7-coordinate: ③-●-4 piano stool

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

[Ir(Me)₄(Cp*)]

Formula Unicode styled: 
[Ir(Me)₄(Cp*)]
Compound name(s): 
Tetramethyl-(η⁵-pentamethyl-cyclopentadienyl)-iridium
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: 
Ir«V5C7OVE18B7Z0X5L2»
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Ir(Me)₃(SbPh₃)(Cp*)]⊕

Formula Unicode styled: 
[Ir(Me)₃(SbPh₃)(Cp*)]⊕
Compound name(s): 
(η⁵-pentamethylcyclopentadienyl)-trimethyl-(triphenylstibine)-iridium(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: 
Ir«V5C7OVE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]+
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Ir(H)₄(Cp*)]

Formula Unicode styled: 
[Ir(H)₄(Cp*)]
Compound name(s): 
Tetrahydrido-(η⁵-pentamethyl-cyclopentadienyl)-iridium
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: 
Ir«V5C7OVE18B7Z0X5L2»
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Ir(H)₃(SnPh₃)(Cp*)]

Formula Unicode styled: 
[Ir(H)₃(SnPh₃)(Cp*)]
Compound name(s): 
Trihydrido-triphenyltin-(η⁵-pentamethyl-cyclopentadienyl)-iridium
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: 
Ir«V5C7OVE18B7Z0X5L2»
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Ir(H)₃(PMe₃)(Cp)]⊕

Formula Unicode styled: 
[Ir(H)₃(PMe₃)(Cp)]⊕
Compound name(s): 
(η⁵-Cyclopentadienyl)-trihydrogen-trimethylphosphine-iridium(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: 
Ir«V5C7OVE18B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]+
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Ir(OH₂)₃(Cp*)]²⊕

Formula Unicode styled: 
[Ir(OH₂)₃(Cp*)]²⊕
Compound name(s): 
Triaqua-(η⁵-pentamethyl-cyclopentadienyl)-iridium(1+)
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: 
Ir«V3C6OIIIE18B6Z0X1L5»2⊕
[MLXZ]𝘲 class: 
[MX1L5]2+
MLXZ class (ENC, equivalent neutral class): 
MX3L3

trans–[Mn(SnCl₃)(CO)₂(PPh₃)(Cp)]⊕

Formula Unicode styled: 
trans–[Mn(SnCl₃)(CO)₂(PPh₃)(Cp)]⊕
Compound name(s): 
Dicarbonyl-cyclopentadienyl-triphenylphosphine-(trichloro-tin)-manganese(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: 
Mn«V3C7OIIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]+
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Mn(SiCl₃)₂(CO)₂(η⁵-C₅H₄Me)]

Formula Unicode styled: 
trans–[Mn(SiCl₃)₂(CO)₂(η⁵-C₅H₄Me)]
Compound name(s): 
Dicarbonyl-(η⁵-methylcyclopentadienyl)-bis(trichlorosilyl)-manganese
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: 
Mn«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Mn(GeCl₃)₂(CO)₂(η⁵-C₅H₄Me)]

Formula Unicode styled: 
trans–[Mn(GeCl₃)₂(CO)₂(η⁵-C₅H₄Me)]
Compound name(s): 
Dicarbonyl-methylcyclopentadienyl-di(trichloro-germyl)-manganese(1-)
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: 
Mn«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

cis–[Mn(H)(SiHPh₂)(Dmpe)(Cp)]

Formula Unicode styled: 
cis–[Mn(H)(SiHPh₂)(Dmpe)(Cp)]
Compound name(s): 
Hydrido-(η-cyclopentadienyl)-1,2-bis(dimethylphosphino)ethane-(hydridodiphenylsilyl)-manganese
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: 
Mn«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

cis–[Mn(H)(SiCl₃)(CO)₂(η⁵-C₅H₄Me)]

Formula Unicode styled: 
cis–[Mn(H)(SiCl₃)(CO)₂(η⁵-C₅H₄Me)]
Compound name(s): 
Hydrido-trichlorosilyl-dicarbonyl-(η⁵-methylcyclopentadienyl)-manganese
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: 
Mn«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Tc(Br)₂(CO)₂(Cp*)]

Formula Unicode styled: 
trans–[Tc(Br)₂(CO)₂(Cp*)]
Compound name(s): 
Dibromo-dicarbonyl-(η⁵-pentamethylcyclopentadienyl)-technetium
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: 
Tc«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Tc(Br)(CO)₃(Cp*)]⊕

Formula Unicode styled: 
[Tc(Br)(CO)₃(Cp*)]⊕
Compound name(s): 
Bromo-tricarbonyl-(η⁵-pentamethylcyclopentadienyl)-technetium(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: 
Tc«V3C7OIIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]+
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Os(H)₂(PPh₃)₂(Cp)]⊕

Formula Unicode styled: 
trans–[Os(H)₂(PPh₃)₂(Cp)]⊕
Compound name(s): 
Dihydrido-(η⁵-cyclopentadienyl)-bis(triphenylphosphine)-osmium(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: 
Os«V4C7OIVE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]+
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[Re(CO)₂(η³-C₃H₅)(Cp*)]⊕

Formula Unicode styled: 
[Re(CO)₂(η³-C₃H₅)(Cp*)]⊕
Compound name(s): 
Dicarbonyl-(η³-allyl)-(η⁵-pentamethylcyclopentadienyl)-rhenium(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: 
Re«V3C7OIIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]+
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[W{Au(PPh₃)}(CO)₃(Cp)]

Formula Unicode styled: 
[W{Au(PPh₃)}(CO)₃(Cp)]
Compound name(s): 
(η⁵-cyclopentadienyl)-tricarbonyl-triphenylphosphine-gold-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«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(C₆F₅)₃(CO)(Cp)]

Formula Unicode styled: 
[W(C₆F₅)₃(CO)(Cp)]
Compound name(s): 
Carbonyl-(η⁵-cyclopentadienyl)-tris(pentafluorobenzenethiolato-S)-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«V4C7OIVE16B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

trans–[W(CO)(=C=CMePh){P(OMe)₃}₂(Cp)]⊕

Formula Unicode styled: 
trans–[W(CO)(=C=CMePh){P(OMe)₃}₂(Cp)]⊕
Compound name(s): 
Carbonyl-(η⁵-cyclopentadienyl)-(methyl(phenyl)vinylidene)-bis(trimethylphosphito)-tungsten(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: 
W«V4C7OIVE18B8Z0X3L5»
[MLXZ]𝘲 class: 
[MX3L5]+
MLXZ class (ENC, equivalent neutral class): 
MX4L4

trans–[W(CH=CH₂)(CO)₂(PPh₃)(Cp)]

Formula Unicode styled: 
trans–[W(CH=CH₂)(CO)₂(PPh₃)(Cp)]
Compound name(s): 
Dicarbonyl-(η⁵-cyclopentadienyl)-triphenylphosphine-vinyl-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«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

trans–[Cr(CO)₂(PMe₃)₂(Cp)]⊕

Formula Unicode styled: 
trans–[Cr(CO)₂(PMe₃)₂(Cp)]⊕
Compound name(s): 
Dicarbonyl-(η⁵-cyclopentadienyl)-bis(trimethylphosphine)-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«V2C7OIIE18B7Z0X1L6»
[MLXZ]𝘲 class: 
[MX1L6]+
MLXZ class (ENC, equivalent neutral class): 
MX2L5