[C(PPh₃)₂]

Formula Unicode styled: 
[C(PPh₃)₂]
Compound name(s): 
bis(triphenylphosphoranylidene)methane, hexaphenylcarbodiphosphorane
Central atom: 
Charge on formula unit (QN): 
0
Attached groups: 
Compound type: 
Notes: 

The literature reference presents this structure as containing a P=C=P centre with the possibility of P d-orbital involvement. The P-C-P bond angles are significantly less that 180°. Bond is presented here as Ph₃P⟶C⟵PPh₃ or considered as Ph₃P⊕–C⊖⊖–P⊕Ph₃, a double ylid.

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: 
2
[MLXZ]𝘲 class: 
[ML2]
MLXZ class (ENC, equivalent neutral class): 
ML2
Summary of calculated classifications: 
C«V0C2OOE8B2Z0X0L2»
𝘥-electron configuration = 𝘮 – VN: 
𝘥-electron configuration = 𝘮 – ON: 
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
Attached atoms: 
P2
Phase: 
InChIKey (see www.inchi-trust.org): 
KGZNGAKXXXNCGK-UHFFFAOYSA-N
Formula Unicode generic: 
[C(PPh₃)₂]