Selenium

[Se(Mes)]₂

Formula Unicode styled: 
[Se(Mes)]₂
Compound name(s): 
Dimesityl-diselenium
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«V2C2OIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(I)(Ph)(PPh₃)]

Formula Unicode styled: 
[Se(I)(Ph)(PPh₃)]
Compound name(s): 
Iodo-phenyl-triphenylphosphine-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«V2C3OOE10B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Se(I)₃]⊕

Formula Unicode styled: 
[Se(I)₃]⊕
Compound name(s): 
Triiodoselenium(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«V4C3O-IIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]+
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(I)₂(Me)]⊕

Formula Unicode styled: 
[Se(I)₂(Me)]⊕
Compound name(s): 
diiodo(methyl)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«V4C3OOE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]+
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Se(I)(PPrⁱ₃)]⊕

Formula Unicode styled: 
[Se(I)(PPrⁱ₃)]⊕
Compound name(s): 
(Tri-isopropylphosphine)-iodo-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«V2C2OOE8B2Z0X1L1»
[MLXZ]𝘲 class: 
[MX1L1]+
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(I)(Mes)]

Formula Unicode styled: 
[Se(I)(Mes)]
Compound name(s): 
Iodo-mesityl-selenenium
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«V2C2OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Furyl)]₂

Formula Unicode styled: 
[Se(Furyl)]₂
Compound name(s): 
Difuryl diselenium
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«V2C2OIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Dedtc)₂]

Formula Unicode styled: 
[Se(Dedtc)₂]
Compound name(s): 
bis(N,N-Diethyldithiocarbamato-S)-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(CSe)]

Formula Unicode styled: 
[Se(CSe)]
Compound name(s): 
Carbon diselenide
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«V2C1OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Cp*-κC)₂]

Formula Unicode styled: 
[Se(Cp*-κC)₂]
Compound name(s): 
bis(Pentamethylcyclopentadienyl)-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(Cp*-κC)(Fc)]

Formula Unicode styled: 
[Se(Cp*-κC)(Fc)]
Compound name(s): 
(Ferrocenyl)-(pentamethyl-cyclopentadien-1-yl)-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(COPh)]₂

Formula Unicode styled: 
[Se(COPh)]₂
Compound name(s): 
Dibenzoyl diselenium
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«V2C2OIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(CN)(Ph)]

Formula Unicode styled: 
[Se(CN)(Ph)]
Compound name(s): 
Cyano(phenyl)selenium, phenyl selenocyanate
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(CN)₂]

Formula Unicode styled: 
[Se(CN)₂]
Compound name(s): 
dicyano-selenium
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(CN)]₂

Formula Unicode styled: 
[Se(CN)]₂
Compound name(s): 
di(selenocyanate)
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«V2C2OIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(CN)(SeCN)₂]⊖

Formula Unicode styled: 
[Se(CN)(SeCN)₂]⊖
Compound name(s): 
tris(selenocyanate, Cyano-bis(selenocyanate)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«V2C3OOE10B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]-
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Se(CN)(Mes)]

Formula Unicode styled: 
[Se(CN)(Mes)]
Compound name(s): 
Cyano(mesityl)selenium, mesityl selenocyanate
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(CN)(C₆H₄NO₂)]

Formula Unicode styled: 
[Se(CN)(C₆H₄NO₂)]
Compound name(s): 
Cyano-(4-nitrobenzyl)-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(CHPh₂)]₂

Formula Unicode styled: 
[Se(CHPh₂)]₂
Compound name(s): 
bis(Diphenylmethyl) diselenium
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«V2C2OIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(CH₂COPh)₂]

Formula Unicode styled: 
[Se(CH₂COPh)₂]
Compound name(s): 
Diphenacyl-selenium
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