U. Riaz, O. Curnow, and M. Curtis, Desulfurization of Organic Sulfur Compounds Mediated by a Molybdenum /Cobalt / Sulfur Cluster, J. Am. Chem. Soc, vol.116, p.4357, 1994.

B. Case, E. Morningstar, J. Dzeda, M. Mauterer, and L. , Isolation of a New Vanadium-Containing Nitrogenase from Azotobacter vinelandii Biochemistry, vol.25, p.7251, 1986.

K. Herbst, M. Monari, and M. Brorson, Molecular Metal Sulfide Cluster Model for Substrate Binding to Oil-Refinery Hydrodesulfurization Catalysts Inorg, Chem, vol.41, p.1336, 2002.

E. Abel, F. Stone, and G. Wilkinson, Comprehensive Organometallic Chemistry II, p.2007, 1995.

, Comprehensive Organometallic Chemistry III

L. Perla, L. Sevov-s-c-;-b)-perla, J. Sevov-s-c-;-c)-goicoechea, S. Sevov-s-c-;-d)-sahoo, R. Dhayal et al., Deltahedral Germanium Clusters: Insertion of Transition-Metal Atoms and Addition of Organometallic Fragments, Unusual Open Eight-Vertex Oxamolybdaboranes: Structural Characterizations of (? 5 -C5Me5Mo)2B5(?-OEt)H6R (R = H and n-BuO, vol.54, p.1586, 2006.

D. Stevenson, K. Dahl-l-f-;-b)-tatsumi, Y. Inoue, H. Kawaguchi, M. Kohsaka et al., Organometallic Sulfur Complexes. VIII. The Molecular Structure of a Doubly Sulfur-Bridged Dimeric Complex of Molybdenum(V), [C5H5MoO]2S2, Containing a molybdenum-molybdenum, Structural Diversity of Sulfide Complexes Containing Half-Sandwich Cp*Ta and Cp*Nb Fragments Organometallics, vol.89, p.352, 1967.

R. Weberg, R. Haltiwanger, D. Rakowski, R. Adams, I. Horvath et al., Cluster Synthesis. 6. The Unusual Structures, Bonding, and Reactivity of Some Sulfido-Bridged Tungsten-Osmium Carbonyl Cluster Compounds, Structure and Reactivity, vol.4, p.6296, 1984.

C. Simonnet-jégat and F. Sécheresse, Binary Vanadium Chalcogenide Complexes Chem. Rev, vol.101, p.2601, 2001.

C. Bolinger, C. Rauchfuss-t-b-;-b)-bolinger, T. Rauchfuss, and A. Rheingold, Synthesis and Structures of (i-PrC5H4)2V2S4 and (C5H5)2V2S2(S2C2(CF3)2): The Influence of ?-Bonding on the Geometry of the µ-S2 Ligand, J. Am. Chem. Soc, vol.1, p.6321, 1982.

R. Adams and W. S. , Two-Site Reactivity in a Ligand-Bridged Cluster. The Reaction of Os4(CO)12(?3-S) with, Terminal Acetylenes Organometallics, vol.4, 1902.

C. , P. , R. Rauchfuss, and T. , Heterolytic and Homolytic Activation of Dihydrogen at an Unusual Iridium (II) Sulfide, J. Am. Chem. Soc, vol.123, p.8856, 2001.

Y. Ohki, N. Matsuura, T. Marumoto, H. Kawaguchi, and K. Tatsumi, Heterolytic Cleavage of Dihydrogen Promoted by Sulfido-Bridged Tungsten-Ruthenium Dinuclear Complexes, J. Am. Chem. Soc, vol.125, p.7978, 2003.

R. Adams and K. , Syntheses and Reactivity of the Diselenido Molybdenum?Manganese Complex CpMoMn(CO)5(µ-Se2, Inorg. Chem, vol.42, p.6175, 2003.

R. Adams, B. Captain, O. Kwon, and S. Miao, New Disulfido Molybdenum?Manganese Complexes Exhibit Facile Addition of Small Molecules to the Sulfur Atoms Inorg, Chem, vol.42, p.3356, 2003.

R. Dubois, B. Jagirdar, B. Noll, and S. Dietz, Syntheses, Structures, and Reactions of Cyclopentadienyl Metal Complexes with Bridging Sulfur Ligands, 1996.

