Iron

trans–[Fe(SnPh₃)₂(CNXy)₄]

Formula Unicode styled: 
trans–[Fe(SnPh₃)₂(CNXy)₄]
Compound name(s): 
bis(triphenylstannyl)-tetrakis(xylylisocyanido)-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«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(CNXy)₄]²⊖

Formula Unicode styled: 
[Fe(CNXy)₄]²⊖
Compound name(s): 
tetrakis(xylylisocyanido)-iron(2-)
Central atom: 
Attached groups: 
Charge on central atom: 
-2
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«V2C4O-IIE18B6Z0X0L4»2⊖
[MLXZ]𝘲 class: 
[ML4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Fe(SnPh₃)₂(CNBuᵗ)₄]

Formula Unicode styled: 
trans–[Fe(SnPh₃)₂(CNBuᵗ)₄]
Compound name(s): 
bis(triphenylstannyl)-tetrakis(t-butylisocyanido)-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«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(η⁴-C₄H₆)₂]⊖

Formula Unicode styled: 
[Fe(η⁴-C₄H₆)₂]⊖
Compound name(s): 
bis(η⁴-buta-1,3-diene)-iron(1-)
Central atom: 
Attached groups: 
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: 
Fe«V1C4O-IE17B5Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L4

trans–[Fe(Br)₂(CNXy)₄]

Formula Unicode styled: 
trans–[Fe(Br)₂(CNXy)₄]
Compound name(s): 
dibromo-tetrakis(xylylisocyanide)-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«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(μ₂-SPh)(NO)₂]₂

Formula Unicode styled: 
[Fe(μ₂-SPh)(NO)₂]₂
Compound name(s): 
bis(μ₂-Phenylthiolato)-tetranitrosyl-di-iron (Fe—Fe)
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«V4C5O-IE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Fe(NO)(OH₂)₅]²⊕

Formula Unicode styled: 
[Fe(NO)(OH₂)₅]²⊕
Compound name(s): 
penta-aqua-nitrosyl-iron(2+)
Central atom: 
Charge on central atom: 
2
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«V5C6OIE17B7X1L5Z1»2⊕
[MLXZ]𝘲 class: 
[MX1L5Z1]2+
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Fe₂(CO)₆(μ₂-CO)₃]

Formula Unicode styled: 
[Fe₂(CO)₆(μ₂-CO)₃]
Compound name(s): 
tris(μ₂-carbonyl)-hexacarbonyl-di-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«V2C6OOE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

mer,trans–[Fe(H)(CO)₃(PMe₃)₂]⊕

Formula Unicode styled: 
mer,trans–[Fe(H)(CO)₃(PMe₃)₂]⊕
Compound name(s): 
tricarbonyl-hydrido-bis(trimethylphosphine)-iron(I+)
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: 
Fe«V2C6OIIE18B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

cis,trans–[Fe(H)₂(CO)₂{P(OPh)₃}₂]

Formula Unicode styled: 
cis,trans–[Fe(H)₂(CO)₂{P(OPh)₃}₂]
Compound name(s): 
Dicarbonyl-dihydrido-bis(triphenylphosphite-O)-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«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

cis–[Fe(O₂CBuᵗ-κO)₂(CO)₄]

Formula Unicode styled: 
cis–[Fe(O₂CBuᵗ-κO)₂(CO)₄]
Compound name(s): 
cis-bis(t-butoxycarbonyl)-tetracarbonyl-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«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe₂(O)₃]

Formula Unicode styled: 
[Fe₂(O)₃]
Compound name(s): 
trioxo-diiron|diron trioxide|haematite
Central atom: 
Attached groups: 
Charge on central atom: 
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«V3C6OIII»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Fe(μ₂-SMe)(CO)₂(PMe₃)]₂

Formula Unicode styled: 
[Fe(μ₂-SMe)(CO)₂(PMe₃)]₂
Compound name(s): 
bis-[(μ₂-Methylmercapto)-dicarbonyl-trimethylphosphine-iron(Fe—Fe)]
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«V2C6OIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(P){η⁵-C₅H₂(Buᵗ)₃}]₂

Formula Unicode styled: 
[Fe(P){η⁵-C₅H₂(Buᵗ)₃}]₂
Compound name(s): 
bis-[(μ₂-Phosphido)-(η⁵-1,2,4-tri-t-butyl-cyclopentadienyl)-iron(Fe=Fe)]
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«V6C6OIVE18B8Z0X6L2»
[MLXZ]𝘲 class: 
[MX6L2]
MLXZ class (ENC, equivalent neutral class): 
MX6L2

[Fe(O)]

Formula Unicode styled: 
[Fe(O)]
Compound name(s): 
oxo-iron|iron oxide|Wuestite
Central atom: 
Attached groups: 
Charge on central atom: 
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«V2C6OII»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Fe(μ₂-NO)(η⁵-C₅H₄Me)]₂

Formula Unicode styled: 
[Fe(μ₂-NO)(η⁵-C₅H₄Me)]₂
Compound name(s): 
bis-[(η5-Methylcyclopentadienyl)-((μ₂-nitrosyl)-iron(Fe=Fe)]
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«V4C6OIIE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Fe(Mes)₃]⊖

Formula Unicode styled: 
[Fe(Mes)₃]⊖
Compound name(s): 
trimesityl-iron(1-)
Central atom: 
Attached groups: 
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: 
Fe«V2C3OIIE12B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]-
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Fe(CO)₃(μ₂-N=CHMe)]₂

Formula Unicode styled: 
[Fe(CO)₃(μ₂-N=CHMe)]₂
Compound name(s): 
bis-[(μ₂-ethylideneamido)-tricarbonyl-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«V2C6OIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

fac–[Fe(CO)₃(≡CNEt₂)]₂

Formula Unicode styled: 
fac–[Fe(CO)₃(≡CNEt₂)]₂
Compound name(s): 
bis-[(μ₂-diethylaminomethylidyne)-tricarbonyl-iron(Fe—Fe)]
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«V4C6OIIIE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

cis–[Fe(PbEt₂)(CO)₄]₂

Formula Unicode styled: 
cis–[Fe(PbEt₂)(CO)₄]₂
Compound name(s): 
bis-[(μ₂-Diethyl-lead)-tetracarbonyl-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«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4