7-coordinate: ③-●-4 piano stool

7-coordinate: ③-●-4 piano stool
7-coordinate: 3-4 piano stool

trans–[Cr(μ₂-SPh)(NO)(Cp)]₂

Formula Unicode styled: 
trans–[Cr(μ₂-SPh)(NO)(Cp)]₂
Compound name(s): 
bis-[(μ₂-Phenylthio)-nitrosyl-(η⁵-cyclopentadienyl)-chromium(Cr—Cr)]
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: 
Cr«V6C7OIE18B9X4L4Z1»
[MLXZ]𝘲 class: 
[MX4L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[Ti(μ₂-O₂CMe)₂(Cp*)]₂

Formula Unicode styled: 
[Ti(μ₂-O₂CMe)₂(Cp*)]₂
Compound name(s): 
bis-[(bis(μ₂-Acetato-O,O')-(η⁵-pentamethyl-cyclopentadienyl)-titanium]
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: 
Ti«V3C7OIIIE15B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Ti(SPh)(μ₃-SCH₂CH₂S)(Cp)]₂

Formula Unicode styled: 
[Ti(SPh)(μ₃-SCH₂CH₂S)(Cp)]₂
Compound name(s): 
bis-[(μ₂-1,2-Ethanedithiolato)-(η⁵-cyclopentadienyl)-(phenylthiolato)-titanium]
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: 
Ti«V4C7OIVE14B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Ti(SBz)₂(μ₂-SBz)(Cp)]₂

Formula Unicode styled: 
[Ti(SBz)₂(μ₂-SBz)(Cp)]₂
Compound name(s): 
bis-[(μ₂-Benzylthio)-(benzylthio)-(η⁵-cyclopentadienyl)-titanium]
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: 
Ti«V4C7OIVE14B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Ti(F)₂(μ₂-F)(Cp*)]₂

Formula Unicode styled: 
[Ti(F)₂(μ₂-F)(Cp*)]₂
Compound name(s): 
bis-[μ₂-Fluoro)-(η⁵-pentamethylcyclopentadienyl)-difluoro-titanium]
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: 
Ti«V4C7OIVE14B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Ti(F)₂(μ₂-OMe)(Cp*)]₂

Formula Unicode styled: 
[Ti(F)₂(μ₂-OMe)(Cp*)]₂
Compound name(s): 
bis-[(μ₂-Methoxo)-difluoro-(η⁵-pentamethylcyclopentadienyl)-titanium]
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: 
Ti«V4C7OIVE14B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Ti(Cl)(μ₂-Cl)(OH₂)(Cp*)]₂

Formula Unicode styled: 
[Ti(Cl)(μ₂-Cl)(OH₂)(Cp*)]₂
Compound name(s): 
bis-[(μ-chloro)-aqua-chloro-(pentamethylcyclopentadienyl)-titanium]
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: 
Ti«V3C7OIIIE15B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Ti(Cl)(μ₃-SCH₂CH₂S)(Cp)]₂

Formula Unicode styled: 
[Ti(Cl)(μ₃-SCH₂CH₂S)(Cp)]₂
Compound name(s): 
bis-[(μ₂-Ethane-1,2-dithiolato)-(η⁵-cyclopentadienyl)-chloro-titanium]
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: 
Ti«V4C7OIVE14B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Ta(Ph)(μ₂-S)(Cp*)]₂

Formula Unicode styled: 
[Ta(Ph)(μ₂-S)(Cp*)]₂
Compound name(s): 
bis-[(μ-sulfido)-phenyl-(η⁵-pentamethylcyclopentadienyl)-tantalum(Ta—Ta)]
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: 
Ta«V5C7OIVE14B7Z0X5L2»
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Ta(Me)(μ₂-S)(Cp*)]₂

Formula Unicode styled: 
[Ta(Me)(μ₂-S)(Cp*)]₂
Compound name(s): 
bis-[(μ-sulfido)-(η⁵-pentamethylcyclopentadienyl)-methyl-tantalum(Ta—Ta)]
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: 
Ta«V5C7OIVE16B8Z0X5L3»
[MLXZ]𝘲 class: 
[MX5L3]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Ta(Cl)₂(μ₂-Cl)(Cp*)]₂

