Selenium

[Se(Ph)(SePh){Cr(CO)₅}]

Formula Unicode styled: 
[Se(Ph)(SePh){Cr(CO)₅}]
Compound name(s): 
Pentacarbonyl-chromium)-diphenyl-diselenium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(Ph)(SCN-κS)]

Formula Unicode styled: 
[Se(Ph)(SCN-κS)]
Compound name(s): 
Phenyl-thiocyanato-selenium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C2OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Ph)(PMePh₂)]⊕

Formula Unicode styled: 
[Se(Ph)(PMePh₂)]⊕
Compound name(s): 
(Phenyl)-methyldiphenylphosphine-selenium(1+)
Central atom: 
Charge on central atom: 
1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C2OIIE8B2Z0X1L1»
[MLXZ]𝘲 class: 
[MX1L1]+
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Ph)(PCy₃)]⊕

Formula Unicode styled: 
[Se(Ph)(PCy₃)]⊕
Compound name(s): 
(Phenyl)-tricyclohexylphosphine-selenium(1+)
Central atom: 
Charge on central atom: 
1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C2OIIE8B2Z0X1L1»
[MLXZ]𝘲 class: 
[MX1L1]+
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Ph)(OH)]

Formula Unicode styled: 
[Se(Ph)(OH)]
Compound name(s): 
benzeneselenol
Central atom: 
Attached groups: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C2OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Ph)(O)₃]⊖

Formula Unicode styled: 
[Se(Ph)(O)₃]⊖
Compound name(s): 
Phenyl-trioxo-selenium(1-)
Central atom: 
Attached groups: 
Charge on central atom: 
2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V6C4OVIE8B4Z0L0X4»2⊕
[MLXZ]𝘲 class: 
[MX4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Se(Ph)(O)₂(NMe₂)]

Formula Unicode styled: 
[Se(Ph)(O)₂(NMe₂)]
Compound name(s): 
Phenyl-dimethylamino-dioxo-selenium
Central atom: 
Charge on central atom: 
2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V6C4OVIE8B4Z0L0X4»2⊕
[MLXZ]𝘲 class: 
[MX4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Se(H)⊖]

Formula Unicode styled: 
[Se(H)(⊖)]
Compound name(s): 
hydro-selenium(1-)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C1O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Ph)(O)₂(NHMe)]

Formula Unicode styled: 
[Se(Ph)(O)₂(NHMe)]
Compound name(s): 
Phenyl-methylamino-dioxo-selenium
Central atom: 
Charge on central atom: 
2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V6C4OVIE8B4Z0L0X4»2⊕
[MLXZ]𝘲 class: 
[MX4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Se(Ph)(O)₂(NH₂)]

Formula Unicode styled: 
[Se(Ph)(O)₂(NH₂)]
Compound name(s): 
Phenyl-amino-dioxo-selenium
Central atom: 
Charge on central atom: 
2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V6C4OVIE8B4Z0L0X4»2⊕
[MLXZ]𝘲 class: 
[MX4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Se(N)]₄

Formula Unicode styled: 
[Se(N)]₄
Compound name(s): 
Tetra-[nitrido-selenium], selenium nitride
Central atom: 
Attached groups: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIIIE10B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Se(Me)(Ph)₂]⊕

Formula Unicode styled: 
[Se(Me)(Ph)₂]⊕
Compound name(s): 
methyl(diphenyl)selenium(1+)
Central atom: 
Attached groups: 
Charge on central atom: 
1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIVE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]+
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(Me)(Ph)(O)₂]

Formula Unicode styled: 
[Se(Me)(Ph)(O)₂]
Compound name(s): 
Methyl-phenyl-dioxo-selenium
Central atom: 
Charge on central atom: 
2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V6C4OVIE8B4Z0L0X4»2⊕
[MLXZ]𝘲 class: 
[MX4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Se(Me)₃]⊕

Formula Unicode styled: 
[Se(Me)₃]⊕
Compound name(s): 
Trimethylselenium(1+)
Central atom: 
Attached groups: 
Charge on central atom: 
1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIVE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]+
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(Me)₂(TaCl₅)]

Formula Unicode styled: 
[Se(Me)₂(TaCl₅)]
Compound name(s): 
Dimethyl-pentachlorotantalum-selenium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(Me)₂(SMe)]⊕

Formula Unicode styled: 
[Se(Me)₂(SMe)]⊕
Compound name(s): 
Trimethyldiselenium(1+)
Central atom: 
Attached groups: 
Charge on central atom: 
1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIVE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]+
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(Me)₂(O)₂]

Formula Unicode styled: 
[Se(Me)₂(O)₂]
Compound name(s): 
dimethyl-dioxo-selenium
Central atom: 
Attached groups: 
Charge on central atom: 
2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V6C4OVIE8B4Z0L0X4»2⊕
[MLXZ]𝘲 class: 
[MX4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Se(Me)₂(O)]

Formula Unicode styled: 
[Se(Me)₂(O)]
Compound name(s): 
Dimethyl-oxo-selenium
Central atom: 
Attached groups: 
Charge on central atom: 
1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIVE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]+
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(Me)₂(NbCl₅)]

Formula Unicode styled: 
[Se(Me)₂(NbCl₅)]
Compound name(s): 
Dimethyl-pentachloroniobium-selenium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(Me)₂(InBr₃)]

Formula Unicode styled: 
[Se(Me)₂(InBr₃)]
Compound name(s): 
Dimethyl-tribromoindium-selenium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C3OIIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1