4-coordinate: tetrahedron (T-4)

catena–3D-[Zn(μ₂-Cl)₂]

Formula Unicode styled: 
catena–3D-[Zn(μ₂-Cl)₂]
Compound name(s): 
catena-[dichloro-zinc]|zinc dichloride
Central atom: 
Zinc
Attached groups: 
Cl (μ₂-chloro)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Zn«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Zn(μ₂-Br)₂]

Formula Unicode styled: 
catena–3D-[Zn(μ₂-Br)₂]
Compound name(s): 
catena-[dibromo-zinc]|zinc dibromide
Central atom: 
Zinc
Attached groups: 
Br (μ₂-bromo)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Zn«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Hg(μ₄-Te)]

Formula Unicode styled: 
catena–3D-[Hg(μ₄-Te)]
Compound name(s): 
catena-[telluro-mercury]
Coloradoite
Central atom: 
Mercury
Attached groups: 
Te (μ₄-telluro X₂L₂)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Hg(μ₄-Se)]

Formula Unicode styled: 
catena–3D-[Hg(μ₄-Se)]
Compound name(s): 
catena-[seleno-mercury]|Tiemannite
Central atom: 
Mercury
Attached groups: 
Se (μ₄-seleno X₂L₂)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–2D-[Hg(μ₂-I)₂]

Formula Unicode styled: 
catena–2D-[Hg(μ₂-I)₂]
Compound name(s): 
catena-[diiodo-mercury]|Coccinite
Central atom: 
Mercury
Attached groups: 
I (μ₂-iodo)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Cd(μ₄-SO₄)]

Formula Unicode styled: 
catena–3D-[Cd(μ₄-SO₄)]
Compound name(s): 
catena-[sulphato-cadmium]
catena-[sulfato-cadmium]
cadmium sulphate
cadmium sulfate
Central atom: 
Cadmium
Attached groups: 
SO₄ (μ₄-sulphato)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Cd«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Cd(μ₄-Se)]

Formula Unicode styled: 
catena–3D-[Cd(μ₄-Se)]
Compound name(s): 
catena-[seleno-cadmium]cadmium selenide
Central atom: 
Cadmium
Attached groups: 
Se (μ₄-seleno X₂L₂)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Cd«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Cd(μ₂-CN)₂]

Formula Unicode styled: 
catena–3D-[Cd(μ₂-CN)₂]
Compound name(s): 
catena-[dicyano-cadmium]|cadmium dicyanide|cadmium(II) cyanide|cadmium cyanide
Central atom: 
Cadmium
Attached groups: 
CN (μ₂-cyano-κC,κN)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Cd«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

network–[Ag(μ₄-I)]

Formula Unicode styled: 
network–[Ag(μ₄-I)]
Compound name(s): 
network-[iodo-silver]
silver iodide
iodargyrite
Central atom: 
Silver
Attached groups: 
I (μ₄-iodo)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ag«V1C4OIE18B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Ag(O)]

Formula Unicode styled: 
[Ag(O)]
Compound name(s): 
oxo-silver|silver oxide
Central atom: 
Silver
Attached groups: 
O (oxo X₂)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Ag«V2C4OII»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Ag(μ₃-I)(Pip)]₄

Formula Unicode styled: 
[Ag(μ₃-I)(Pip)]₄
Compound name(s): 
tetrakis-[iodo-piperidine-silver]
Central atom: 
Silver
Attached groups: 
I (μ₃-iodo)
Pip (piperidine)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ag«V1C4OIE18B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Ag(μ₃-I)(NEt₃)]₄

Formula Unicode styled: 
[Ag(μ₃-I)(NEt₃)]₄
Compound name(s): 
tetrakis-[iodo-triethylamine-silver]
Central atom: 
Silver
Attached groups: 
I (μ₃-iodo)
NEt₃ (triethylamine)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Ag«V1C4OIE18B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Zr(NMe₂)₃(μ₂-NMe₂)]₂

Formula Unicode styled: 
[Zr(NMe₂)₃(μ₂-NMe₂)]₂
Compound name(s): 
bis-[(μ₂-Dimethylamido)-tris(dimethylamido)-zirconium]
Central atom: 
Zirconium
Attached groups: 
NMe₂ (dimethylamino: planar)
NMe₂ (μ₂-dimethylamino)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Zr«V4C5OIVE16B8Z0X4L4»
[MLXZ]𝘲 class: 
[MX4L4]
MLXZ class (ENC, equivalent neutral class): 
MX4L4

