4-coordinate: tetrahedron (T-4)

[F₂(Ca)]

Formula Unicode styled: 
[F₂(Ca)]
Compound name(s): 
difluoro-calcium|calcium difluoride
Central atom: 
Fluorine
Attached groups: 
Ca (calcio)
Charge on central atom: 
Compound type: 
Lattice
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: 0
Summary of calculated classifications: 
F«V1C4O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[F₂(Ba)]

Formula Unicode styled: 
[F₂(Ba)]
Compound name(s): 
difluoro barium
barium difluoride
frankdicksonite
Central atom: 
Fluorine
Attached groups: 
Ba (bario)
Charge on central atom: 
Compound type: 
Lattice
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: 0
Summary of calculated classifications: 
F«V1C4O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Cr(CrO₄)(O)₃]²⊖

Formula Unicode styled: 
[Cr(CrO₄)(O)₃]²⊖
Compound name(s): 
[heptaoxo-dichromium]2-
dichromate
Central atom: 
Chromium
Attached groups: 
CrO₄ (chromato)
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
Cr«V6C4OVIE14B7Z0X6L1»
[MLXZ]𝘲 class: 
[MX6L1]
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[U{N(SiMe₃)₂}₃(=NSiMe₃)]

Formula Unicode styled: 
[U{N(SiMe₃)₂}₃(=NSiMe₃)]
Compound name(s): 
tris(bis(Trimethylsilyl)amido-N)-(trimethylsilylimido-N)-uranium
Central atom: 
Uranium
Attached groups: 
N(SiMe₃)₂ (bis(trimethylsilyl)amino: planar)
=NSiMe₃ (trimethylsilylimino)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
U«V5C4OVE17B8Z0X5L3»
[MLXZ]𝘲 class: 
[MX5L3]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Pb(Ph)₂{N(SiMe₃)₂}₂]

Formula Unicode styled: 
[Pb(Ph)₂{N(SiMe₃)₂}₂]
Compound name(s): 
diphenyl-bis(bis(trimethylsilyl)amide)-lead
Central atom: 
Lead
Attached groups: 
Ph (phenyl)
N(SiMe₃)₂ (bis(trimethylsilyl)amino)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Pb«V4C4OIVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

catena–3D-[Cd(μ₄–Po)]

Formula Unicode styled: 
catena–3D-[Cd(μ₄–Po)]
Compound name(s): 
polonido-cadmium|Cadmium Polonide
Central atom: 
Cadmium
Attached groups: 
Po (μ₄–polono 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

[Tc(TcO₄-κO){(O)₃}]

Formula Unicode styled: 
[Tc(TcO₄-κO){(O)₃}]
Compound name(s): 
heptaoxo-technetium|ditechnetium heptoxide
Central atom: 
Technetium
Attached groups: 
TcO₄ (tetraoxotechnetium-κO)
(O)₃ (trioxo X₆L₂ Ⓢ)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Tc«V7C4OVIIE18B9Z0X7L2»
[MLXZ]𝘲 class: 
[MX7L2]
MLXZ class (ENC, equivalent neutral class): 
MX7L2

[Tc(=NC₆H₃Prⁱⁱ₂)₃]₂

Formula Unicode styled: 
[Tc(=NC₆H₃Prⁱ₂)₃]₂
Compound name(s): 
bis-[tris-(2,6-Di-isopropylphenylimido)-technetium(Tc—Tc)]
Central atom: 
Technetium
Attached groups: 
=NC₆H₃Prⁱ₂ (2,6-di-isopropylphenylimino)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
Tc«V7C4OVIE14B7Z0L0X7»
[MLXZ]𝘲 class: 
[MX7]
MLXZ class (ENC, equivalent neutral class): 
MX7

[Re(OBuᵗ)₂(≡CBuᵗ)]₂

Formula Unicode styled: 
[Re(OBuᵗ)₂(≡CBuᵗ)]₂
Compound name(s): 
bis-[(Neopentylidyne-bis(t-butoxy)-rhenium(Re=Re)]
Central atom: 
Rhenium
Attached groups: 
OBuᵗ (t-butyloxy)
≡CBuᵗ (neopentylidyne)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
Re«V7C4OVE14B7Z0L0X7»
[MLXZ]𝘲 class: 
[MX7]
MLXZ class (ENC, equivalent neutral class): 
MX7

