P group (X type)

[P(CH₃)₃(AlCl₃)]

Formula Unicode styled: 
[P(CH₃)₃(AlCl₃)]
Compound name(s): 
trichloro-aluminium-trimethylphosphane
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)₂]₂

Formula Unicode styled: 
[P(CH₃)₂]₂
Compound name(s): 
Tetramethyldiphosphane
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)₂(S)]₂

Formula Unicode styled: 
[P(CH₃)₂(S)]₂
Compound name(s): 
Tetramethyl-diphosphine-disulfide
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)₂(Ph)(O)]

Formula Unicode styled: 
[P(CH₃)₂(Ph)(O)]
Compound name(s): 
dimethyl-phenyl-phosphine oxide
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)₂(OH)(S)]

Formula Unicode styled: 
[P(CH₃)₂(OH)(S)]
Compound name(s): 
Dimethylthiophosphinic acid
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)₂(OH)(O)]

Formula Unicode styled: 
[P(CH₃)₂(OH)(O)]
Compound name(s): 
Dimethylphosphinic acid
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)₂(N₃)(S)]

Formula Unicode styled: 
[P(CH₃)₂(N₃)(S)]
Compound name(s): 
Dimethyl-azide-thiophosphinic acid
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)(Tol-p)₂(S)]

Formula Unicode styled: 
[P(CH₃)(Tol-p)₂(S)]
Compound name(s): 
Methyldi(o-tolyl)phosphine sulfide
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)(Ph)₂(OCH₂Buᵗ)]⊕

Formula Unicode styled: 
[P(CH₃)(Ph)₂(OCH₂Buᵗ)]⊕
Compound name(s): 
Neopentyloxy-methyldiphenylphosphorus(1+)
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)(Ph){(CH₂)₄}]⊕

Formula Unicode styled: 
[P(CH₃)(Ph){(CH₂)₄}]⊕
Compound name(s): 
Methyl phenyl phospholanium(1+)
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)(Ph)(S)]₂

Formula Unicode styled: 
[P(CH₃)(Ph)(S)]₂
Compound name(s): 
1,2-Dimethyl-1,2-diphenyl-diphosphine disulfide
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CH₃)(Mes)(Ph)(S)]

Formula Unicode styled: 
[P(CH₃)(Mes)(Ph)(S)]
Compound name(s): 
Methyl(mesityl)phenylphosphine sulfide
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(H)(CH₃)₃]⊕

Formula Unicode styled: 
[P(H)(CH₃)₃]⊕
Compound name(s): 
Trimethylphosphorus(1+)
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(H)(CH₃){W(CO)₅}]₂

Formula Unicode styled: 
[P(H)(CH₃){W(CO)₅}]₂
Compound name(s): 
(μ₂-1,2-dimethyldiphosphane)-decacarbonyl-di-tungsten
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(H)(CH₃)(C₆H₂Buᵗ₃)]

Formula Unicode styled: 
[P(H)(CH₃)(C₆H₂Buᵗ₃)]
Compound name(s): 
Supermesityl-phenyl-phosphine
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(Bz)₂(CH₃)₂]⊕

Formula Unicode styled: 
[P(Bz)₂(CH₃)₂]⊕
Compound name(s): 
bis-benzyl-dimethylphosphorus(1+)
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(Buᵗ)(CH₃)(S)]₂

Formula Unicode styled: 
[P(Buᵗ)(CH₃)(S)]₂
Compound name(s): 
Dimethyl-di-t-butyl-diphosphane-disulfide
Central atom: 
Carbon
Attached groups: 
H (hydrido)
P group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(CN)₂(C₆H₂Buᵗ₃)]

Formula Unicode styled: 
[P(CN)₂(C₆H₂Buᵗ₃)]
Compound name(s): 
dicyano-Mes*-phosphine
Central atom: 
Carbon
Attached groups: 
P group (X type)
N (nitrido; ≡N)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(Cl)(CN)₂(Ph)]⊖

Formula Unicode styled: 
[P(Cl)(CN)₂(Ph)]⊖
Compound name(s): 
chloro-dicyano-phenyl-phosphorus(1-)
Central atom: 
Carbon
Attached groups: 
P group (X type)
N (nitrido; ≡N)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[P(C≡CPh)₃]

Formula Unicode styled: 
[P(C≡CPh)₃]
Compound name(s): 
tris-phenylethynylphosphine
Central atom: 
Carbon
Attached groups: 
≡CPh (phenylmethylidyne, benzylidyne)
P group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2O-IE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4