[Cr(μ₂-C₈Me₆)]₂

Formula Unicode styled: 
[Cr(μ₂-C₈Me₆)]₂
Compound name(s): 
bis-[(μ₂-η⁵,η⁵-1,2,3,4,5,6-Hexamethylpentalene)-chromium(Cr=Cr)]
Central atom: 
Chromium
Charge on formula unit (QN): 
0
Attached groups: 
C₈Me₆ (μ₂-hexamethylpentalene)
Compound type: 
Oligomer
DOI link to literature report: 
10.1021/ja8057138
Crystal data CSD link: 
sonnit
Crystal data ICSD link: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Bond number (BN) = 𝘹 + 𝘭 + 𝘻: 
8
[MLXZ]𝘲 class: 
[MX4L4]
MLXZ class (ENC, equivalent neutral class): 
MX4L4
Summary of calculated classifications: 
Cr«V4C7OIIE18B8Z0X4L4»
Geometry: 
7-coordinate: ③₂-●-1 bent metallocene
𝘥-electron configuration = 𝘮 – VN: 
d2
𝘥-electron configuration = 𝘮 – ON: 
d4
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
d2
Attached atoms: 
C10Cr1
Phase: 
Solid
InChIKey (see www.inchi-trust.org): 
SUQKWIYRFCRBEE-UHFFFAOYSA-N