4-coordinate: tetrahedral (p-block element, 2 lone pairs)

[Te(SbEt₂)₂]

Formula Unicode styled: 
[Te(SbEt₂)₂]
Compound name(s): 
Tetraethyldistibatellurium
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: 
Te«V2C2O-IIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Te(PMes₂)₂]

Formula Unicode styled: 
[Te(PMes₂)₂]
Compound name(s): 
Tetramesityldiphosphatellurium
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: 
Te«V2C2OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Te(Furyl)]₂

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

[Te(C₆H₄NH₂)₂]

Formula Unicode styled: 
[Te(C₆H₄NH₂)₂]
Compound name(s): 
bis(4-Aminophenyl) tellurium
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: 
Te«V2C2OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Te(C₆H₄-C₆H₄)]

Formula Unicode styled: 
[Te(C₆H₄-C₆H₄)]
Compound name(s): 
Dibenzotellurophene
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: 
Te«V2C2OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Te(C₆H₂Buᵗ₃)₂]

Formula Unicode styled: 
[Te(C₆H₂Buᵗ₃)₂]
Compound name(s): 
bis(2,4,6-Tri-t-butylphenyl)-tellurium
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: 
Te«V2C2OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Te(C₆H₂Buᵗ₃)]₂

Formula Unicode styled: 
[Te(C₆H₂Buᵗ₃)]₂
Compound name(s): 
bis(2,4,6-Tri-t-butylphenyl)-di-tellurium
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: 
Te«V2C2OIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Te(C₆F₅)₂]

Formula Unicode styled: 
[Te(C₆F₅)₂]
Compound name(s): 
bis(2,3,4,5,6-Pentafluorophenyl)-tellurium
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: 
Te«V2C2OIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[As(PMe₃)₂]⊕

Formula Unicode styled: 
[As(PMe₃)₂]⊕
Compound name(s): 
bis(trimethylphosphine)-arsenic(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: 
As«V1C2OIE8B2Z0X0L2»
[MLXZ]𝘲 class: 
[ML2]+
MLXZ class (ENC, equivalent neutral class): 
MX1L1

[Sn{N(SiMe₃)₂}₂]

Formula Unicode styled: 
[Sn{N(SiMe₃)₂}₂]
Compound name(s): 
bis(bis(Trimethylsilyl)-amido)-tin
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: 
Sn«V2C2OIIE6B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Sn{N(C₆F₅)₂}₂]

Formula Unicode styled: 
[Sn{N(C₆F₅)₂}₂]
Compound name(s): 
bis(bis(Pentafluorophenyl)amido)-tin
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: 
Sn«V2C2OIIE6B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Sn(SC₆H₂Buᵗ₃-2,4,6)₂]

Formula Unicode styled: 
[Sn(SC₆H₂Buᵗ₃-2,4,6)₂]
Compound name(s): 
bis(2,4,6-Tri-t-butylbenzenethiolato)-tin
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: 
Sn«V2C2OIIE6B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Sn(NCS-κN){N(SiMe₃)₂}]

Formula Unicode styled: 
[Sn(NCS-κN){N(SiMe₃)₂}]
Compound name(s): 
bis(Trimethylsilyl)amido-isothiocyanato-tin
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: 
Sn«V2C2OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Se(Ph)₂]

Formula Unicode styled: 
[Se(Ph)₂]
Compound name(s): 
Diphenyl-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(Ph){SC(NH₂)₂}]⊕

Formula Unicode styled: 
[Se(Ph){SC(NH₂)₂}]⊕
Compound name(s): 
Phenyl-(thiourea-S)-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){Cr(CO)₃Cp*}]

Formula Unicode styled: 
[Se(Ph){Cr(CO)₃Cp*}]
Compound name(s): 
(tris(carbonyl)-(eta-pentamethyl-cyclopentadienyl)-chromium)-phenyl-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«V2C2OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[Se(Ph)]₂

Formula Unicode styled: 
[Se(Ph)]₂
Compound name(s): 
Diphenyl 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(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