Formula Unicode styled: 
[Ta(Cl)₂(μ₂-Cl)(Cp*)]₂
Compound name(s): 
bis-[(μ-chloro)-dichloro-(pentamethylcyclopentadienyl)-tantalum]
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: 
Ta«V4C7OIVE15B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Ta(Cl)(μ₂-S)(Cp*)]₂

Formula Unicode styled: 
[Ta(Cl)(μ₂-S)(Cp*)]₂
Compound name(s): 
bis-[(μ-sulfido)-(chloro)-(η⁵-pentamethylcyclopentadienyl)-tantalum(Ta—Ta)]
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: 
Ta«V5C7OIVE16B8Z0X5L3»
[MLXZ]𝘲 class: 
[MX5L3]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Ta(μ₂-Cl)(CO)₂(Cp*)]₂

Formula Unicode styled: 
[Ta(μ₂-Cl)(CO)₂(Cp*)]₂
Compound name(s): 
bis-[(μ₂-Chloro)-dicarbonyl-(η⁵-pentamethyl-cyclopentadienyl)-tantalum]
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: 
Ta«V2C7OIIE17B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[Ta(Cl)(μ₂-NPh)(Cp*)]₂

Formula Unicode styled: 
[Ta(Cl)(μ₂-NPh)(Cp*)]₂
Compound name(s): 
bis-[chloro-(μ₂-phenylimido)-(η⁵-pentamethyl-cyclopentadienyl)-tantalum(Ta—Ta)]
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: 
Ta«V5C7OIVE16B8Z0X5L3»
[MLXZ]𝘲 class: 
[MX5L3]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Ta(Br)₂(μ₂-Br)(η⁵-C₅EtMe₄)]₂

Formula Unicode styled: 
[Ta(Br)₂(μ₂-Br)(η⁵-C₅EtMe₄)]₂
Compound name(s): 
bis-[(μ₂-Bromo)-dibromo-(η⁵-ethyltetramethyl-cyclopentadienyl)-tantalum]
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: 
Ta«V4C7OIVE15B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Ta(μ₂-Br)₂(Cp*)]₂

Formula Unicode styled: 
[Ta(μ₂-Br)₂(Cp*)]₂
Compound name(s): 
bis-[bis(μ₂-Bromo)-(η⁵-pentamethyl-cyclopentadienyl)-tantalum(Nb=Nb)]
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: 
Ta«V5C7OIIIE18B9Z0X5L4»
[MLXZ]𝘲 class: 
[MX5L4]
MLXZ class (ENC, equivalent neutral class): 
MX5L4

[Nb(μ₂-Cl)(TolC≡CTol)(η⁵-C₅H₄Me)]₂

Formula Unicode styled: 
[Nb(μ₂-Cl)(TolC≡CTol)(η⁵-C₅H₄Me)]₂
Compound name(s): 
bis-[(μ₂-Chloro)-(η²-di-p-tolyl-acetylene)-(η⁵-methylcyclopentadienyl)-niobium(Nb—Nb)]
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: 
Nb«V3C7OIIE16B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Mo{Au(PPh₃)}(CO)₃(Cp)]

Formula Unicode styled: 
[Mo{Au(PPh₃)}(CO)₃(Cp)]
Compound name(s): 
(η⁵-Cyclopentadienyl)-tricarbonyl-(triphenylphosphine-gold)-molybdenum
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: 
Mo«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[Mo(μ₂-SEt)(NO)(Cp)]₂

Formula Unicode styled: 
[Mo(μ₂-SEt)(NO)(Cp)]₂
Compound name(s): 
bis-[(μ₂-Thioethyl)-nitrosyl-(η⁵-cyclopentadienyl)-molybdenum(Mo—Mo)]
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: 
Mo«V6C7OIE18B9X4L4Z1»
[MLXZ]𝘲 class: 
[MX4L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[Mo(μ₂-SBuᵗ)(CO)(Cp)]₂

Formula Unicode styled: 
[Mo(μ₂-SBuᵗ)(CO)(Cp)]₂
Compound name(s): 
bis-[(μ₂-t-Butylthio)-(η⁵-cyclopentadienyl)-carbonyl-molybdenum(Mo=Mo)]
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: 
Mo«V4C7OIIE18B8Z0X4L4»
[MLXZ]𝘲 class: 
[MX4L4]
MLXZ class (ENC, equivalent neutral class): 
MX4L4