7-coordinate: ③-●-4 piano stool

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

[W(OBuᵗ)(NHBuᵗ)(NO)(Cp*)]

Formula Unicode styled: 
[W(OBuᵗ)(NHBuᵗ)(NO)(Cp*)]
Compound name(s): 
(η-Pentamethyl-cyclopentadienyl)-t-butylamido-t-butoxy-nitroso-tungsten
Central atom: 
Tungsten
Attached groups: 
OBuᵗ (t-butyloxy)
NHBuᵗ (t-butylamino: planar)
NO (nitrosyl, linear)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V6C6OIIE18B9X4L4Z1»
[MLXZ]𝘲 class: 
[MX4L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

trans–[W(H)(PMe₃)(PPh₂)₂(Cp*)]

Formula Unicode styled: 
trans–[W(H)(PMe₃)(PPh₂)₂(Cp*)]
Compound name(s): 
Hydrido-(η-pentamethyl-cyclopentadienyl)-trimethylphosphine-bis(diphenylphosphido)-tungsten
Central atom: 
Tungsten
Attached groups: 
H (hydrido)
PMe₃ (trimethylphosphane)
PPh₂ (diphenylphosphanyl)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
W«V4C7OIVE16B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

cis–[W(H)(CO)₂(PMe₃)(Cp)]

Formula Unicode styled: 
cis–[W(H)(CO)₂(PMe₃)(Cp)]
Compound name(s): 
(η-cyclopentadienyl)-dicarbonyl-hydrido-(trimethylphosphine)-tungsten
Central atom: 
Tungsten
Attached groups: 
H (hydrido)
CO (carbonyl)
PMe₃ (trimethylphosphane)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(SH)(CO)₃(Cp*)]

Formula Unicode styled: 
[W(SH)(CO)₃(Cp*)]
Compound name(s): 
(η-Pentamethylcyclopentadienyl)-tricarbonyl-mercapto-tungsten
Central atom: 
Tungsten
Attached groups: 
SH (hydrothio)
CO (carbonyl)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(Cl)(CO)₃(Cp)]

Formula Unicode styled: 
[W(Cl)(CO)₃(Cp)]
Compound name(s): 
Tricarbonyl-chloro-(η-cyclopentadienyl)-tungsten
Central atom: 
Tungsten
Attached groups: 
Cl (chloro)
CO (carbonyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(I)(NO)(η³-C₃H₅)(Cp)]

Formula Unicode styled: 
[W(I)(NO)(η³-C₃H₅)(Cp)]
Compound name(s): 
(η-Allyl)-(η-cyclopentadienyl)-iodo-nitrosyl-tungsten
Central atom: 
Tungsten
Attached groups: 
I (iodo)
NO (nitrosyl, linear)
C₃H₅ (η³-allyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V6C7OIIE18B9X4L4Z1»
[MLXZ]𝘲 class: 
[MX4L4Z1]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[W{W(CO)₃Cp}(CO)₃(Cp)]

Formula Unicode styled: 
[W{W(CO)₃Cp}(CO)₃(Cp)]
Compound name(s): 
bis(η-Cyclopentadienyl)-hexacarbonyl-ditungsten
Central atom: 
Tungsten
Attached groups: 
W(CO)₃Cp (tricarbonylcyclopentadienyltungsten)
CO (carbonyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(I)₂(CO)₂(CNBuᵗ)₃]

Formula Unicode styled: 
[W(I)₂(CO)₂(CNBuᵗ)₃]
Compound name(s): 
Dicarbonyl-di-iodo-tris(t-butyl-isocyanide)-tungsten
Central atom: 
Tungsten
Attached groups: 
I (iodo)
CO (carbonyl)
CNBuᵗ (t-butyl isocyanide)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(Me)₃(MeNNMe)(Cp*)]

Formula Unicode styled: 
[W(Me)₃(MeNNMe)(Cp*)]
Compound name(s): 
(η-Pentamethyl-cyclopentadienyl)-trimethyl-(dimethyldiazene-N,N')-tungsten
Central atom: 
Tungsten
Attached groups: 
Me (methyl)
MeNNMe (dimethyldiazene)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 18
Summary of calculated classifications: 
W«V4C8OIVE18B8Z0X4L4»
[MLXZ]𝘲 class: 
[MX4L4]
MLXZ class (ENC, equivalent neutral class): 
MX4L4

[W(SBuᵗ)₃(CNBuᵗ)(Cp*)]

Formula Unicode styled: 
[W(SBuᵗ)₃(CNBuᵗ)(Cp*)]
Compound name(s): 
tris(t-Butylthiolato)-t-butylisocyano-(η-pentamethyl-cyclopentadienyl)-tungsten
Central atom: 
Tungsten
Attached groups: 
SBuᵗ (t-butylthio)
CNBuᵗ (t-butyl isocyanide)
Cp* (η⁵-pentamethylcyclopentadienyl)
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
W«V4C7OIVE16B7Z0X4L3»
[MLXZ]𝘲 class: 
[MX4L3]
MLXZ class (ENC, equivalent neutral class): 
MX4L3

