4-coordinate (geometry not specified)

catena–1D-[Bi(Buⁿ){Fe(CO)₄}]

Formula Unicode styled: 
catena–1D-[Bi(Buⁿ){Fe(CO)₄}]
Compound name(s): 
catena-[n-butyl-(tetracarbonyl-iron)-bismuth
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: 
Bi«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Al(C₆F₅)₂(η³-Cp*)]

Formula Unicode styled: 
[Al(C₆F₅)₂(η³-Cp*)]
Compound name(s): 
bis(pentafluorophenyl)-(η³-pentamethyl-cyclopentadienyl)-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: 
Al«V3C4OIIIE8B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

catena–1D-[Hg(ONO₂-κO)(μ₂-O₂NO)(PPh₃)]

Formula Unicode styled: 
catena–1D-[Hg(ONO₂-κO)(μ₂-O₂NO)(PPh₃)]
Compound name(s): 
catena-[dinitrato(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

[Np(Tren-TIPS-κ⁴N)]

Formula Unicode styled: 
[Np(Tren-TIPS-κ⁴N)]
Compound name(s): 
(N,N',N''-[nitrilotri(ethane-2,1-diyl)]tris[tri(propan-2-yl)silanaminido])-neptunium
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: 
Np«V3C4OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[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: 
P«V5C4OIIIE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[I(C₆H₄OMe)₂]⊕

Formula Unicode styled: 
[I(C₆H₄OMe)₂]⊕
Compound name(s): 
bis(p-Methoxyphenyl)-iodine(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: 
I«V3C2OIIIE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]+
MLXZ class (ENC, equivalent neutral class): 
MX1Z1

[Ni(μ₂-PBuᵗ₂)(PMe₃)]₂

Formula Unicode styled: 
[Ni(μ₂-PBuᵗ₂)(PMe₃)]₂
Compound name(s): 
bis-[(μ₂-Di-t-butylphosphino)-(trimethylphosphine)-nickel(Ni—Ni)]
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

[Ni(NPh₂)(μ₂-NPh₂)]₂

Formula Unicode styled: 
[Ni(NPh₂)(μ₂-NPh₂)]₂
Compound name(s): 
bis-[(μ₂-Diphenylamino)-(diphenylamino)-nickel(Ni?Ni)]
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«V4C4OIIE18B6Z0X4L2»
[MLXZ]𝘲 class: 
[MX4L2]
MLXZ class (ENC, equivalent neutral class): 
MX4L2

network–[Cd(μ₄-S)]

Formula Unicode styled: 
network–[Cd(μ₄-S)]
Compound name(s): 
network-[thio-cadmium-α]
cadmium sulphide-α
cadmium sulfide-α
Greenockite
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: 
Cd«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[K(CPh₃)(Pmdta-κ³N)]

Formula Unicode styled: 
[K(CPh₃)(Pmdta-κ³N)]
Compound name(s): 
(N,N,N',N'',N''-Pentamethyldiethylenetriamine)-triphenylmethyl-potassium
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: 
K«V1C4OIE8B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[K(CPh₃)(Diglyme-κ³O)]

Formula Unicode styled: 
[K(CPh₃)(Diglyme-κ³O)]
Compound name(s): 
Triphenylmethanide)-diglyme-potassium
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: 
K«V1C4OIE8B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

catena–1D-[K{C(SiMe₃)₃}(TMEDA-κ²N)]

Formula Unicode styled: 
catena–1D-[K{C(SiMe₃)₃}(TMEDA-κ²N)]
Compound name(s): 
catena-[(Trimethylsilyl-methyl)-tetramethylethylenediamine-potassium]
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: 
K«V1C4OIE8B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

catena–1D-[K(μ₂-NPh₂)(Phen)]

Formula Unicode styled: 
catena–1D-[K(μ₂-NPh₂)(Phen)]
Compound name(s): 
catena-[(μ₂-bis(diphenylazanido))-(1,10-phenanthroline)-potassium]
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: 
K«V1C4OIE8B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Lu{N(PPh₂)₂}₃(Thf)]

Formula Unicode styled: 
[Lu{N(PPh₂)₂}₃(Thf)]
Compound name(s): 
tris(bis(Diphenylphosphanyl)amide)-(tetrahydrofuran)-lutetium
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: 
Lu«V3C4OIIIE14B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Cu(μ₂-O₂CPh)]₄

Formula Unicode styled: 
[Cu(μ₂-O₂CPh)]₄
Compound name(s): 
tetrakis-[(μ₂-Benzoato)-copper]
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: 
Cu«V3C4OIE16B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[Cu(O₂CPh-κO)(Dppm-κ²P)]₂

Formula Unicode styled: 
[Cu(O₂CPh-κO)(Dppm-κ²P)]₂
Compound name(s): 
bis-[(μ₂-bis(Diphenylphosphino)methane)-(benzoato-O)-copper]
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: 
Cu«V2C4OIE17B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Cu(Tp*-κ³N)]₂

Formula Unicode styled: 
[Cu(Tp*-κ³N)]₂
Compound name(s): 
bis-[(μ₂-Hydrido-tris(3,5-dimethyl-1-pyrazolyl)borato)-copper]
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: 
Cu«V1C4OIE16B3Z0X1L2»
[MLXZ]𝘲 class: 
[MX1L2]
MLXZ class (ENC, equivalent neutral class): 
MX1L2

[Cu(μ₂-OBuᵗ)]₂

Formula Unicode styled: 
[Cu(μ₂-OBuᵗ)]₂
Compound name(s): 
tetrakis-[(μ-t-butoxo)-copper]
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: 
Cu«V1C2OIE14B2Z0X1L1»
[MLXZ]𝘲 class: 
[MX1L1]
MLXZ class (ENC, equivalent neutral class): 
MX1L1

[Cu(μ₂-I)(PCy₃)]₂

Formula Unicode styled: 
[Cu(μ₂-I)(PCy₃)]₂
Compound name(s): 
bis-[(μ₂-Iodo)-tricyclohexylphosphine-copper]
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: 
Cu«V1C4OIE16B3Z0X1L2»
[MLXZ]𝘲 class: 
[MX1L2]
MLXZ class (ENC, equivalent neutral class): 
MX1L2

[Eu(C₆H₃Ph₂)₂(Thf)₂]

Formula Unicode styled: 
[Eu(C₆H₃Ph₂)₂(Thf)₂]
Compound name(s): 
bis(2,6-Diphenylphenyl)-bis(tetrahydrofuran)-europium
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: 
Eu«V2C4OIIE15B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2