E. Stiefel and K. Mazumoto, ACS Symposium. Series, p.653

D. C. Washington, , p.269

A. Appel, D. Dubois, M. Dubois, A. Appel, S. Lee et al., Molybdenum-Sulfur Dimers as Electrocatalysts for the Production of Hydrogen at Low Overpotentials, Complexes J. Am. Chem. Soc, vol.127, p.5224, 2005.

M. Dubois, M. Vanderveer, D. Dubois, R. Haltiwanger, and W. Miller, Characterization of Reactions of Hydrogen with Coordinated Sulfido Ligands, J. Am. Chem. Soc, vol.102, p.7456, 1980.

N. Denisov, N. Shuvalova, A. Shilov, A. Pasynskij, B. Kolobkov et al., Reduction of molecular nitrogen in a protic medium with participation of Fe-S and Mo-Fe-S clusters, Kinet. Katal, vol.34, p.858, 1993.

R. Yu, V. Kalinnikov, and V. , Sovremennaya magnetokhimiya [Modern magnetochemistry] Nauka: St-Peterburg p 276, p.p, 1994.

W. Keim and Y. Zhu, Catalytic Desulfurization Reactions Using Triple Bond Dimolybdenum and Ditungsten Organometallic Complexes, J. Mol. Catal, vol.58, p.355, 1990.

H. Brunner, J. Wachter, H. Wintergerst, . Mo, M. Hong et al., Synthesis and Reactions of Group 6 Metal Half-Sandwich Complexes of 2,2-Dicyanoethylene-1,1-dichalcogenolates, Reaktivität der m-m-mehrfachbindung in metallcarbonyl-derivaten: V. Die reaktion von (?5-C5Me5)2M2(CO), vol.235, p.4824, 1982.

L. Song, Y. Shi, W. Zhu, Y. Mo-;-h)-shi, and L. Song, Syntheses and crystal structures of quadruply bridged Mo2Se4 complexes containing functionalized cyclopentadienyl ligands: trans/anti ? (? 5 -CH3O2CC5H4)2Mo2(µ-Se)2(µ-SeCH2Ph)(µ-SePh) and trans/syn-(? 5 -C2H5O2CC5H4)2Mo2(µ-Se)2(µ-SePh)2, W) isomers Polyhedron, vol.23, p.731, 1999.

M. Sokolov, R. Molina, M. Elsegood, S. Heath, W. Clegg et al., , 1997.

, Preparation, structure and reactivity of the di-?-disulfido Nb2 IV aqua ion

C. Bolinger, T. Rauchfuss, and S. Wilson, Synthesis of Organovanadium Sulfide Cluster Compounds via, 1982.

, Bis(methyicyclopentadienyl)divanadium Tetrasulfide, J. Am. Chem. Soc, vol.104, p.7313

C. Bolinger, T. Rauchfuss, S. Wilson-s-r-;-b)-bose, K. Geetharani, V. Ramkumar et al., ,4-triazoline-3,5-dione: A Prosthesis for the ?-? 1 -S2 Ligand in Organovanadium Sulfide Chemistry, J. Am. Chem. Soc, vol.106, p.7800, 2010.

S. Bose, K. Geetharani, S. Sahoo, and K. Reddy, Chemistry of Vanadaboranes: Synthesis, Structures, and Characterization of Organovanadium Sulfide Clusters with Disulfido Linkage Inorg, vol.49, p.2881

B. Varghese, E. Jemmis, and S. Ghosh, Characterization, and Electronic Structure of New Type of Heterometallic Boride Clusters, 2011.

S. Sahoo, M. S. Ghosh, S. Bose, S. Mobin, S. Ghosh et al., Direct Insertion of Sulphur, Selenium and Tellurium atoms into Metallaborane Cages using Chalcogen Powders, J. Organomet. Chem, vol.50, p.945, 2010.

, Metallaheteroborane Clusters of Group 5 Transition Metals Derived from, Dichalcogenide Ligands J. Organomet. Chem, vol.696, p.3121

I. Nowak and M. Ziolek, Niobium Compounds: Preparation, Characterization, and Application in Heterogeneous Catalysis, Chem. Rev, vol.99, p.3603, 1999.

A. Rogachev, A. Gushchin, P. Abramov, E. Kozlova, C. Vicent et al., Binuclear Sulfide Niobium Clusters Coordinated by Diimine Ligands: Synthesis, Structure, Photocatalytic Activity and Optical Limiting Properties, Eur. J. Inorg. Chem, p.2865, 2015.

