4-coordinate: tetrahedral (p-block element, 1 lone pair)

[P(Ph)]₆

Formula Unicode styled: 
[P(Ph)]₆
Compound name(s): 
hexaphenylcyclohexaphosphine
cyclo-hexa-[phenyl-phosphorus]
Central atom: 
Phosphorus
Attached groups: 
Ph (phenyl)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V3C3OIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[P(Ph)]₅

Formula Unicode styled: 
[P(Ph)]₅
Compound name(s): 
penta[phenyl-phosphorus]
Central atom: 
Phosphorus
Attached groups: 
Ph (phenyl)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V3C3OIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[P(F)]₄

Formula Unicode styled: 
[P(F)]₄
Compound name(s): 
tetra[(trifluoromethyl)cyclotetraphosphine]
Central atom: 
Phosphorus
Attached groups: 
F (fluoro)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V3C3OIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Sn(Br)₂{O=CH(NMe₂)-κO}]

Formula Unicode styled: 
[Sn(Br)₂{O=CH(NMe₂)-κO}]
Compound name(s): 
dibromo-(N,N-dimethylformamide)-tin
Central atom: 
Tin
Attached groups: 
Br (bromo)
O=CH(NMe₂) (dimethylformamido-κO)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(I)₂(Dmso-κO)]

Formula Unicode styled: 
[Sn(I)₂(Dmso-κO)]
Compound name(s): 
bis(iodo)-[dimethyl sulfoxide]-tin
Central atom: 
Tin
Attached groups: 
I (iodo)
Dmso (dimethylsulfoxide-κO)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(I)₂{O=CH(NMe₂)-κO}]

Formula Unicode styled: 
[Sn(I)₂{O=CH(NMe₂)-κO}]
Compound name(s): 
(N,N-dimethylformamide)-bis(iodo)-tin
Central atom: 
Tin
Attached groups: 
I (iodo)
O=CH(NMe₂) (dimethylformamido-κO)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(Cl)₂{O=CH(NMe₂)-κO}]

Formula Unicode styled: 
[Sn(Cl)₂{O=CH(NMe₂)-κO}]
Compound name(s): 
dichloro-(N,N-dimethylformamide)-tin
Central atom: 
Tin
Attached groups: 
Cl (chloro)
O=CH(NMe₂) (dimethylformamido-κO)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(C₂F₅)₂(PMe₃)]

Formula Unicode styled: 
[Sn(C₂F₅)₂(PMe₃)]
Compound name(s): 
bis(pentafluoroethyl)-(trimethylphosphine)-tin
Central atom: 
Tin
Attached groups: 
C₂F₅ (perfluoroethyl)
PMe₃ (trimethylphosphane)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(N₃)₂(NC₅H₄Me)]

Formula Unicode styled: 
[Sn(N₃)₂(NC₅H₄Me)]
Compound name(s): 
diazido-bis(4-methylpyridine)-tin
Central atom: 
Tin
Attached groups: 
N₃ (azido)
NC₅H₄Me (4-methylpyridine)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn([9]aneS₃-κ³S)]²⊕

Formula Unicode styled: 
[Sn([9]aneS₃-κ³S)]²⊕
Compound name(s): 
(1,4,7-trithionane)-tin(2+)
Central atom: 
Tin
Attached groups: 
[9]aneS₃ (1,4,7-trithiocyclononane-κ³S)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X0L3»2⊕
[MLXZ]𝘲 class: 
[ML3]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(Tp*-κ³N)]⊕

Formula Unicode styled: 
[Sn(Tp*-κ³N)]⊕
Compound name(s): 
{hydrogen tris(3,5-dimethylpyrazolyl)borato}-tin(1+)
Central atom: 
Tin
Attached groups: 
Tp* (hydrotris(3,5-dimethylpyrazolyl)borato-κ³N)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X1L2»⊕
[MLXZ]𝘲 class: 
[MX1L2]+
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[As(Buᵗ)]₄

