6-coordinate: ③-●-③ sandwich

6-coordinate: ③-●-③ sandwich
6-coordinate: metallocene

[Ca(Cp*)₂]

Formula Unicode styled: 
[Ca(Cp*)₂]
Compound name(s): 
bis(η5-Pentamethyl-cyclopentadienyl)-calcium|Decamethyl-calcocene
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: 
Ca«V2C6OIIE12B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Mg(η⁵-C₅HMe₄)₂]

Formula Unicode styled: 
[Mg(η⁵-C₅HMe₄)₂]
Compound name(s): 
bis(eta-Tetramethyl-cyclopentadienyl)-magnesium
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: 
Mg«V2C6OIIE12B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Mg(η⁵-C₅H₄Buᵗ)₂]

Formula Unicode styled: 
[Mg(η⁵-C₅H₄Buᵗ)₂]
Compound name(s): 
bis(eta-t-Butylcyclopentadienyl)-magnesium
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: 
Mg«V2C6OIIE12B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Li(Cp)₂]⊖

Formula Unicode styled: 
[Li(Cp)₂]⊖
Compound name(s): 
bis(η⁵-cyclopentadienyl)-lithium(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: 
Li«V1C6OIE12B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]-
MLXZ class (ENC, equivalent neutral class): 
MX1L5

catena–1D-[Rb(μ₂-η⁵,η⁵-Cp*)]

Formula Unicode styled: 
catena–1D-[Rb(μ₂-η⁵,η⁵-Cp*)]
Compound name(s): 
catena-[(μ₂-η⁵,η⁵-Pentamethylcyclopentadienide)-rubidium]
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: 
Rb«V1C6OIE12B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

catena–1D-[Rb(μ₂-η⁵,η⁵-Cp)]

Formula Unicode styled: 
catena–1D-[Rb(μ₂-η⁵,η⁵-Cp)]
Compound name(s): 
catena-[(η⁵-Cyclopentadienyl)-rubidium]
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: 
Rb«V1C6OIE12B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

catena–1D-[Na(μ₂-η⁵,η⁵-Cp*)]

Formula Unicode styled: 
catena–1D-[Na(μ₂-η⁵,η⁵-Cp*)]
Compound name(s): 
catena-[(μ₂-η⁵,η⁵-pentamethylyclopentadienyl)-sodium]
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: 
Na«V1C6OIE12B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

catena–1D-[Na(μ₂-η⁵,η⁵-Cp)]

Formula Unicode styled: 
catena–1D-[Na(μ₂-η⁵,η⁵-Cp)]
Compound name(s): 
catena-[(μ₂-η⁵,η⁵-Cyclopentadienyl)-sodium]
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: 
Na«V1C6OIE12B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[Ba{η⁵-C₅H₂(Buᵗ)₃}₂]

Formula Unicode styled: 
[Ba{η⁵-C₅H₂(Buᵗ)₃}₂]
Compound name(s): 
bis(η⁵-1,2,4-tris(t-Butyl)-cyclopentadienyl)-barium
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: 
Ba«V2C6OIIE12B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Ba(η⁵-C₅Ph₅)₂]

Formula Unicode styled: 
[Ba(η⁵-C₅Ph₅)₂]
Compound name(s): 
bis(η⁵-Pentaphenylcyclopentadienyl)-barium
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: 
Ba«V2C6OIIE12B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Dy(Cp*)₂]⊕

Formula Unicode styled: 
[Dy(Cp*)₂]⊕
Compound name(s): 
bis(pentamethylcyclopentadienyl)-dysprosium(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: 
Dy«V3C6OIIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Dy{η⁵-C₅H₂(Buᵗ)₃}₂]⊕

Formula Unicode styled: 
[Dy{η⁵-C₅H₂(Buᵗ)₃}₂]⊕
Compound name(s): 
bis(1,2,4-tri-t-butylcyclopentadienyl)-dysprosium(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: 
Dy«V3C6OIIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Ru(Cp*)(η⁶-C₆H₆)]⊕

Formula Unicode styled: 
[Ru(Cp*)(η⁶-C₆H₆)]⊕
Compound name(s): 
(η⁶-Benzene)-(η⁵-pentamethyl-cyclopentadienyl)-ruthenium(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: 
Ru«V2C6OIIE18B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

catena–1D-[Cs(μ₂-η⁵,η⁵-Cp)]

Formula Unicode styled: 
catena–1D-[Cs(μ₂-η⁵,η⁵-Cp)]
Compound name(s): 
catena-[(μ₂-η⁵,η⁵-Cyclopentadienyl)-cesium]
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: 
Cs«V1C6OIE12B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[Ba{η⁵-C₅H₂(SiMe₃)₃}₂]

Formula Unicode styled: 
[Ba{η⁵-C₅H₂(SiMe₃)₃}₂]
Compound name(s): 
bis(η⁵-1,2,4-tris(trimethylsilyl)cyclopentadienyl)-barium
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: 
Ba«V2C6OIIE12B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Ba(Cp*)₂]

Formula Unicode styled: 
[Ba(Cp*)₂]
Compound name(s): 
bis(η⁵-Pentamethyl-cyclopentadienyl)-barium
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: 
Ba«V2C6OIIE12B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Ho{η⁵-C₅H₂(Buᵗ)₃}₂]⊕

Formula Unicode styled: 
[Ho{η⁵-C₅H₂(Buᵗ)₃}₂]⊕
Compound name(s): 
bis(1,2,4-tri-t-butyl-cyclopentadienyl)-holmium(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: 
Ho«V3C6OIIIE22B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Er{η⁵-C₅H₂(Buᵗ)₃}₂]⊕

Formula Unicode styled: 
[Er{η⁵-C₅H₂(Buᵗ)₃}₂]⊕
Compound name(s): 
bis(1,2,4-tri-t-butyl-cyclopentadienyl)-erbium(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: 
Er«V3C6OIIIE23B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Gd{η⁵-C₅H₂(Buᵗ)₃}₂]⊕

Formula Unicode styled: 
[Gd{η⁵-C₅H₂(Buᵗ)₃}₂]⊕
Compound name(s): 
bis(1,2,4-tri-t-butyl-cyclopentadienyl)-gadolinium(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: 
Gd«V3C6OIIIE19B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Gd(η⁶-C₆H₃Buᵗ₃)₂]

Formula Unicode styled: 
[Gd(η⁶-C₆H₃Buᵗ₃)₂]
Compound name(s): 
bis(η⁶-1,3,5-Tri-t-butylbenzene)-gadolinium
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: 
Gd«V0C6OOE22B6Z0X0L6»
[MLXZ]𝘲 class: 
[ML6]
MLXZ class (ENC, equivalent neutral class): 
ML6