S. Barik, C. Rao, K. Yuvaraj, R. Jagan, S. Kahlal et al., , 2015.

K. Chakrahari, A. Thakur, B. Mondal, R. V. Ghosh, S. Joseph et al., Combined Experimental and Theoretical Study Eur, Chemistry of Triple-Decker Sandwich Complexes Containing Four-Membered Open B2E2 Rings, vol.1, p.2045, 2013.

D. Roy, S. Bose, K. Geetharani, K. Chakrahari, S. Mobin et al., , 2012.

K. Geetharani, S. Bose, D. Basak, V. Suresh, P. Ghosh-s-;-c)-shankhari et al., A new entry into ferraborane chemistry: Synthesis and characterization of heteroferraborane complexes Inorg, Synthesis and Structural Characterization of New Divanada-and Diniobaboranes Containing Chalcogen Atoms Chem, vol.18, p.249, 2011.

K. Chakrahari, D. Sharmila, S. Barik, B. Mondal, B. Varghese et al., , 2014.

, Hypoelectronic Metallaboranes: Synthesis, Structural Characterization and Electronic Structures of Metal-Rich Cobaltaboranes, J. Organomet. Chem, vol.749, p.188

S. Kar, K. Saha, S. Saha, K. Bakthavachalam, V. Dorcet et al., Trimetallic Cubane-Type Clusters: Transition-Metal Variation as a Probe of the Roots of, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01862463

B. Joseph, K. Saha, R. Prakash, C. Nandi, T. Roisnel et al., Chalcogenolato-bridged dinuclear half sandwich complexes of ruthenium and iridium Inorg, Hypoelectronic Metallaheteroboranes Inorg. Chem, vol.57, p.106, 2018.

R. Saha, K. , P. A. Ghosh, and S. , Reactivity of [Cp*Mo(CO)3Me] with chalcogenated borohydrides Li, pp.5-5, 2016.

K. E-=-s-;-d)-chakrahari, R. Dhayal, and S. Ghosh, Se or Te; Fc = (C5H5-Fe-C5H4), J. Chem. Sci, vol.128, p.1025, 2011.

R. Anju, K. Saha, B. Mondal, V. Dorcet, T. Roisnel et al., Synthesis and characterization of binuclear ?-oxo and ?-telluro molybdenum(V) complexes, [Cp * Mo(O)(?-Te)]2 Polyhedron 30 1048, Chemistry of Diruthenium Analogue, 2014.

. Pentaborane, With Heterocumulenes: Toward Novel Trimetallic Cubane-Type Clusters Inorg, Chem, vol.53, issue.9, p.10527

B. Joseph, S. Gomosta, S. Barik, S. Sinha, T. Roisnel et al., Synthesis and characterization of diruthenaborane analogues of pentaborane(11) and hexaborane(10), J. Organomet. Chem, vol.21, p.29, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01809146

M. Chowdhury, S. Barik, K. Saha, B. Kirubakaran, A. Banerjee et al., Electron Precise Group 5 Dimetallaheteroboranes [{CpV(?-EPh)}2{?-? 2 :? 2 -BH3E}] and [{CpNb(?-EPh)}2{?-? 2 :? 2 -B2H4E}, Inorg. Chem, vol.57, p.985, 2018.

R. Heintz, B. Haggerty, H. Wan, A. Rheingold, and K. Theopold, {Cp*Cr(µ3-H)),]-a Paramagnetic Chromium Hydride with a Cubane Structure Angew, vol.31, p.1077, 1992.

M. Green, J. Hubert, and P. Mountford, Synthesis of the W?W triply bonded dimers, 1990.

X. Br, R = i Pr) and X-ray crystal structures of [W(?-C5H4 i Pr)Cl4] and [W2(?-C5H4 i Pr)2Cl4, J. Chem. Soc

R. Dhayal, S. Sahoo, V. Ramkumar, and S. Ghosh, Substitution at boron in molybdaborane frameworks: Synthesis and characterization of isomeric, 2009.

, 7, 8; m = 4, 2, 1 and X = Me: n = 6, 7; m = 3, 2), C5Me5Mo)2B5HnXm (when X = Cl: n = 5, vol.694, p.237

T. Okamoto, H. Yasuda, A. Nakamura, Y. Kai, N. Kanehisa et al., Synthesis and Catalysis of Novel Mono-and Bis(diene) Complexes of Niobium and X-ray Structures of Binuclear [Nb(µ-Cl)(C5H5)(s-cis-butadiene)]2 and Mononuclear Nb(C5H5)(s-cis-2,3-dimethylbutadiene)2, J. Am. Chem. Soc, vol.110, p.5008, 1988.

