8-coordinate: ④-●-④ metallocene

[Tb{η⁸-C₈H₆(SiMe₃)₂}₂]⊖

Formula Unicode styled: 
[Tb{η⁸-C₈H₆(SiMe₃)₂}₂]⊖
Compound name(s): 
bis(1,4-bis(trimethylsilyl)cyclooctatetraenyl)-terbium(1-)
Central atom: 
Terbium
Attached groups: 
C₈H₆(SiMe₃)₂ (η⁸-bistrimethylsilyl-cyclooctatetraene)
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: 28
Summary of calculated classifications: 
Tb«V3C8OIIIE28B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7

[Dy{η⁸-C₈H₆(SiMe₃)₂}₂]⊖

Formula Unicode styled: 
[Dy{η⁸-C₈H₆(SiMe₃)₂}₂]⊖
Compound name(s): 
bis((η⁸-1,4-bis(trimethylsilyl)cyclooctatetraenide)-dysprosium(1-)
Central atom: 
Dysprosium
Attached groups: 
C₈H₆(SiMe₃)₂ (η⁸-bistrimethylsilyl-cyclooctatetraene)
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: 29
Summary of calculated classifications: 
Dy«V3C8OIIIE29B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7

[Pu{η⁸-C₈H₆(SiMe₃)₂}₂]

Formula Unicode styled: 
[Pu{η⁸-C₈H₆(SiMe₃)₂}₂]
Compound name(s): 
(1,3-bis(trimethylsilyl)cyclooctatetraenyl)-(1,4-bis(trimethylsilyl)cyclooctatetraenyl)-plutonium
Central atom: 
Plutonium
Attached groups: 
C₈H₆(SiMe₃)₂ (η⁸-bistrimethylsilyl-cyclooctatetraene)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 24
Summary of calculated classifications: 
Pu«V4C8OIVE24B10Z0X4L6»
[MLXZ]𝘲 class: 
[MX4L6]
MLXZ class (ENC, equivalent neutral class): 
MX4L6

[Ho{η⁸-C₈H₆(SiMe₃)₂}₂]⊖

Formula Unicode styled: 
[Ho{η⁸-C₈H₆(SiMe₃)₂}₂]⊖
Compound name(s): 
bis(cycloocta-1,3,5,7-tetraene-1,4-diylbis(trimethylsilane))-holmium(1-)
Central atom: 
Holmium
Attached groups: 
C₈H₆(SiMe₃)₂ (η⁸-bistrimethylsilyl-cyclooctatetraene)
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: 30
Summary of calculated classifications: 
Ho«V3C8OIIIE30B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7

[Er(η⁸-Cot)₂]⊖

Formula Unicode styled: 
[Er(η⁸-Cot)₂]⊖
Compound name(s): 
bis(η⁸-cyclo-octatetraenyl)-erbium(1-)
Central atom: 
Erbium
Attached groups: 
Cot (η⁸-cyclooctatetraene)
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: 31
Summary of calculated classifications: 
Er«V3C8OIIIE31B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7

[Eu(η⁸-Cot)₂]²⊖

Formula Unicode styled: 
[Eu(η⁸-Cot)₂]²⊖
Compound name(s): 
bis(η⁸-Cyclo-octatetraenyl)-europium(2-)
Central atom: 
Europium
Attached groups: 
Cot (η⁸-cyclooctatetraene)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 27
Summary of calculated classifications: 
Eu«V2C8OIIE27B10Z0X4L6»2⊖
[MLXZ]𝘲 class: 
[MX4L6]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L8

[Sm{η⁸-C₈H₆(SiMe₃)₂}₂]⊖

Formula Unicode styled: 
[Sm{η⁸-C₈H₆(SiMe₃)₂}₂]⊖
Compound name(s): 
bis(η⁸-1,4-bis(trimethylsilyl)cyclo-octatetraene)-samarium(1-)
Central atom: 
Samarium
Attached groups: 
C₈H₆(SiMe₃)₂ (η⁸-bistrimethylsilyl-cyclooctatetraene)
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: 25
Summary of calculated classifications: 
Sm«V3C8OIIIE25B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7

[Sm(η⁸-Cot)₂]⊖

Formula Unicode styled: 
[Sm(η⁸-Cot)₂]⊖
Compound name(s): 
bis(cyclooctatetraenyl)-samarium(1-)
Central atom: 
Samarium
Attached groups: 
Cot (η⁸-cyclooctatetraene)
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: 25
Summary of calculated classifications: 
Sm«V3C8OIIIE25B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7

[Nd{η⁸-C₈H₆(SiMe₃)₂}₂]⊖

Formula Unicode styled: 
[Nd{η⁸-C₈H₆(SiMe₃)₂}₂]⊖
Compound name(s): 
bis(η⁸-1,4-bis(trimethylsilyl)cyclooctatetraenediide)-neodymium(1-)
Central atom: 
Neodymium
Attached groups: 
C₈H₆(SiMe₃)₂ (η⁸-bistrimethylsilyl-cyclooctatetraene)
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: 23
Summary of calculated classifications: 
Nd«V3C8OIIIE23B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7

[Ce{η⁸-C₈H₅(SiMe₃)₃}₂]⊖

Formula Unicode styled: 
[Ce{η⁸-C₈H₅(SiMe₃)₃}₂]⊖
Compound name(s): 
bis(η8-1,3,6-tris(Trimethylsilyl)cyclo-octatetraene)-cerium(1-)
Central atom: 
Cerium
Attached groups: 
C₈H₅(SiMe₃)₃ (η⁸-tristrimethylsilyl-cyclooctatetraene)
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: 
Ce«V3C8OIIIE21B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7

[Ce{η⁸-C₈H₅(SiMe₃)₃}₂]

Formula Unicode styled: 
[Ce{η⁸-C₈H₅(SiMe₃)₃}₂]
Compound name(s): 
bis(η8-1,3,6-tris(Trimethylsilyl)cyclo-octatetraene)-cerium
Central atom: 
Cerium
Attached groups: 
C₈H₅(SiMe₃)₃ (η⁸-tristrimethylsilyl-cyclooctatetraene)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 20
Summary of calculated classifications: 
Ce«V4C8OIVE20B10Z0X4L6»
[MLXZ]𝘲 class: 
[MX4L6]
MLXZ class (ENC, equivalent neutral class): 
MX4L6

[Tm(η⁸-Cot)₂]⊖

Formula Unicode styled: 
[Tm(η⁸-Cot)₂]⊖
Compound name(s): 
bis(cyclooctatetraenyl)-thulium(1-)
Central atom: 
Thulium
Attached groups: 
Cot (η⁸-cyclooctatetraene)
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: 32
Summary of calculated classifications: 
Tm«V3C8OIIIE32B10Z0X4L6»⊖
[MLXZ]𝘲 class: 
[MX4L6]-
MLXZ class (ENC, equivalent neutral class): 
MX3L7