Iron

[Fe(O₂NO-κ²O)₄]⊖

Formula Unicode styled: 
[Fe(O₂NO-κ²O)₄]⊖
Compound name(s): 
tetranitrato-iron(1-)
Central atom: 
Iron
Attached groups: 
NO₃ (nitrato-κ²O)
Charge on central atom: 
-1
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Fe«V3C8OIIIE21B8Z0X4L4»⊖
[MLXZ]𝘲 class: 
[MX4L4]-
MLXZ class (ENC, equivalent neutral class): 
MX3L5

[Fe{O=C(NHMe)₂}₆]³⊕

Formula Unicode styled: 
[Fe{O=C(NHMe)₂}₆]³⊕
Compound name(s): 
hexakis(Dimethylurea)-iron(3+)
Central atom: 
Iron
Attached groups: 
O=C(NHMe)₂ (dimethylurea)
Charge on central atom: 
3
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Fe«V3C6OIIIE17B6Z0X0L6»3⊕
[MLXZ]𝘲 class: 
[ML6]3+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Fe(O)₄]⁵⊖

Formula Unicode styled: 
[Fe(O)₄]⁵⊖
Compound name(s): 
tetraoxo-iron(5-)
Central atom: 
Iron
Attached groups: 
(O)₄ (tetraoxo X₈L Ⓢ)
Charge on central atom: 
-5
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: 23
Summary of calculated classifications: 
Fe«V3C4OIIIE23B9Z0X8L1»5⊖
[MLXZ]𝘲 class: 
[MX8L1]5-
MLXZ class (ENC, equivalent neutral class): 
MX3L6

[Fe(O)₄]²⊖

Formula Unicode styled: 
[Fe(O)₄]²⊖
Compound name(s): 
tetraoxoiron(2-)
Central atom: 
Iron
Attached groups: 
(O)₄ (tetraoxo X₈L Ⓢ)
O (oxo X₂)
Charge on central atom: 
-2
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: 20
Summary of calculated classifications: 
Fe«V6C4OVIE20B9Z0X8L1»2⊖
[MLXZ]𝘲 class: 
[MX8L1]2-
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[Fe(O)₂]³⊖

Formula Unicode styled: 
[Fe(O)₂]³⊖
Compound name(s): 
dioxo-iron(3-)
Central atom: 
Iron
Attached groups: 
O (oxo X₂)
Charge on central atom: 
-3
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: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
Fe«V1C2OIE15B4Z0L0X4»3⊖
[MLXZ]𝘲 class: 
[MX4]3-
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Fe(NO)₂(Dppe-κ²P)]

Formula Unicode styled: 
[Fe(NO)₂(Dppe-κ²P)]
Compound name(s): 
Dinitrosyl-(1,2-bis(diphenylphosphino)ethane-P,P')-iron
Central atom: 
Iron
Attached groups: 
(NO)₂ (dinitrosyl, (N≡O)₂ tetrahedral Ⓢ)
Dppe (1,2-bis-(diphenylphosphino)ethane-κ²P)
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: 18
Summary of calculated classifications: 
Fe«V2C4O-IIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(NO)(Oep)]⊕

Formula Unicode styled: 
[Fe(NO)(Oep)]⊕
Compound name(s): 
Nitrosyl-octaethylporphinato-iron(1+)
Central atom: 
Iron
Attached groups: 
NO (nitrosyl, linear)
Oep (octaethylporphyrin)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Fe«V6C5OIIE16B7X3L3Z1»⊕
[MLXZ]𝘲 class: 
[MX3L3Z1]+
MLXZ class (ENC, equivalent neutral class): 
MX6L1

[Fe(NO)(Oep)]

Formula Unicode styled: 
[Fe(NO)(Oep)]
Compound name(s): 
Nitrosyl-octaethylporphinato-iron
Central atom: 
Iron
Attached groups: 
NO (nitrosyl X)
Oep (octaethylporphyrin)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
Fe«V3C5OIIIE15B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Fe(NO)(Diars-κ²As)₂]²⊕

Formula Unicode styled: 
[Fe(NO)(Diars-κ²As)₂]²⊕
Compound name(s): 
Nitrosyl-(o-phenylenebis(dimethylarsine)) iron(2+)
Central atom: 
Iron
Attached groups: 
NO (nitrosyl, linear)
Diars (1,2-bis-(dimethylarsino)benzene-κ²As)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Fe«V5C5OIE17B7X1L5Z1»2⊕
[MLXZ]𝘲 class: 
[MX1L5Z1]2+
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Fe(NO)([14]aneN₄-Me₄-κ⁴N)]⊕

Formula Unicode styled: 
[Fe(NO)([14]aneN₄-Me₄-κ⁴N)]⊕
Compound name(s): 
Nitrosyl-(1,4,8,11-tetramethyl-tetra-azacyclotetradecane)-iron(1+)
Central atom: 
Iron
Attached groups: 
NO (nitrosyl, linear)
[14]aneN₄-Me₄ (tetramethyl-1,4,8,11-tetraazacyclotetradecane-κ⁴N)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V4C5OOE18B7X1L5Z1»⊕
[MLXZ]𝘲 class: 
[MX1L5Z1]+
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Fe(NH₃)₆]²⊕