[Re(O)(MeC≡CMe)₂]₂

Formula Unicode styled: 
[Re(O)(MeC≡CMe)₂]₂
Compound name(s): 
bis-[(bis(η²-Dimethylacetylene)-oxo-rhenium(Re—Re)]
Central atom: 
Rhenium
Attached groups: 
O (oxo X₂)
MeC≡CMe (butyne L₂)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V3C4OIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Pt(Cl)₄]

Formula Unicode styled: 
[Pt(Cl)₄]
Compound name(s): 
tetrachloro-platinum
Central atom: 
Platinum
Attached groups: 
Cl (chloro)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
Pt«V4C4OIVE14B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Os(⭀NBuᵗ)₂(μ₂-NBuᵗ)]₂

Formula Unicode styled: 
[Os(⭀NBuᵗ)₂(μ₂-NBuᵗ)]₂
Compound name(s): 
bis-[(μ₂-t-Butylimido)-bis(t-butylimido)-osmium]
Central atom: 
Osmium
Attached groups: 
(⭀NBuᵗ)₂ (di(⭀NBuᵗ t-butylimino)-cis X₄L Ⓢ)
NBuᵗ (μ₂-t-butylimino X₂L)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V6C4OVIE18B8Z0X6L2»
[MLXZ]𝘲 class: 
[MX6L2]
MLXZ class (ENC, equivalent neutral class): 
MX6L2

[Mn(MnO₄-κO){(O)₃}]

Formula Unicode styled: 
[Mn(MnO₄-κO){(O)₃}]
Compound name(s): 
heptaoxo dimanganese|dimanganese heptaoxide
Central atom: 
Manganese
Attached groups: 
MnO₄ (tetraoxomanganese-κO)
(O)₃ (trioxo X₆L₂ Ⓢ)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Mn«V7C4OVIIE18B9Z0X7L2»
[MLXZ]𝘲 class: 
[MX7L2]
MLXZ class (ENC, equivalent neutral class): 
MX7L2

[Cu{SC(NH₂)₂}₂{μ₂-SC(NH₂)₂}]⊕

Formula Unicode styled: 
[Cu{SC(NH₂)₂}₂{μ₂-SC(NH₂)₂}]⊕
Compound name(s): 
bis-[(μ₂-Thiourea-S,S)-bis(thiourea-S)-copper(1+)]
Central atom: 
Copper
Attached groups: 
SC(NH₂)₂ (thiourea)
SC(NH₂)₂ (μ₂-thiourea)
Charge on central atom: 
1
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: 
Cu«V1C4OIE18B4Z0X0L4»⊕
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

catena–3D-[Zn(μ₄-Te)]

Formula Unicode styled: 
catena–3D-[Zn(μ₄-Te)]
Compound name(s): 
catena-[telluro-zinc]
zinc telluride
Central atom: 
Zinc
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: 
Zn«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Zn(μ₄-Se)]

Formula Unicode styled: 
catena–3D-[Zn(μ₄-Se)]
Compound name(s): 
catena-[seleno-zinc]|zinc selenide|Stilleite
Central atom: 
Zinc
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: 
Zn«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Zn(μ₄-S)]

Formula Unicode styled: 
catena–3D-[Zn(μ₄-S)]
Compound name(s): 
catena-[zinc-monosulfide]
catena-[zinc-monosulphide]
Central atom: 
Zinc
Attached groups: 
S (μ₄-thio)
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(μ₄–O)]

Formula Unicode styled: 
catena–3D-[Zn(μ₄–O)]
Compound name(s): 
catena-[oxo-zinc]
zinc oxide
Zincite
Central atom: 
Zinc
Attached groups: 
O (μ₄–oxo 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: 
Zn«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Zn(μ₂-I)₂]

Formula Unicode styled: 
catena–3D-[Zn(μ₂-I)₂]
Compound name(s): 
catena-[diodo-zinc]|zinc diiodide
Central atom: 
Zinc
Attached groups: 
I (μ₂-iodo)
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-CN)₂]

Formula Unicode styled: 
catena–3D-[Zn(μ₂-CN)₂]
Compound name(s): 
catena-[dicyano-zinc]
zinc dicyanide
Central atom: 
Zinc
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: 
Zn«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2