7-coordinate: ③-●-4 piano stool

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

[Ho(μ₂-Me)₂(Cp*)]₃

Formula Unicode styled: 
[Ho(μ₂-Me)₂(Cp*)]₃
Compound name(s): 
tris-[di(μ-methyl)-(pentamethyl-cyclopentadienyl)-holmium]
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: 
Ho«V3C7OIIIE24B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Tm(Cl)₂(Dme)(η⁵-C₅HPrⁱ₄)]

Formula Unicode styled: 
[Tm(Cl)₂(Dme)(η⁵-C₅HPrⁱ₄)]
Compound name(s): 
dichloro-(η⁵-tetraisopropylcyclopentadienyl)-(1,2-dimethoxyethane)-thulium
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: 
Tm«V3C7OIIIE26B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Tb(μ₂-Me)₂(Cp*)]₃

Formula Unicode styled: 
[Tb(μ₂-Me)₂(Cp*)]₃
Compound name(s): 
tris-[di(μ-methyl)-(pentamethyl-cyclopentadienyl)-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«V3C7OIIIE22B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

cis–[Yb(μ₂-F)(Thf)₂(η⁵-C₅HPh₄)]₂

Formula Unicode styled: 
cis–[Yb(μ₂-F)(Thf)₂(η⁵-C₅HPh₄)]₂
Compound name(s): 
bis-[(mu-fluoro)-(η⁵-tetraphenylcyclopentadienyl)-di(tetrahydrofuran)-ytterbium]
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: 
Yb«V2C7OIIE28B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

cis–[Yb(μ₂-Br)(Thf)₂(η⁵-C₅HPh₄)]₂

Formula Unicode styled: 
cis–[Yb(μ₂-Br)(Thf)₂(η⁵-C₅HPh₄)]₂
Compound name(s): 
bis-[(mu-bromo)-(η⁵-tetraphenylcyclopentadienyl)-di(tetrahydrofuran)-ytterbium]
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: 
Yb«V2C7OIIE28B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[Sc(Ind)(Oep)]

Formula Unicode styled: 
[Sc(Ind)(Oep)]
Compound name(s): 
(η⁵-indenyl)-(octaethylporphyrin)-scandium
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: 
Sc«V3C7OIIIE14B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Re(CO)₂(Cp*)]₂

Formula Unicode styled: 
[Re(CO)₂(Cp*)]₂
Compound name(s): 
bis-[(Dicarbonyl-(η⁵-pentamethyl-cyclopentadienyl)-rhenium(Re=Re)]
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: 
Re«V3C7OIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Re(Cl)(μ₂-Cl)(η⁵-C₅EtMe₄)]₂

Formula Unicode styled: 
[Re(Cl)(μ₂-Cl)(η⁵-C₅EtMe₄)]₂
Compound name(s): 
bis-[(μ₂-Chloro)-chloro-(η⁵-ethyltetramethyl-cyclopentadienyl)-rhenium(Re=Re)]
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: 
Re«V5C7OIIIE18B8Z0X5L3»
[MLXZ]𝘲 class: 
[MX5L3]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Re(Cl)(CO)(Cp*)]₂

Formula Unicode styled: 
[Re(Cl)(CO)(Cp*)]₂
Compound name(s): 
bis-[(μ₂-Carbonyl)-(η⁵-pentamethyl-cyclopentadienyl)-chloro-rhenium(Re≡Re)]
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: 
Re«V5C7OIIE18B8Z0X5L3»
[MLXZ]𝘲 class: 
[MX5L3]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

[Os(H)₂(η⁶-C₆H₃Me₃)]₂

Formula Unicode styled: 
[Os(H)₂(η⁶-C₆H₃Me₃)]₂
Compound name(s): 
bis-[(μ₂-Hydrido)-hydrido-(η⁶-mesitylene)-osmium(Os=Os)]
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: 
Os«V4C7OIIE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Os(H)(CO)(Cp*)]₂

Formula Unicode styled: 
[Os(H)(CO)(Cp*)]₂
Compound name(s): 
bis-[(μ2-Hydrido)-carbonyl-(η5-pentamethyl-cyclopentadienyl)-osmium(Os=Os)]
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: 
Os«V4C7OIIE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Zr(Cl)₂(μ₂-Cl)(Cp*)]₂

Formula Unicode styled: 
[Zr(Cl)₂(μ₂-Cl)(Cp*)]₂
Compound name(s): 
bis-[(μ₂-Chloro)-dichloro-(η⁵-pentamethyl-cyclopentadienyl)-zirconium]
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: 
Zr«V4C7OIVE14B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[W{Mo(CO)₃Cp}(CO)₃(Cp*)]

Formula Unicode styled: 
[W{Mo(CO)₃Cp}(CO)₃(Cp*)]
Compound name(s): 
(eta-cyclopentadienyl-tricarbonyl-molybdenum)-tricarbonyl-(eta-Pentamethyl-cyclopentadienyl)-tungsten
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: 
W«V2C7OIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(Se)(μ₂-Se)(Cp*)]₂

Formula Unicode styled: 
[W(Se)(μ₂-Se)(Cp*)]₂
Compound name(s): 
bis-[(μ₂-Selenido)-(η⁵-pentamethyl-cyclopentadienyl)-selenoxo-tungsten(W—W)]
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: 
W«V6C7OVE18B9Z0X6L3»
[MLXZ]𝘲 class: 
[MX6L3]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[W(S)(μ₂-S)(Cp*)]₂

Formula Unicode styled: 
[W(S)(μ₂-S)(Cp*)]₂
Compound name(s): 
bis-[(μ₂-Sulfido)-(η⁵-pentamethyl-cyclopentadienyl)-thioxo-tungsten(W—W]
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: 
W«V6C7OVE18B9Z0X6L3»
[MLXZ]𝘲 class: 
[MX6L3]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[W(H)(μ₂-H)(NO)(Cp)]₂

Formula Unicode styled: 
[W(H)(μ₂-H)(NO)(Cp)]₂
Compound name(s): 
bis-[(η⁵-Cyclopentadienyl)-(μ₂-hydrido)-hydrido-nitrosyl-tungsten]
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: 
W«V6C7OIIE18B9X4L4Z1»
[MLXZ]𝘲 class: 
[MX4L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[W(CO)₃(η⁵-C₅Bz₅)]₂

Formula Unicode styled: 
[W(CO)₃(η⁵-C₅Bz₅)]₂
Compound name(s): 
bis-[Tricarbonyl-(η⁵-pentabenzylcyclopentadienyl)-tungsten(W—W)]
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: 
W«V2C7OIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(CO)₃(Cp*)]₂

Formula Unicode styled: 
[W(CO)₃(Cp*)]₂
Compound name(s): 
bis-[Tricarbonyl-(η⁵-pentamethyl-cyclopentadienyl)-tungsten(W—W)]
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: 
W«V2C7OIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(CO)₃(Cp)]₂

Formula Unicode styled: 
[W(CO)₃(Cp)]₂
Compound name(s): 
bis-[(η⁵-Cyclopentadienyl)-tricarbonyl-tungsten(W—W)]
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: 
W«V2C7OIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(CO)₂(PMe₃)(Cp)]₂

Formula Unicode styled: 
[W(CO)₂(PMe₃)(Cp)]₂
Compound name(s): 
bis-[dicarbonyl-(η⁵-cyclopentadienyl)-(trimethylphosphine)-tungsten(W—W)]
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: 
W«V2C7OIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5