7-coordinate: ③-●-4 piano stool

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

[W(Cl)(CO)₂(PHPh₂)(Cp)]

Formula Unicode styled: 
[W(Cl)(CO)₂(PHPh₂)(Cp)]
Compound name(s): 
Di-t-butylphosphine-(η-cyclopentadienyl)-dicarbonyl-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(Cl)₃{C(NEt₂)H}(Cp*)]

Formula Unicode styled: 
[W(Cl)₃{C(NEt₂)H}(Cp*)]
Compound name(s): 
(η-Pentamethyl-cyclopentadienyl)-(N,N-diethylaminocarbene)-trichloro-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

[W(NCMe)₂(η³-C₃H₅)(η⁶-C₇H₈)]⊕

Formula Unicode styled: 
[W(NCMe)₂(η³-C₃H₅)(η⁶-C₇H₈)]⊕
Compound name(s): 
bis(Acetonitrile)-(η-allyl)-(η-toluene)-tungsten
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«V2C7OIIE18B7Z0X1L6»
[MLXZ]𝘲 class: 
[MX1L6]+
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(I)(CO)₂(Dmpe)₂]⊕

Formula Unicode styled: 
[W(I)(CO)₂(Dmpe)₂]⊕
Compound name(s): 
Iodo-dicarbonyl-bis(bis(dimethylphosphino)ethane) 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«V2C7OIIE18B7Z0X1L6»
[MLXZ]𝘲 class: 
[MX1L6]+
MLXZ class (ENC, equivalent neutral class): 
MX2L5

trans–[Re(Me)₂(PMe₃)₂(Cp*)]

Formula Unicode styled: 
trans–[Re(Me)₂(PMe₃)₂(Cp*)]
Compound name(s): 
Dimethyl-(eta-pentamethylcyclopentadienyl)-bis(trimethylphosphine)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(H)(TeH)(CO)₂(Cp*)]

Formula Unicode styled: 
trans–[Re(H)(TeH)(CO)₂(Cp*)]
Compound name(s): 
Dicarbonyl-(eta-pentamethyl-cyclopentadienyl)-dihydro-rhenium-tellurium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(H)₂(PPh₃)₂(Cp)]

Formula Unicode styled: 
trans–[Re(H)₂(PPh₃)₂(Cp)]
Compound name(s): 
(eta-Cyclopentadienyl)-dihydrido-bis(triphenylphosphine)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(H)₂(PMe₂Ph)₂(Cp*)]

Formula Unicode styled: 
trans–[Re(H)₂(PMe₂Ph)₂(Cp*)]
Compound name(s): 
Dihydrido-(eta-pentamethyl-cyclopentadienyl)-bis(dimethylphenylphosphine)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(H)₂(PMe₂Ph)₂(Cp)]

Formula Unicode styled: 
trans–[Re(H)₂(PMe₂Ph)₂(Cp)]
Compound name(s): 
(eta-Cyclopentadienyl)-dihydrido-bis(dimethylphenylphosphine)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(H)₂(CO)₂(Cp*)]

Formula Unicode styled: 
trans–[Re(H)₂(CO)₂(Cp*)]
Compound name(s): 
(eta-Pentamethyl-cyclopentadienyl)-dicarbonyl-dihydrido-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(Br)₂(CO)₂(Cp*)]

Formula Unicode styled: 
trans–[Re(Br)₂(CO)₂(Cp*)]
Compound name(s): 
Dibromo-dicarbonyl-(eta-pentamethyl-cyclopentadienyl)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(Br)₂(CO)₂(Cp)]

Formula Unicode styled: 
trans–[Re(Br)₂(CO)₂(Cp)]
Compound name(s): 
Dibromo-dicarbonyl-(eta-cyclopentadienyl)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(Br)(COPh)(CO)₂(Cp)]

Formula Unicode styled: 
trans–[Re(Br)(COPh)(CO)₂(Cp)]
Compound name(s): 
(eta-Cyclopentadienyl)-benzoyl-bromo-dicarbonyl-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

trans–[Re(COMe)(Me)(CO)₂(Cp)]

Formula Unicode styled: 
trans–[Re(COMe)(Me)(CO)₂(Cp)]
Compound name(s): 
(Acetyl-C)-dicarbonyl-(eta-cyclopentadienyl)-methyl-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Re(Me)₄(Cp*)]

Formula Unicode styled: 
[Re(Me)₄(Cp*)]
Compound name(s): 
(eta-Pentamethyl-cyclopentadienyl)-tetramethyl-rhenium
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«V5C7OVE16B7Z0X5L2»
[MLXZ]𝘲 class: 
[MX5L2]
MLXZ class (ENC, equivalent neutral class): 
MX5L2

[Re(I)(Ph)(CO)₂(Cp*)]

Formula Unicode styled: 
[Re(I)(Ph)(CO)₂(Cp*)]
Compound name(s): 
Dicarbonyl-iodo-(eta-pentamethyl-cyclopentadienyl)-phenyl-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Re(I)(Me)(CO)₂(Cp*)]

Formula Unicode styled: 
[Re(I)(Me)(CO)₂(Cp*)]
Compound name(s): 
Dicarbonyl-iodo-methyl-(eta-pentamethyl-cyclopentadienyl)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Re(I)₂(CO)₂(Cp*)]

Formula Unicode styled: 
[Re(I)₂(CO)₂(Cp*)]
Compound name(s): 
Dicarbonyl-di-iodo-(eta-pentamethyl-cyclopentadienyl)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Re(H)(SiPh₃)(CO)₂(Cp)]

Formula Unicode styled: 
[Re(H)(SiPh₃)(CO)₂(Cp)]
Compound name(s): 
Hydrido-(triphenylsilyl)-(eta-cyclopentadienyl)-dicarbonyl-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4

[Re(Et)₂(CO)₂(Cp*)]

Formula Unicode styled: 
[Re(Et)₂(CO)₂(Cp*)]
Compound name(s): 
Dicarbonyl-diethyl-(eta-pentamethyl-cyclopentadienyl)-rhenium
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«V3C7OIIIE18B7Z0X3L4»
[MLXZ]𝘲 class: 
[MX3L4]
MLXZ class (ENC, equivalent neutral class): 
MX3L4