G. Ryschkewitsch and K. Nainan, B3H8] Salts Inorg. Synth, vol.15, issue.1, p.113, 1974.

S. Aldridge, T. Fehlner, R. Shang-m-;-b)-dhayal, S. Sahoo, K. Reddy et al., Directed Synthesis of Chromium and Molybdenum Metallaborane Clusters. Preparation and Characterization of (Cp*Cr)2B5H9, (Cp*Mo)2B5H9, and (Cp*MoCl)2B4H10, J. Am. Chem. Soc, vol.119, issue.2, p.900, 1997.

, Control of Reaction Pathway by Choice of, with BH3·thf or LiBH4 (Cp* = ? 5 -C5Me5)

, Monoboron Reagent and Oxidation State of Metal Center, Organometallics, vol.18, p.53

K. Geetharani, S. Bose, G. Pramanik, T. Saha, R. V. Ghosh et al., An Efficient Route to Group 6 and 8 Metallaborane Compounds: Synthesis of arachno-[Cp*Fe(CO)B3H8] and closo, Cp*M)2B5H9, p.1483, 2009.

R. Prakash, K. Bakthavachalam, B. Varghese, and S. Ghosh, Chlorination of the terminal hydrogen atoms in the hydrogen-rich group 5 dimetallaboranes (Cp*M)2(B2H6)2 (M = Nb, vol.846, p.372, 2017.

G. Sheldrick, Crystal structure refinement with SHELXL. Acta Cryst. C71, vol.3, 2015.

M. Frisch, G. Trucks, H. Schlegel, G. Scuseria, . Robbma et al.,

J. Dannenberg, S. Dapprich, A. Daniels, O. Farkas, J. Foresman et al., , 2010.

H. Schmider and A. Becke, Optimized density functionals from the extended G2 test set, J. Chem. Phys, vol.108, p.9624, 1998.

M. Dolg, H. Stoll, and H. Preuss, A combination of quasirelativistic pseudopotential and ligand field calculations for lanthanoid compounds, Theor. Chim. Acta, vol.85, p.441, 1993.

K. Wiberg, Application of the pople-santry-segal CNDO method to the cyclopropylcarbinyl and cyclobutyl cation and to bicyclobutane, Tetrahedron, vol.24, p.1083, 1968.

R. A. , W. F. Curtiss, and L. , 899; (b) Weinhold F and Landis R 2005 Valency and bonding: A natural bond orbital donor-acceptor perspective, Chem. Rev, vol.88, 1988.

U. K;-(c)-king and R. , 5151; (d) King R B 2000 Face-localized bonding models for borane cage ligands intransition metal coordination chemistry Inorg, Anomalous" Numbers of Skeletal Electrons Inorg. Chem, vol.38, p.537, 1999.

, Chemcraft -graphical software for visualization of quantum chemistry computations

H. Hashimoto, M. Shang, J. Fehlner-t-p-;-b)-ho, K. Deck, Y. Nishihara et al., High Yield Synthesis and Characterization of Chromaboranes. Comparison of the Geometric, Electronic, and Chemical Properties of an Electronically Unsaturated (? 5 -C5H5)2Cr2B4H8) Cluster with Its Saturated Derivative (? 5 -C5H5)2Cr2(CO)2B4H6, J. Am. Chem. Soc, vol.15, p.10292, 1963.

A. Kornienko, T. Emge, and J. Brennan, Chalcogen-Rich Lanthanide Clusters: Cluster Reactivity and the Influence of Ancillary Ligands on, Structure J. Am. Chem. Soc, vol.123, p.11933, 2001.

A. Pasynskii, F. Denisov, T. Yu, -. Semenova, N. Novotortsev et al., Antiferromagnetic complexes with metal-metal bonds Part XXIX. Synthesis and molecular structures of heterochalcogenide binuclear complex [?-(CH3C5H4)Cr(µ-SPh)]2Se and trinuclear mixed-metal cluster [?-(CH3C5H4)2Cr2(µ-SPh)](µ3-S)(µ3-Se)Co(CO), J. Organomet. Chem, vol.612, issue.9, 2000.

