6-coordinate: ③-●-③ sandwich

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

[Yb{η⁵-C₅H₃(Buᵗ)₂}₂]

Formula Unicode styled: 
[Yb{η⁵-C₅H₃(Buᵗ)₂}₂]
Compound name(s): 
bis(1,3-Di-t-butylcyclopentadienyl)-ytterbium
Central atom: 
Ytterbium
Attached groups: 
C₅H₃(Buᵗ)₂ (η⁵-bis(t-butyl)cyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 26
Summary of calculated classifications: 
Yb«V2C6OIIE26B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Yb(η⁵-C₅Ph₅)₂]

Formula Unicode styled: 
[Yb(η⁵-C₅Ph₅)₂]
Compound name(s): 
bis(eta⁵-Pentaphenylcyclopentadienyl)-ytterbium
Central atom: 
Ytterbium
Attached groups: 
C₅Ph₅ (η⁵-pentaphenylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 26
Summary of calculated classifications: 
Yb«V2C6OIIE26B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Ti(Cp*)₂]

Formula Unicode styled: 
[Ti(Cp*)₂]
Compound name(s): 
bis(eta-pentamethylcyclopentadienyl)-titanium
Central atom: 
Titanium
Attached groups: 
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
Ti«V2C6OIIE14B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[V(Cp)₂]

Formula Unicode styled: 
[V(Cp)₂]
Compound name(s): 
Vanadocene
Central atom: 
Vanadium
Attached groups: 
Cp (η⁵-cyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
V«V2C6OIIE15B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[V(Cp*)₂]

Formula Unicode styled: 
[V(Cp*)₂]
Compound name(s): 
bis(η-Pentamethyl-cyclopentadienyl)-vanadium
Central atom: 
Vanadium
Attached groups: 
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
V«V2C6OIIE15B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Tm{η⁵-C₅H₂(Buᵗ)₃}₂]⊕

Formula Unicode styled: 
[Tm{η⁵-C₅H₂(Buᵗ)₃}₂]⊕
Compound name(s): 
bis(1,2,4-tri-t-butyl-cyclopentadienyl)-thulium(1+)
Central atom: 
Thulium
Attached groups: 
C₅H₂(Buᵗ)₃ (η⁵-tris(t-butyl)cyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 24
Summary of calculated classifications: 
Tm«V3C6OIIIE24B6Z0X2L4»⊕
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Tm(C₄PMe₂Buᵗ₂)₂]

Formula Unicode styled: 
[Tm(C₄PMe₂Buᵗ₂)₂]
Compound name(s): 
bis(η⁵-2,5-Di-t-butyl-3,4-dimethylphospholide)-thulium
Central atom: 
Thulium
Attached groups: 
C₄PMe₂Buᵗ₂ (η⁵-2,5-di-t-butyl-3,4-dimethylphospholido)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 25
Summary of calculated classifications: 
Tm«V2C6OIIE25B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Cr(Cp*)₂]⊕

Formula Unicode styled: 
[Cr(Cp*)₂]⊕
Compound name(s): 
bis(η-Pentamethyl-cyclopentadienyl)-chromium(1+)
Central atom: 
Chromium
Attached groups: 
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
Cr«V3C6OIIIE15B6Z0X2L4»⊕
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Cr(η⁶-C₆H₆)₂]

Formula Unicode styled: 
[Cr(η⁶-C₆H₆)₂]
Compound name(s): 
dibenzene chromium
Central atom: 
Chromium
Attached groups: 
C₆H₆ (benzene)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 0
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: 
Cr«V0C6OOE18B6Z0X0L6»
[MLXZ]𝘲 class: 
[ML6]
MLXZ class (ENC, equivalent neutral class): 
ML6

[Cr(η⁶-C₆H₆)₂]⊕

Formula Unicode styled: 
[Cr(η⁶-C₆H₆)₂]⊕
Compound name(s): 
dibenzene chromium(1+)
Central atom: 
Chromium
Attached groups: 
C₆H₆ (benzene)
Charge on central atom: 
1
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Cr«V1C6OIE17B6Z0X0L6»⊕
[MLXZ]𝘲 class: 
[ML6]+
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[Os(Cp)₂]

