4-coordinate (geometry not specified)

[Al(C₆F₅)₂(η³-Cp*)]

Formula Unicode styled: 
[Al(C₆F₅)₂(η³-Cp*)]
Compound name(s): 
bis(pentafluorophenyl)-(η³-pentamethyl-cyclopentadienyl)-aluminium
Central atom: 
Aluminium
Attached groups: 
C₆F₅ (pentafluorophenyl)
Cp*-η³ (η³-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
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: 
Mercury
Attached groups: 
NO₃ (nitrato-κO)
NO₃ (μ₂-nitrato)
PPh₃ (triphenylphosphane)
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: 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

[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: 
Nickel
Attached groups: 
NPh₂ (diphenylamino: planar)
NPh₂ (μ₂-diphenylamino)
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: 17
Summary of calculated classifications: 
Ni«V3C4OIIE17B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[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: 
Nickel
Attached groups: 
PBuᵗ₂ (μ₂-dibutylphosphanyl)
PMe₃ (trimethylphosphane)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Ni«V2C4OIE16B4Z0X2L2»
[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: 
Potassium
Attached groups: 
CPh₃ (trityl)
Pmdta (pentamethyldiethylenetriamine-κ³N)
Charge on central atom: 
0
Compound type: 
Molecular
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: 8
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: 
Potassium
Attached groups: 
CPh₃ (trityl)
Diglyme (diethylene glycol dimethyl ether-κ³O)
Charge on central atom: 
0
Compound type: 
Molecular
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: 8
Summary of calculated classifications: 
K«V1C4OIE8B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[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: 
Europium
Attached groups: 
C₆H₃Ph₂ (2,6-diphenyl-phenyl)
Thf (tetrahydrofuran)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
Eu«V2C4OIIE15B4Z0X2L2»
[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] (Pd—Pd)
Central atom: 
Palladium
Attached groups: 
PBuᵗ₂ (μ₂-dibutylphosphanyl)
PBuᵗ₂H (di-t-butylphosphane)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
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] (Pd—Pd)
Central atom: 
Palladium
Attached groups: 
PBuᵗ₂ (μ₂-dibutylphosphanyl)
PMe₃ (trimethylphosphane)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Pd«V2C4OIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Pd(μ₂-PPh₂)(PCy₃)]₂

Formula Unicode styled: 
[Pd(μ₂-PPh₂)(PCy₃)]₂
Compound name(s): 
bis-[(μ₂-Diphenylphosphido)-(tricyclohexylphosphine)-palladium]
Central atom: 
Palladium
Attached groups: 
PPh₂ (μ₂-diphenylphosphanyl)
PCy₃ (tricyclohexylphosphane)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
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] (Pd—Pd)
Central atom: 
Palladium
Attached groups: 
I (μ₂-iodo)
PBuᵗ₃ (tri-t-butylphosphane)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
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] (Pd—Pd)
Central atom: 
Palladium
Attached groups: 
Br (μ₂-bromo)
PBuᵗ₃ (tri-t-butylphosphane)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
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: 
Iron
Attached groups: 
Mes (mesityl)
Mes (μ₂-mesityl)
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: 13
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: 
Cobalt
Attached groups: 
NPh₂ (diphenylamino: planar)
NPh₂ (μ₂-diphenylamino)
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: 16
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 (Ni—Ni)]
Central atom: 
Nickel
Attached groups: 
AsBuᵗ₂ (μ₂-bis-t-butyl-arsanyl)
PMe₃ (trimethylphosphane)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Ni«V2C4OIE16B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Te(Dedtc)₂]

Formula Unicode styled: 
[Te(Dedtc)₂]
Compound name(s): 
bis(N,N-Diethyldithiocarbamato)-tellurium
Central atom: 
Tellurium
Attached groups: 
Dedtc (diethyldithiocarbamato-κ²S)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
Te«V2C4OIIE12B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[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: 
Mercury
Attached groups: 
SCN (thiocyanato-κS)
NCS (μ₂-thiocyanato-κN,κS)
PPh₃ (triphenylphosphane)
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: 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

[Cd(C≡CPh)₂(TMEDA-κ²N)]

Formula Unicode styled: 
[Cd(C≡CPh)₂(TMEDA-κ²N)]
Compound name(s): 
bis(Phenylethynyl)-(tetramethylethylenediamine)-cadmium
Central atom: 
Cadmium
Attached groups: 
C≡CPh (phenylethynyl)
TMEDA (tetramethylethylenediamine-κ²N)
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: 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

[Ag(μ₂-O₂CCF₃)(PCy₃)]₂

Formula Unicode styled: 
[Ag(μ₂-O₂CCF₃)(PCy₃)]₂
Compound name(s): 
bis(μ₂-Trifluoroacetato-O,O')-bis(tricyclohexylphosphine)-di-silver
Central atom: 
Silver
Attached groups: 
O₂CCF₃ (μ₂-trifluoroacetato)
PCy₃ (tricyclohexylphosphane)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Ag«V2C4OIE17B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Ag(O₂NO-κ²O)₂]⊖

Formula Unicode styled: 
[Ag(O₂NO-κ²O)₂]⊖
Compound name(s): 
dinitrato-silver(1-)
Central atom: 
Silver
Attached groups: 
NO₃ (nitrato-κ²O)
Charge on central atom: 
-1
Compound type: 
Molecular
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«V1C4OIE18B4Z0X2L2»⊖
[MLXZ]𝘲 class: 
[MX2L2]-
MLXZ class (ENC, equivalent neutral class): 
MX1L3