Formula Unicode styled:
[Pb{Cr(CO)₅}₃]²⁻
Compound name(s):
tris(pentacarbonyl-chromium)-lead(2-)
Central atom:
Charge on formula unit (QN):
2–
Attached groups:
Compound type:
Notes:
The anion [{(CO)₅Cr}₃Pb]²⊖ (trigonal‐planar coordination at the central metal Pb) with short Pb−Cr bonds is said to be an organometallic equivalent of [CO₃]²⊖. The conjugated Pb‐pπ–Cr‐dπ bonding corresponds to the conjugated pπ–pπ bonding system of the carbonate ion.
DOI link to literature report:
Crystal data CSD link:
Crystal data ICSD link:
Valence Number (VN) = 𝘹 + 2𝘻 :
Coordination Number (CN, sum of attached group denticities):
Oxidation Number (ON) (Roman numerals):
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:
Bond number (BN) = 𝘹 + 𝘭 + 𝘻:
4
[MLXZ]𝘲 class:
[MX4]
MLXZ class (ENC, equivalent neutral class):
MX4
Summary of calculated classifications:
Pb«V4C3O-IVE8B4Z0L0X4»
𝘥-electron configuration = 𝘮 – VN:
𝘥-electron configuration = 𝘮 – ON:
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲:
Attached atoms:
Cr3
Phase:
InChIKey (see www.inchi-trust.org):
KOMUSUWGVTVLGJ-UHFFFAOYSA-N
Formula Unicode generic:
[Pb{Cr(CO)₅}₃]²⁻