[Ni(HC≡CH)(PPh₃)₂]

Formula Unicode styled: 
[Ni(HC≡CH)(PPh₃)₂]
Compound name(s): 
(η²-Ethyne)-bis(triphenylphosphine)-nickel
Central atom: 
Charge on formula unit (QN): 
0
Compound type: 
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: 
3
[MLXZ]𝘲 class: 
[ML3]
MLXZ class (ENC, equivalent neutral class): 
ML3
Summary of calculated classifications: 
Ni«V0C3OOE16B3Z0X0L3»
𝘥-electron configuration = 𝘮 – VN: 
d10
𝘥-electron configuration = 𝘮 – ON: 
d10
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
d10
Attached atoms: 
C2P2
Phase: 
InChIKey (see www.inchi-trust.org): 
ICGQRLKXSKTYDK-UHFFFAOYSA-N