[W(Et)₃(⭀NBuᵗ)(Cp*)]

Formula Unicode styled: 
[W(Et)₃(⭀NBuᵗ)(Cp*)]
Compound name(s): 
(t-Butylimido)-triethyl-(η-pentamethyl-cyclopentadienyl)-tungsten
Central atom: 
Tungsten
Attached groups: 
Et (ethyl)
⭀NBuᵗ (⭀N t-butylimino)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V6C7OVIE18B9Z0X6L3»
[MLXZ]𝘲 class: 
[MX6L3]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[W(GaMe₂)(CO)₃(Cp)]

Formula Unicode styled: 
[W(GaMe₂)(CO)₃(Cp)]
Compound name(s): 
Cyclopentadienyl-tricarbonyl-tungsten-dimethylgallium
Central atom: 
Tungsten
Attached groups: 
GaMe₂ (dimethylgallanyl)
CO (carbonyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(Cl)₃(⭀NBuᵗ)(Cp*)]

Formula Unicode styled: 
[W(Cl)₃(⭀NBuᵗ)(Cp*)]
Compound name(s): 
t-Butylimido-trichloro-(η-pentamethyl-cyclopentadienyl)-tungsten
Central atom: 
Tungsten
Attached groups: 
Cl (chloro)
⭀NBuᵗ (⭀N t-butylimino)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V6C7OVIE18B9Z0X6L3»
[MLXZ]𝘲 class: 
[MX6L3]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[W(Cl)(Me)₂(⭀NBuᵗ)(Cp*)]

Formula Unicode styled: 
[W(Cl)(Me)₂(⭀NBuᵗ)(Cp*)]
Compound name(s): 
t-Butylimido-chloro-(η-pentamethyl-cyclopentadienyl)-dimethyl-tungsten
Central atom: 
Tungsten
Attached groups: 
Cl (chloro)
Me (methyl)
⭀NBuᵗ (⭀N t-butylimino)
Cp* (η⁵-pentamethylcyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V6C7OVIE18B9Z0X6L3»
[MLXZ]𝘲 class: 
[MX6L3]
MLXZ class (ENC, equivalent neutral class): 
MX6L3

[W(I)(CO)₂(=CHTol)(Cp)]

Formula Unicode styled: 
[W(I)(CO)₂(=CHTol)(Cp)]
Compound name(s): 
(η-Cyclopentadienyl)-dicarbonyl-iodo-(p-methylbenzylidene)-tungsten
Central atom: 
Tungsten
Attached groups: 
I (iodo)
CO (carbonyl)
=CHTol (tolylidene)
Cp (η⁵-cyclopentadienyl)
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V4C7OIVE18B8Z0X4L4»
[MLXZ]𝘲 class: 
[MX4L4]
MLXZ class (ENC, equivalent neutral class): 
MX4L4

[W{Mo(CO)₃Cp*}(CO)₃(Cp)]

Formula Unicode styled: 
[W{Mo(CO)₃Cp*}(CO)₃(Cp)]
Compound name(s): 
(η-Pentamethyl-cyclopentadienyl)-(η-cyclopentadienyl)-hexacarbonyl-molybdenum-tungsten
Central atom: 
Tungsten
Attached groups: 
Mo(CO)₃Cp* (tricarbonylpentamethylcyclopentadienylmolybdenum)
CO (carbonyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(Me)(CO)₃(Cp)]

Formula Unicode styled: 
[W(Me)(CO)₃(Cp)]
Compound name(s): 
(η-acetylcyclopentadienyl)-tricarbonyl-methyl-tungsten
Central atom: 
Tungsten
Attached groups: 
Me (methyl)
CO (carbonyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(COMe)(CO)₂(PPh₃)(Cp)]

Formula Unicode styled: 
[W(COMe)(CO)₂(PPh₃)(Cp)]
Compound name(s): 
Dicarbonyl-(η-cyclopentadienyl)-(triphenylphosphino)-acetyl-tungsten
Central atom: 
Tungsten
Attached groups: 
COMe (acetyl)
CO (carbonyl)
PPh₃ (triphenylphosphane)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(Bz)(CO)₃(Cp)]

Formula Unicode styled: 
[W(Bz)(CO)₃(Cp)]
Compound name(s): 
(η-Cyclopentadieneyl)-benzyl-tricarbonyl-tungsten
Central atom: 
Tungsten
Attached groups: 
Bz (phenylmethanido-κC)
CO (carbonyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[W(O₂CMe-κO)(CO)₃(Cp)]

Formula Unicode styled: 
[W(O₂CMe-κO)(CO)₃(Cp)]
Compound name(s): 
(Acetato-O)-tricarbonyl-(η-cyclopentadienyl)-tungsten
Central atom: 
Tungsten
Attached groups: 
O₂CMe (acetato-κO)
CO (carbonyl)
Cp (η⁵-cyclopentadienyl)
Charge on central atom: 
0
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: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
W«V2C7OIIE18B7Z0X2L5»
[MLXZ]𝘲 class: 
[MX2L5]
MLXZ class (ENC, equivalent neutral class): 
MX2L5