Formula Unicode styled: 
[Os(Cp)₂]
Compound name(s): 
osmocene|dicyclopentadienyl osmium|cyclopentadienyl osmium|osmium(II) cyclopentadienide
Central atom: 
Osmium
Attached groups: 
Cp (η⁵-cyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(Cp*)₂]

Formula Unicode styled: 
[Os(Cp*)₂]
Compound name(s): 
pentamethylosmocene|pentamethylcyclopentadienyl osmium|dipentamethylcyclopentadienyl osmium|osmium(II) pentamethylcyclopentadienide|permethylosmocene
Central atom: 
Osmium
Attached groups: 
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(Cp)(Cp*)]

Formula Unicode styled: 
[Os(Cp)(Cp*)]
Compound name(s): 
(η-Cyclopentadienyl)-(η-pentamethylcyclopentadienyl)-osmium
Central atom: 
Osmium
Attached groups: 
Cp (η⁵-cyclopentadienyl)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Os«V2C6OIIE18B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Os(Cp*)₂]⊕

Formula Unicode styled: 
[Os(Cp*)₂]⊕
Compound name(s): 
Decamethyl-osmocene(1+)
Central atom: 
Osmium
Attached groups: 
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Os«V3C6OIIIE17B6Z0X2L4»⊕
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[W(η⁶-C₇H₈)₂]

Formula Unicode styled: 
[W(η⁶-C₇H₈)₂]
Compound name(s): 
bis(η-Toluene)-tungsten
Central atom: 
Tungsten
Attached groups: 
C₇H₈ (toluene)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 0
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: 
W«V0C6OOE18B6Z0X0L6»
[MLXZ]𝘲 class: 
[ML6]
MLXZ class (ENC, equivalent neutral class): 
ML6

[W(η⁶-C₆F₆)₂]

Formula Unicode styled: 
[W(η⁶-C₆F₆)₂]
Compound name(s): 
bis(η-Perfluorobenzene)-tungsten
Central atom: 
Tungsten
Attached groups: 
C₆F₆ (hexafluorobenzene)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 0
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: 
W«V0C6OOE18B6Z0X0L6»
[MLXZ]𝘲 class: 
[ML6]
MLXZ class (ENC, equivalent neutral class): 
ML6

[Re(Cp)₂]⊕

Formula Unicode styled: 
[Re(Cp)₂]⊕
Compound name(s): 
bis(eta-Cyclopentadienyl)-rhenium(1+)
Central atom: 
Rhenium
Attached groups: 
Cp (η⁵-cyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Re«V3C6OIIIE16B6Z0X2L4»⊕
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Re(Cp*)₂]

Formula Unicode styled: 
[Re(Cp*)₂]
Compound name(s): 
Decamethyl-rhenocene
Central atom: 
Rhenium
Attached groups: 
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Re«V2C6OIIE17B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Re(η⁶-C₆H₆)₂]⊕

Formula Unicode styled: 
[Re(η⁶-C₆H₆)₂]⊕
Compound name(s): 
bis(eta-benzene)-rhenium(1+)
Central atom: 
Rhenium
Attached groups: 
C₆H₆ (benzene)
Charge on central atom: 
1
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Re«V1C6OIE18B6Z0X0L6»⊕
[MLXZ]𝘲 class: 
[ML6]+
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[Re(Br)₂(≡CBuᵗ)(Cp*)]

Formula Unicode styled: 
[Re(Br)₂(≡CBuᵗ)(Cp*)]
Compound name(s): 
Dibromo-(eta-pentamethyl-cyclopentadienyl)-neopentylidyne-rhenium
Central atom: 
Rhenium
Attached groups: 
Br (bromo)
≡CBuᵗ (neopentylidyne)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Re«V6C6OVIE17B8Z0X6L2»
[MLXZ]𝘲 class: 
[MX6L2]
MLXZ class (ENC, equivalent neutral class): 
MX6L2