6-coordinate: ③-●-③ sandwich

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

[Ti(η⁵-P₅)₂]²⊖

Formula Unicode styled: 
[Ti(η⁵-P₅)₂]²⊖
Compound name(s): 
bis(η⁵-pentaphosphacyclopentadienyl)-titanium(2-)
Central atom: 
Charge on central atom: 
-2
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«V0C6OOE16B6Z0X2L4»2⊖
[MLXZ]𝘲 class: 
[MX2L4]2-
MLXZ class (ENC, equivalent neutral class): 
ML6

[Cr(Cp*)₂]⊕

Formula Unicode styled: 
[Cr(Cp*)₂]⊕
Compound name(s): 
bis(pentamethyl-cyclopentadienyl)-chromium(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: 
Cr«V3C6OIIIE15B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Pb{η⁵-C₅H₃(SiMe₃)₂}₂]

Formula Unicode styled: 
[Pb{η⁵-C₅H₃(SiMe₃)₂}₂]
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: 
Pb«V2C6OIIE14B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

catena–1D-[Tl{μ₂-η⁵,η⁵-C₅H₄(SiMe₃)}]

Formula Unicode styled: 
catena–1D-[Tl{μ₂-η⁵,η⁵-C₅H₄(SiMe₃)}]
Compound name(s): 
catena-[(μ-η⁵-trimethylsilyl-cyclopentadienyl)-thallium]
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: 
Tl«V1C6OIE14B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[Si(Cp*)(η⁵-C₅Prⁱ₅)]

Formula Unicode styled: 
[Si(Cp*)(η⁵-C₅Prⁱ₅)]
Compound name(s): 
(η⁵-pentamethyl-cyclopentadienyl)-(η⁵-penta-isopropyl-cyclopentadienyl)-silicon
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: 
Si«V2C6OIIE14B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[V(Cp)(η⁶-C₆H₆)]

Formula Unicode styled: 
[V(Cp)(η⁶-C₆H₆)]
Compound name(s): 
(η⁵-cyclopentadienyl)-(η⁶-benzene)-vanadium
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: 
V«V1C6OIE16B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[V(η⁶-C₆H₆)₂]⊕

Formula Unicode styled: 
[V(η⁶-C₆H₆)₂]⊕
Compound name(s): 
bis(η⁶-benzene)-vanadium(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: 
V«V1C6OIE16B6Z0X0L6»
[MLXZ]𝘲 class: 
[ML6]+
MLXZ class (ENC, equivalent neutral class): 
MX1L5

[Eu(η⁵-C₅Prⁱ₅)₂]

Formula Unicode styled: 
[Eu(η⁵-C₅Prⁱ₅)₂]
Compound name(s): 
Decaisopropyl-europocene
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: 
Eu«V2C6OIIE19B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Tb(η⁵-C₅Prⁱ₅)₂]⊕

Formula Unicode styled: 
[Tb(η⁵-C₅Prⁱ₅)₂]⊕
Compound name(s): 
bis(η⁵-pentaisopropylcyclopentadienyl)-terbium(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: 
Tb«V3C6OIIIE20B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Tb(η⁵-C₅Prⁱ₅)₂]

Formula Unicode styled: 
[Tb(η⁵-C₅Prⁱ₅)₂]
Compound name(s): 
bis(η⁵-pentaisopropylcyclopentadienyl)-terbium
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: 
Tb«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[U(η⁵-C₅Prⁱ₅)₂]

Formula Unicode styled: 
[U(η⁵-C₅Prⁱ₅)₂]
Compound name(s): 
bis-{pentakis(isopropyl)cyclopentadienyl}-uranium
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: 
U«V2C6OIIE16B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Sn(η⁵-C₅Bz₅)₂]

Formula Unicode styled: 
[Sn(η⁵-C₅Bz₅)₂]
Compound name(s): 
bis(η⁵-Pentabenzyl-cyclopentadienyl)-tin
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: 
Sn«V2C6OIIE14B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

[Sr{η⁵-C₅H₂(SiMe₃)₃}₂]

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

[Sr{η⁵-C₅H₂(Buᵗ)₃}₂]

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

catena–1D-[K{μ₂-η⁵,η⁵-C₅H₄(SiMe₃)}]

Formula Unicode styled: 
catena–1D-[K{μ₂-η⁵,η⁵-C₅H₄(SiMe₃)}]
Compound name(s): 
catena-[trimethylsilylcyclopentadienyl-potassium]
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: 
K«V1C6OIE12B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

catena–1D-[K{μ₂-η⁵,η⁵-C₅H₃(SiMe₃)₂}]

Formula Unicode styled: 
catena–1D-[K{μ₂-η⁵,η⁵-C₅H₃(SiMe₃)₂}]
Compound name(s): 
catena-[1,3-bis(trimethylsilyl)cyclopenta-2,4-dienyl-potassium]
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: 
K«V1C6OIE12B6Z0X1L5»
[MLXZ]𝘲 class: 
[MX1L5]
MLXZ class (ENC, equivalent neutral class): 
MX1L5

catena–1D-[K(μ₂-η⁵,η⁵-Cp)]

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

[Ca{η⁵-C₅H₃(SiMe₃)₂}₂]

Formula Unicode styled: 
[Ca{η⁵-C₅H₃(SiMe₃)₂}₂]
Compound name(s): 
bis(η⁵-1,3-bis(Trimethylsilyl)-cyclopentadienyl)-tetrahydrofuran-calcium
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

[Ca{η⁵-C₅H₂(SiMe₃)₃}₂]

Formula Unicode styled: 
[Ca{η⁵-C₅H₂(SiMe₃)₃}₂]
Compound name(s): 
bis(η⁵-1,2,4-tris(trimethylsilyl)cyclopentadienyl)-calcium
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

[Ca{η⁵-C₅H₂(Buᵗ)₃}₂]

Formula Unicode styled: 
[Ca{η⁵-C₅H₂(Buᵗ)₃}₂]
Compound name(s): 
bis(η⁵-1,2,4-Tri-t-butylcyclopentadienyl)-calcium
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