Formula Unicode styled: 
[Fe(NH₃)₆]²⊕
Compound name(s): 
Hexaammineiron(2+)
Central atom: 
Iron
Attached groups: 
NH₃ (ammine)
Charge on central atom: 
2
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V2C6OIIE18B6Z0X0L6»2⊕
[MLXZ]𝘲 class: 
[ML6]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(μ₂-NH₂)(CO)₃]₂

Formula Unicode styled: 
[Fe(μ₂-NH₂)(CO)₃]₂
Compound name(s): 
bis-[(μ₂-Amino)-tricarbonyl-iron]
Central atom: 
Iron
Attached groups: 
NH₂ (μ₂-amino)
CO (carbonyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V2C6OIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(NCS-κN)₆]⁴⊖

Formula Unicode styled: 
[Fe(NCS-κN)₆]⁴⊖
Compound name(s): 
hexakis(isothiocyanato)-iron(4-)
Central atom: 
Iron
Attached groups: 
NCS (isothiocyanato-κN)
Charge on central atom: 
-4
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V2C6OIIE18B6Z0L0X6»4⊖
[MLXZ]𝘲 class: 
[MX6]4-
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe(NCS-κN)₆]³⊖

Formula Unicode styled: 
[Fe(NCS-κN)₆]³⊖
Compound name(s): 
hexakis(isothiocyanato)-iron(3-)
Central atom: 
Iron
Attached groups: 
NCS (isothiocyanato-κN)
Charge on central atom: 
-3
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Fe«V3C6OIIIE17B6Z0L0X6»3⊖
[MLXZ]𝘲 class: 
[MX6]3-
MLXZ class (ENC, equivalent neutral class): 
MX3L3

mer–[Fe(H)(CO)₃{P(OMe)₃}{W(CO)₅}]⊖

Formula Unicode styled: 
mer–[Fe(H)(CO)₃{P(OMe)₃}{W(CO)₅}]⊖
Compound name(s): 
(pentacarbonyl-tungsten)-hydrido-tricarbonyl-trimethylphosphite-iron(1-)
Central atom: 
Iron
Attached groups: 
H (hydrido)
CO (carbonyl)
P(OMe)₃ (trimethylphosphite)
W(CO)₅ (pentacarbonyltungsten)
Charge on central atom: 
-1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V2C6OOE18B6X1L4Z1»⊖
[MLXZ]𝘲 class: 
[MX1L4Z1]-
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans,trans–[Fe(H)₂(SiF₃)₂(η⁶-C₇H₈)]

Formula Unicode styled: 
trans,trans–[Fe(H)₂(SiF₃)₂(η⁶-C₇H₈)]
Compound name(s): 
dihydrido-(η⁶-toluene)-bis(trifluorosilyl)-iron
Central atom: 
Iron
Attached groups: 
H (hydrido)
SiF₃ (trifluorosilyl)
C₇H₈ (toluene)
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V4C7OIVE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

trans,trans–[Fe(H)₂(SiCl₃)₂(η⁶-C₇H₈)]

Formula Unicode styled: 
trans,trans–[Fe(H)₂(SiCl₃)₂(η⁶-C₇H₈)]
Compound name(s): 
dihydrido-(η⁶-toluene)-bis(trichlorosilyl)-iron
Central atom: 
Iron
Attached groups: 
H (hydrido)
SiCl₃ (trichlorosilyl)
C₇H₈ (toluene)
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V4C7OIVE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

trans,trans–[Fe(H)₂(SiCl₃)₂(η⁶-C₆H₆)]

Formula Unicode styled: 
trans,trans–[Fe(H)₂(SiCl₃)₂(η⁶-C₆H₆)]
Compound name(s): 
(η⁶-Benzene)-bis(trichlorosilyl)-dihydrido-iron
Central atom: 
Iron
Attached groups: 
H (hydrido)
SiCl₃ (trichlorosilyl)
C₆H₆ (benzene)
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V4C7OIVE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

trans,trans–[Fe(H)₂(Dppe-κ²P)(Cp)]⊕

Formula Unicode styled: 
trans,trans–[Fe(H)₂(Dppe-κ²P)(Cp)]⊕
Compound name(s): 
dihydrido-(η⁵-pentamethyl-cyclopentadienyl)-(1,2-bis(diphenylphosphino)ethane-P,P')-iron(1+)
Central atom: 
Iron
Attached groups: 
H (hydrido)
Dppe (1,2-bis-(diphenylphosphino)ethane-κ²P)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
1
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Fe«V4C7OIVE18B7Z0X3L4»⊕
[MLXZ]𝘲 class: 
[MX3L4]+
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Fe(NCS-κN)(Oep)]

Formula Unicode styled: 
[Fe(NCS-κN)(Oep)]
Compound name(s): 
Isothiocyanato-octaethylporphinato-pyridine-iron
Central atom: 
Iron
Attached groups: 
NCS (isothiocyanato-κN)
Oep (octaethylporphyrin)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
Fe«V3C5OIIIE15B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2