Formula Unicode styled: 
[As(Buᵗ)]₄
Compound name(s): 
tetrakis-[(t-butyl)-arsenic]
Central atom: 
Arsenic
Attached groups: 
Buᵗ (t-butyl)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
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: 
As«V3C2OIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

catena–1D-[Sn(Br)(μ₂-Br)]

Formula Unicode styled: 
catena–1D-[Sn(Br)(μ₂-Br)]
Compound name(s): 
tin dibromide
Central atom: 
Tin
Attached groups: 
Br (bromo)
Br (μ₂-bromo)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

catena–2D-[Sn(SO₄-κ³O)]

Formula Unicode styled: 
catena–2D-[Sn(SO₄-κ³O)]
Compound name(s): 
catena-sulfato-tin
tin sulphate
tin sulfate
Central atom: 
Tin
Attached groups: 
SO₄ (sulphato-κ³O)
Charge on central atom: 
0
Compound type: 
Catena-2D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(Cl){C₆H₃(C₆H₂Prⁱ₃)₂}(Py)]

Formula Unicode styled: 
[Sn(Cl){C₆H₃(C₆H₂Prⁱ₃)₂}(Py)]
Compound name(s): 
chloro-{2,6-bis(2,4,6-tri-isopropylphenyl)phenyl}-(pyridine)-tin
Central atom: 
Tin
Attached groups: 
Cl (chloro)
C₆H₃(C₆H₂Prⁱ₃)₂ (2,6-di-(2,4,6-triisopropylphenyl)-phenyl)
Py (pyridine)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn{C₆H₃(C₆H₂Prⁱ₃)₂}(μ₂-I)]₂

Formula Unicode styled: 
[Sn{C₆H₃(C₆H₂Prⁱ₃)₂}(μ₂-I)]₂
Compound name(s): 
bis-[(μ₂-iodo)-}2,6-bis(2,6-di-isopropylphenyl)phenyl}-tin]
Central atom: 
Tin
Attached groups: 
C₆H₃(C₆H₂Prⁱ₃)₂ (2,6-di-(2,4,6-triisopropylphenyl)-phenyl)
I (μ₂-iodo)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn{C₆H₃(C₆H₂Prⁱ₃)₂}(μ₂-Cl)]₂

Formula Unicode styled: 
[Sn{C₆H₃(C₆H₂Prⁱ₃)₂}(μ₂-Cl)]₂
Compound name(s): 
bis((μ₂-chloro)-{2,6-bis(2,4,6-tri-isopropylphenyl)phenyl}-tin
Central atom: 
Tin
Attached groups: 
C₆H₃(C₆H₂Prⁱ₃)₂ (2,6-di-(2,4,6-triisopropylphenyl)-phenyl)
Cl (μ₂-chloro)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(OSiPh₃)(μ₂-OBuᵗ)]

Formula Unicode styled: 
[Sn(OSiPh₃)(μ₂-OBuᵗ)]
Compound name(s): 
bis-](μ₂-t-butoxo)-triphenylsiloxy-tin]
Central atom: 
Tin
Attached groups: 
OSiPh₃ (triphenylsiloxy)
OBuᵗ (μ₂-t-butyloxy)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Sn(Br)₂(Py)]

Formula Unicode styled: 
[Sn(Br)₂(Py)]
Compound name(s): 
dibromo-(pyridine)-(tetrahydrofuran)-tin
Central atom: 
Tin
Attached groups: 
Br (bromo)
Py (pyridine)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

trans–[Sn(μ₂-OBuᵗ){N(SiMe₃)₂}]₂

Formula Unicode styled: 
trans–[Sn(μ₂-OBuᵗ){N(SiMe₃)₂}]₂
Compound name(s): 
trans-bis-[(μ₂-t-butoxo)-{bis(trimethylsilyl)amino}-tin]
Central atom: 
Tin
Attached groups: 
OBuᵗ (μ₂-t-butyloxy)
N(SiMe₃)₂ (bis(trimethylsilyl)amino)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sn«V2C3OIIE8B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1