A. , E. , R. Yu, -. Novotortsev, V. Kalinnikov et al., Antiferromagnetic Complexes Involving Metal-Metal Bonds I Synthesis and Molecular Structure of An Antiferromagnetic Dimer with a Cr-Cr bond, J. Organomet. Chem, vol.165, p.57, 1979.

A. Mcphail and G. Sim, Metal-Carbonyl and Metal-Nitrosyl Complexes. Part VI. The Crystal and Molecular Structure of trans-Di-µ-phenylthio-dinitrosylbis-(?cyclopentadienyl)dichromium(I), J. Chem. Soc. A, 1858.

I. Eremenko, A. Pasynskii, V. Kalinnikov, S. Yu, -. et al., Nitrosylation of Dicyclopentadienyldi(µ-tert-butylthiolato)(µ-sulfido)-dichromium giving Tert-butylsulfanic Group, Molecular Structures of the Binuclear Complex Cp(NO)Cr(µ-SCMe3)(µ-S-SCMe3)Cr(NO)Cp and Monomer CpCr, 1981.

L. Y. Chim-;-b)-goh, M. Tay, T. Mak, and R. Wang, Thiolate-Bridged Dichromium Complexes. Syntheses and Crystal Structures of, Organometallics, vol.52, p.1711, 1992.

H. Rakoczy, M. Schollenberger, B. Nuber, and M. Ziegler, Ein vierfach chalkogenato-verbrückter Dimolybdän-Komplex mit ungewöhnlicher, Struktur J. Organomet. Chem, vol.2, p.217, 1994.

A. Pasynskii, A. Blokhin, T. Yu, -. , D. Zh et al., Synthesis and Molecular Structures of Tris(thio-and Selenophenyl)stannyl Complexes of Cyclopentadienylcarbonylnitrosylmanganese and Their Reaction Products with Tungsten Carbonyl, Russ J. Coord. Chem, vol.37, p.879, 2011.

V. Kolesnichenko, V. Rybakov, L. Aslanov, and S. Volkov, Structure and Reactivity of Binuclear Metal-Metal Bonded Molybdenum(V) and Tungsten(V) thioselenohalides: Molecular structure of Mo2(?-S2)2Cl6(SeCl2)2 and W2(?-S2)2Cl6(SeCl2)2, J. Clust. Sci, vol.8, p.27, 1997.

C. Young, T. Kocaba, X. Yan, E. Tiekink, L. Wei et al., Bridging Disulfldo Complexes of Molybdenum and Tungsten, 1994.

, Reductive Sulfurization of Oxo-Molybdenum(VI) Complexes and Reductive Desulfurization of Thio(disulfido)-Tungsten(VI) Complexes Inorg, Chem, vol.33, p.6252

M. Peldo, M. Shang, and F. T. , Synthesis and structure of, 2000.

, A dinuclear tungsten hydride with a double bond formed from the reaction of BH3THF with (? 5 -C5Me5)WCl4, J. Organomet. Chem, vol.609, issue.2, p.77

B. Mondal, R. Bag, K. Bakthavachalam, B. Varghese, and S. Ghosh, Structures, and Characterization of Dimeric Neutral Dithiolato-Bridged Tungsten Complexes, Eur. J. Inorg. Chem, vol.5434, 2017.

M. Gorzellik, H. Bock, L. Gang, B. Nuber, M. Ziegler et al., Darstellung und Charakterisierung von zweikernigen Oxo-Komplexen des Molybdän und Wolfram mit Chalkogenen, Te) als Brückenliganden J. Organomet. Chem, vol.412, p.95, 1991.

M. Sokolov, A. Virovets, V. Nadolinnyi, K. Hegetschweiler, V. Fedin et al., Nb2S4 4+ Complexes with 1,1-Dithioacid Ligands Inorg, vol.33, p.3503, 1994.

M. Sokolov, H. Imoto, T. Saito, and V. Fedorov, Substitution of bridging S2 ligands in the, J. Chem. Soc, p.85, 1999.

D. Nied and F. Breher, New perspectives for "non-classical" molecules: heavy [1.1.1]propellanes of group 14, Chem. Soc. Rev, vol.40, p.3455, 2011.

P. Abramov, M. Sokolov, A. Virovets, I. Mirzaeva, S. Kozlova et al., Reductive selenidation of, Synthesis, structure and bonding in new binuclear and trinuclear, vol.770, p.94, 2014.

L. Messerle, Metal-Metal Bonded Dinuclear and Organodimetallic Complexes of the Early Transition Metals (Groups, vol.4, 1988.