4-coordinate (geometry not specified)

[Pd(μ₂-PPh₂)(PCy₃)]₂

Formula Unicode styled: 
[Pd(μ₂-PPh₂)(PCy₃)]₂
Compound name(s): 
bis-[(μ₂-Diphenylphosphido)-(tricyclohexylphosphine)-palladium]
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: 
Pd«V2C4OIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Pd(μ₂-PBuᵗ₂)(PMe₃)]₂

Formula Unicode styled: 
[Pd(μ₂-PBuᵗ₂)(PMe₃)]₂
Compound name(s): 
bis-[(μ₂-Di-t-butylphosphido-P,P)-(trimethylphosphine)-palladium]
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: 
Pd«V2C4OIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Pd(μ₂-PBuᵗ₂)(PBuᵗ₂H)]₂

Formula Unicode styled: 
[Pd(μ₂-PBuᵗ₂)(PBuᵗ₂H)]₂
Compound name(s): 
bis-[(μ₂-Di-t-butylphosphido)-di-t-butylphosphine-palladium]
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: 
Pd«V2C4OIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Pd(μ₂-I)(PBuᵗ₃)]₂

Formula Unicode styled: 
[Pd(μ₂-I)(PBuᵗ₃)]₂
Compound name(s): 
bis-[(μ₂-Iodo)-(tri-t-butylphosphine))-palladium]
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: 
Pd«V2C4OIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Pd(μ₂-Br)(PBuᵗ₃)]₂

Formula Unicode styled: 
[Pd(μ₂-Br)(PBuᵗ₃)]₂
Compound name(s): 
bis-[(μ₂-Bromo)-(tri-t-butylphosphine)-palladium]
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: 
Pd«V2C4OIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Fe(Mes)(μ₂-Mes)]₂

Formula Unicode styled: 
[Fe(Mes)(μ₂-Mes)]₂
Compound name(s): 
bis-[(μ₂-Mesityl)-mesityl-iron]
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: 
Fe«V3C4OIIE13B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[Co(NPh₂)(μ₂-NPh₂)]₂

Formula Unicode styled: 
[Co(NPh₂)(μ₂-NPh₂)]₂
Compound name(s): 
bis-[(μ₂-Diphenylamino)-(diphenylamino)-cobalt]
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: 
Co«V3C4OIIE16B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Ni(μ₂-AsBuᵗ₂)(PMe₃)]₂

Formula Unicode styled: 
[Ni(μ₂-AsBuᵗ₂)(PMe₃)]₂
Compound name(s): 
bis-[μ₂-Di-t-butyl-arsenido-As,As')-trimethylphosphine-nickel]
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: 
Ni«V2C4OIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[O{(CH₂)₄}(TaCl₅)]

Formula Unicode styled: 
[O{(CH₂)₄}(TaCl₅)]
Compound name(s): 
Pentachloro-tetrahydrofuran-tantalum
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[O{(CH₂)₄}{Cr(CO)₅}]

Formula Unicode styled: 
[O{(CH₂)₄}{Cr(CO)₅}]
Compound name(s): 
Pentacarbonyl-tetrahydrofuran-chromium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[O{(CH₂)₄}(➝Te group)]⊖

Formula Unicode styled: 
[O{(CH₂)₄}(➝Te group)]⊖
Compound name(s): 
pentachloro-tetrahydrofuran-tellurium(1-)
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[O{(CH₂)₄}(AlCl₃)]

Formula Unicode styled: 
[O{(CH₂)₄}(AlCl₃)]
Compound name(s): 
Tetrahydrofuran-trichloro-aluminium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Si(Bpy)₂]

Formula Unicode styled: 
[Si(Bpy)₂]
Compound name(s): 
bis(2,2'-Bipyridyl) silicon
Central atom: 
Attached groups: 
Charge on central atom: 
4
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: 
Si«V4C4OIVE8B4Z0X0L4»4⊕
[MLXZ]𝘲 class: 
[ML4]4+
MLXZ class (ENC, equivalent neutral class): 
MX4

[Sn(Py)(Cp*)]⊕

Formula Unicode styled: 
[Sn(Py)(Cp*)]⊕
Compound name(s): 
(η⁵-Pentamethyl-cyclopentadienyl)-pyridine-tin(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: 
Sn«V2C4OIIE10B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]+
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Sn(Cl)(Cp)]

Formula Unicode styled: 
[Sn(Cl)(Cp)]
Compound name(s): 
Cyclopentadienyl-chloro-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«V2C4OIIE10B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Ge(Cp*)]⊕

Formula Unicode styled: 
[Ge(Cp*)]⊕
Compound name(s): 
(eta-Pentamethyl-cyclopentadienyl)-germanium(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: 
Ge«V2C3OIIE8B3Z0X1L2»
[MLXZ]𝘲 class: 
[MX1L2]+
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Te(Dedtc)₂]

Formula Unicode styled: 
[Te(Dedtc)₂]
Compound name(s): 
bis(N,N-Diethyldithiocarbamato)-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«V2C4OIIE12B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Pt(SO₂-κS)(PPh₃)₃]

Formula Unicode styled: 
[Pt(SO₂-κS)(PPh₃)₃]
Compound name(s): 
(Sulfur dioxide)-tris(triphenylphosphine) platinum
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: 
Pt«V0C4OOE18B4Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]
MLXZ class (ENC, equivalent neutral class): 
ML4

[Hg(SCN-κS)(μ₂-NCS-κN,κS)(PPh₃)]

Formula Unicode styled: 
[Hg(SCN-κS)(μ₂-NCS-κN,κS)(PPh₃)]
Compound name(s): 
catena-[(μ₂-thiocyanato-N,S)-thiocyanato-(triphenylphosphine)-mercury]
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: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Hg(ClO₄-κO)(SePh₂)₂]₂

Formula Unicode styled: 
[Hg(ClO₄-κO)(SePh₂)₂]₂
Compound name(s): 
tetrakis(Diphenylseleno)-diperchlorato-di-mercury
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: 
Hg«V2C4OIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2