6-coordinate: ③-●-3 piano stool

6-coordinate: 3-3 piano stool
6-coordinate: ③-●-3 piano stool

trans–[Fe(CO)(μ₂-CO)(Cp)]₂

Formula Unicode styled: 
trans–[Fe(CO)(μ₂-CO)(Cp)]₂
Compound name(s): 
bis-[cyclopentadienyl dicarbonyl 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

trans–[Fe(CO)(μ₂-CNPh)(Cp)]₂

Formula Unicode styled: 
trans–[Fe(CO)(μ₂-CNPh)(Cp)]₂
Compound name(s): 
bis-[η⁵-Cyclopentadienyl)-carbonyl-(μ₂-phenylisocyanide)-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

[Fe{Sb(SiMe₃)₂}(CO)₂(Cp*)]

Formula Unicode styled: 
[Fe{Sb(SiMe₃)₂}(CO)₂(Cp*)]
Compound name(s): 
(η⁵-Pentamethylcyclopentadienyl)-dicarbonyl-(bis(trimethylsilyl)-antimony)-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{S₂P(OEt)₂-κS}(CO)₂(Cp)]

Formula Unicode styled: 
[Fe{S₂P(OEt)₂-κS}(CO)₂(Cp)]
Compound name(s): 
Dicarbonyl-(η⁵-cyclopentadienyl)-(O,O'-diethyl dithiophosphato-S)-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{Re(CO)₅}(CO)₂(Cp)]

Formula Unicode styled: 
[Fe{Re(CO)₅}(CO)₂(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-heptacarbonyl-iron-rhenium
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

[Fe{P(OPh)₃}₂(TeMe₂)(Cp)]⊕

Formula Unicode styled: 
[Fe{P(OPh)₃}₂(TeMe₂)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-bis(triphenylphosphite)-dimethyltellurium-iron(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: 
Fe«V2C6OIIE18B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe{P(OMe)₃}₃(Cp)]⊕

Formula Unicode styled: 
[Fe{P(OMe)₃}₃(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-tris(trimethylphosphite-P)-iron(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: 
Fe«V2C6OIIE18B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe{P(OMe)₃}₂(SMe₂)(Cp)]⊕

Formula Unicode styled: 
[Fe{P(OMe)₃}₂(SMe₂)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-(dimethyl thioether-S)-bis(trimethylphosphite)-iron(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: 
Fe«V2C6OIIE18B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe{P(OMe)₃}₂(SbPh₃)(Cp)]⊕

Formula Unicode styled: 
[Fe{P(OMe)₃}₂(SbPh₃)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-triphenylstibine-bis(trimethylphosphite-P)-iron(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: 
Fe«V2C6OIIE18B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe{P(CF₃)₂}(CO)₂(Cp)]

Formula Unicode styled: 
[Fe{P(CF₃)₂}(CO)₂(Cp)]
Compound name(s): 
Dicarbonyl-(pi-cyclopentadienyl)(bis(trifluoromethyl)phosphino) 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{Mn(CO)₅}(CO)₂(Cp)]

Formula Unicode styled: 
[Fe{Mn(CO)₅}(CO)₂(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-dicarbonyl-iron-pentacarbonyl-manganese
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

[Fe{Cr(CO)₃Cp}(CO)₂(Cp)]

Formula Unicode styled: 
[Fe{Cr(CO)₃Cp}(CO)₂(Cp)]
Compound name(s): 
Pentacarbonyl-bis(η⁵-cyclopentadienyl)-chromium-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

[Fe{CH₂(SMe)₂}(CO)₂(Cp)]⊕

Formula Unicode styled: 
[Fe{CH₂(SMe)₂}(CO)₂(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-((dimethylsulfonium)-methyl)-dicarbonyl-iron(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: 
Fe«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Fe{CH(SCH₂CH₂S)}(CO)₂(Cp)]

Formula Unicode styled: 
[Fe{CH(SCH₂CH₂S)}(CO)₂(Cp)]
Compound name(s): 
Dicarbonyl-(2,5-dithiacyclopentyl)-(η⁵-cyclopentadienyl)-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{CH(SCH₂CH₂S)}(CO)(PPh₃)(Cp)]

Formula Unicode styled: 
[Fe{CH(SCH₂CH₂S)}(CO)(PPh₃)(Cp)]
Compound name(s): 
Carbonyl-(2,5-dithiacyclopentyl)-(η⁵-cyclopentadienyl)-triphenylphosphine-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(O₂CH-κO)(CO)₂(Cp)]

Formula Unicode styled: 
[Fe(O₂CH-κO)(CO)₂(Cp)]
Compound name(s): 
Dicarbonyl-(η⁵-cyclopentadienyl)-formato-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(SPh)(CO)₂(Cp)]

Formula Unicode styled: 
[Fe(SPh)(CO)₂(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-dicarbonyl-(phenylthiolato)-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(SnPh₃)(CO){C(OCOPh)Ph}(Cp)]

Formula Unicode styled: 
[Fe(SnPh₃)(CO){C(OCOPh)Ph}(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-(benzoyloxy(phenyl)methylidene)-carbonyl-(triphenyl-stannyl)-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(SnPh₃)(CO){C(OCOMe)Ph}(Cp)]

Formula Unicode styled: 
[Fe(SnPh₃)(CO){C(OCOMe)Ph}(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-(acetoxy(phenyl)methylidene)-carbonyl-(triphenyl-stannyl)-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(SnI₃)(CO)₂(Cp)]

Formula Unicode styled: 
[Fe(SnI₃)(CO)₂(Cp)]
Compound name(s): 
Dicarbonyl-cyclopentadienyl(triiodostannyl) 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