[Zr(NMe₂)₂(=NBuᵗ)]₂

Formula Unicode styled: 
[Zr(NMe₂)₂(=NBuᵗ)]₂
Compound name(s): 
bis-[(μ-(N-t-butylimido)-bis(bis(dimethylamido)-zirconium)
Central atom: 
Zirconium
Attached groups: 
NMe₂ (dimethylamino: planar)
=NBuᵗ (t-butylimino)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
Zr«V4C3OIVE12B6Z0X4L2»
[MLXZ]𝘲 class: 
[MX4L2]
MLXZ class (ENC, equivalent neutral class): 
MX4L2

[W{CH(SiMe₃)₂}(NMe₂)₂]₂

Formula Unicode styled: 
[W{CH(SiMe₃)₂}(NMe₂)₂]₂
Compound name(s): 
bis-[(bis(Dimethylamido)-bis(trimethylsilyl)methyl-tungsten(W≡W)]
Central atom: 
Tungsten
Attached groups: 
CH(SiMe₃)₂ (bistrimethylsilylmethyl)
NMe₂ (dimethylamino: planar)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
W«V6C4OIIIE16B8Z0X6L2»
[MLXZ]𝘲 class: 
[MX6L2]
MLXZ class (ENC, equivalent neutral class): 
MX6L2

[W{C(SCHCHCH)}(NMe₂)₂]₂

Formula Unicode styled: 
[W{C(SCHCHCH)}(NMe₂)₂]₂
Compound name(s): 
bis-[(bis(Dimethylamino)-(2-thienyl)-tungsten(W≡W)]
Central atom: 
Tungsten
Attached groups: 
C(SCHCHCH) (thienyl)
NMe₂ (dimethylamino: planar)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
W«V6C4OIIIE16B8Z0X6L2»
[MLXZ]𝘲 class: 
[MX6L2]
MLXZ class (ENC, equivalent neutral class): 
MX6L2

[W(SMes)₃]₂

Formula Unicode styled: 
[W(SMes)₃]₂
Compound name(s): 
bis-[tris(2,4,6-Trimethylphenylthio-tungsten(W≡W)]
Central atom: 
Tungsten
Attached groups: 
SMes (mesitylthio)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
W«V6C4OIIIE12B6Z0L0X6»
[MLXZ]𝘲 class: 
[MX6]
MLXZ class (ENC, equivalent neutral class): 
MX6

[W(SeMes)₃]₂

Formula Unicode styled: 
[W(SeMes)₃]₂
Compound name(s): 
bis-[tris(2,4,6-Trimethylphenylseleno-tungsten(W≡W)]
Central atom: 
Tungsten
Attached groups: 
SeMes (mesitylselenyl)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
W«V6C4OIIIE12B6Z0L0X6»
[MLXZ]𝘲 class: 
[MX6]
MLXZ class (ENC, equivalent neutral class): 
MX6

[W(SBuᵗ)(NMe₂)₂]₂

Formula Unicode styled: 
[W(SBuᵗ)(NMe₂)₂]₂
Compound name(s): 
bis-[(t-Butylthiolato)-bis(dimethylamido)-tungsten(W≡W)]
Central atom: 
Tungsten
Attached groups: 
SBuᵗ (t-butylthio)
NMe₂ (dimethylamino: planar)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
W«V6C4OIIIE16B8Z0X6L2»
[MLXZ]𝘲 class: 
[MX6L2]
MLXZ class (ENC, equivalent neutral class): 
MX6L2

[W(PCy₂)(NMe₂)₂]₂

Formula Unicode styled: 
[W(PCy₂)(NMe₂)₂]₂
Compound name(s): 
bis-[(Dicyclohexylphosphido)-bis(dimethylamido)-tungsten(W≡W)]
Central atom: 
Tungsten
Attached groups: 
PCy₂ (dicyclohexylphosphanyl)
NMe₂ (dimethylamino: planar)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
W«V6C4OIIIE16B8Z0X6L2»
[MLXZ]𝘲 class: 
[MX6L2]
MLXZ class (ENC, equivalent neutral class): 
MX6L2