[Ir(H){Ta(H)(Cp)}(Cp*)]₂

Formula Unicode styled: 
[Ir(H){Ta(H)(Cp)}(Cp*)]₂
Compound name(s): 
bis-[hydrido-{μ₂-(hydrido-η⁵-pentamethylcyclopentadienyl-tantalum)}₂-(η⁵-pentamethylcyclopentadienyl)-iridium] (Ir—Ir)
Central atom: 
Iridium
Charge on formula unit (QN): 
0
Attached groups: 
H (hydrido)
Ta group (X type)
Cp* (η⁵-pentamethylcyclopentadienyl)
Compound type: 
Oligomer
DOI link to literature report: 
10.1021/om300429u
Crystal data CSD link: 
ceqcae
Crystal data ICSD link: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Bond number (BN) = 𝘹 + 𝘭 + 𝘻: 
7
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2
Summary of calculated classifications: 
Ir«V5C7OOE18B7Z0X5L2»
Geometry: 
6-coordinate: ③-●-3 piano stool
𝘥-electron configuration = 𝘮 – VN: 
d4
𝘥-electron configuration = 𝘮 – ON: 
d9
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
d4
Attached atoms: 
C5H1Ir1Ta2
Phase: 
Solid
InChIKey (see www.inchi-trust.org): 
FAWYRNFPAVJPFN-UHFFFAOYSA-N
Formula Unicode generic: 
[Ir(H){Ta(H)(Cp)}(Cp*)]₂