HP=PH (diphosphene)

[Ta(H)(HP=PH)(Cp)₂]

Formula Unicode styled: 
[Ta(H)(HP=PH)(Cp)₂]
Compound name(s): 
hydrido-(diphosphene)-bis(η⁵-cyclopentadienyl)-tantalum
Central atom: 
Tantalum
Attached groups: 
H (hydrido)
HP=PH (diphosphene)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ta«V3C8OIIIE18B8Z0X3L5»
[MLXZ]𝘲 class: 
[MX3L5]
MLXZ class (ENC, equivalent neutral class): 
MX3L5

[Ta(H)(HP=PH)(Cp)₂]

Formula Unicode styled: 
[Ta(H)(HP=PH)(Cp)₂]
Compound name(s): 
Hydrido-(dihydrogenphosphanato)-bis(η-cyclopentadienyl)-tantalocene
Central atom: 
Tantalum
Attached groups: 
H (hydrido)
HP=PH (diphosphene)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ta«V3C8OIIIE18B8Z0X3L5»
[MLXZ]𝘲 class: 
[MX3L5]
MLXZ class (ENC, equivalent neutral class): 
MX3L5