coordinated main group element (Cl, Br, S) at the center have been synthesized and characterized. We have…”
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B–H bond iodination of polyhedral dimolybdaborane and dimolybdathiaborane clusters by Chakrahari, Kiran Kumarvarma, Thakur, Arunabha, Anju, V.P., Ghosh, Sundargopal

“…Reaction of [Cp∗MoCl4] (Cp∗ = η5-C5Me5) with excess of [LiBH4·thf] followed by pyrolysis with NaI yielded B–I inserted [(Cp∗Mo)2B5H9−nIn], 1–3 (1: n = 1; 2:…”
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Dimetallaheteroborane clusters containing group 16 elements: A combined experimental and theoretical study by CHAKRAHARI, KIRAN KUMARVARMA, RAMALAKSHMI, RONGALA, SHARMILA, DUDEKULA, GHOSH, SUNDARGOPAL

“…Recently we described the synthesis and structural characterization of various dimetallaherteroborane clusters, namely nido -[(Cp ∗ Mo) 2 B 4 ECl x H 6− x ], 1…”
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New Heteronuclear Bridged Borylene Complexes That Were Derived from [{CpCoCl}2] and Mono-MetalCarbonyl Fragments by Sharmila, Dudekula, Yuvaraj, K, Barik, Subrat Kumar, Roy, Dipak Kumar, Chakrahari, Kiran Kumarvarma, Ramalakshmi, Rongala, Mondal, Bijan, Varghese, Babu, Ghosh, Sundargopal

“…The synthesis, structural characterization, and reactivity of new bridged borylene complexes are reported. The reaction of [{Cp*CoCl}2] with LiBH4THF at -70°C,…”
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[Cu sub(13){S sub(2)CN super(n)Bu sub(2)} sub(6)(acetylide) sub(4)] super( +): A Two-Electron Superatom by Chakrahari, Kiran Kumarvarma, Liao, Jian-Hong, Kahlal, Samia, Liu, Yu-Chiao, Chiang, Ming-Hsi, Saillard, Jean-Yves, Liu, C W

“…The first structurally characterized copper cluster with a Cu sub(13) centered cuboctahedral arrangement, a model of the bulk copper fcc structure, was…”
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Synthesis of Bimetallic Copper‐Rich Nanoclusters Encapsulating a Linear Palladium Dihydride Unit by Chakrahari, Kiran Kumarvarma, Silalahi, Rhone P. Brocha, Chiu, Tzu‐Hao, Wang, Xiaoping, Azrou, Nadia, Kahlal, Samia, Liu, Yu‐Chiao, Chiang, Ming‐Hsi, Saillard, Jean‐Yves, Liu, C. W.

“…The structurally precise Cu‐rich hydride nanoclusters [PdCu14H2(dtc/dtp)6(C≡CPh)6] (dtc: di‐butyldithiocarbamate (1); dtp: di‐isopropyl dithiophosphate (2))…”
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Synthesis, Characterization and Electronic Structures of Rh and Co analogs of Decaborane-14 by Barik, Subrat Kumar, Roy, Dipak Kumar, Sharmila, Dudekula, Ramalakshmi, Rongala, Chakrahari, Kiran Kumarvarma, Mobin, Shaik M., Ghosh, Sundargopal

“…We report the synthesis, isolation and structural characterization of several crystalline, moderately air stable nido -metallaboranes which represent novel…”
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