7-coordinate: ③-●-4 piano stool

PCy₃ (tricyclohexylphosphane)

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:

Cr«V²C⁷O^IIE¹⁸B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Ir(H){Ta(H)(Cp)}(Cp*)]₂

Formula Unicode styled:

[Ir(H){Ta(H)(Cp)}(Cp*)]₂

Compound name(s):

bis-[hydrido-{μ₂-(hydrido-η⁵-pentamethylcyclopentadienyl-tantalum)}₂-(η⁵-pentamethylcyclopentadienyl)-iridium] (Ir—Ir)

Central atom:

Iridium

Attached groups:

Ta group (X type)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 5

Oxidation Number (ON) (Roman numerals):

ON: (O)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Ir«V⁵C⁷O^OE¹⁸B⁷Z⁰X⁵L²»

[MLXZ]𝘲 class:

[MX₅L₂]

MLXZ class (ENC, equivalent neutral class):

MX₅L₂

[Ta(H)(Cp){Ir(H)(Cp*)}]₂

Formula Unicode styled:

[Ta(H)(Cp){Ir(H)(Cp*)}]₂

Compound name(s):

bis-[hydrido-{μ₂-(hydrido-η⁵-pentamethylcyclopentadienyl-iridium)}-(η⁵-pentamethylcyclopentadienyl)-tantalum]

Central atom:

Tantalum

Attached groups:

Ir group (X type)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 5

Oxidation Number (ON) (Roman numerals):

ON: (IV)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 14

Summary of calculated classifications:

Ta«V⁵C⁷O^IVE¹⁴B⁷Z⁰X⁵L²»

[MLXZ]𝘲 class:

[MX₅L₂]

MLXZ class (ENC, equivalent neutral class):

MX₅L₂

[Re₂(CO)₄(Cp)₂(μ₂-Se)]

Formula Unicode styled:

[Re₂(CO)₄(Cp)₂(μ₂-Se)]

Compound name(s):

(μ₂-selenido)-bis(η⁵-cyclopentadienyl)-tetracarbonyl-di-rhenium

Central atom:

Rhenium

Attached groups:

Se (μ₂-seleno X–X)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 3

Oxidation Number (ON) (Roman numerals):

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Re«V³C⁷O^IIE¹⁸B⁷Z⁰X³L⁴»

[MLXZ]𝘲 class:

[MX₃L₄]

MLXZ class (ENC, equivalent neutral class):

MX₃L₄

cis–[Mo(CO)₂(NCMe)₂(Cp)]⊕

Formula Unicode styled:

cis–[Mo(CO)₂(NCMe)₂(Cp)]⊕

Compound name(s):

dicarbonyl-diactonitrile-cyclopentadienyl-molybdenum(1+)

Central atom:

Attached groups:

NCMe (acetonitrile)

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:

Mo«V²C⁷O^IIE¹⁸B⁷Z⁰X¹L⁶»^⊕

[MLXZ]𝘲 class:

[MX₁L₆]⁺

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Mo(N₃)(NO)(η³-C₃H₄Me)(Cp)]

Formula Unicode styled:

[Mo(N₃)(NO)(η³-C₃H₄Me)(Cp)]

Compound name(s):

azido-nitrosyl-methallyl-(η⁵-cyclopentadienyl)-molybdenum

Central atom:

Attached groups:

N₃ (azido)

NO (nitrosyl, linear)

C₃H₄Me (η³-methylallyl)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 6

Oxidation Number (ON) (Roman numerals):

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Mo«V⁶C⁷O^IIE¹⁸B⁹X⁴L⁴Z¹»

[MLXZ]𝘲 class:

[MX₄L₄Z₁]

MLXZ class (ENC, equivalent neutral class):

MX₆L₃

[Mo(NCO)(NO)(η³-C₃H₄Me)(Cp)]

Formula Unicode styled:

[Mo(NCO)(NO)(η³-C₃H₄Me)(Cp)]

Compound name(s):

isocyanato-nitrosyl-methallyl-(η⁵-cyclopentadienyl)-molybdenum

Central atom:

Attached groups:

NCO (isocyanato-κN)

NO (nitrosyl, linear)

C₃H₄Me (η³-methylallyl)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 6

Oxidation Number (ON) (Roman numerals):

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Mo«V⁶C⁷O^IIE¹⁸B⁹X⁴L⁴Z¹»

[MLXZ]𝘲 class:

[MX₄L₄Z₁]

MLXZ class (ENC, equivalent neutral class):

MX₆L₃

cis–[Mo(CO)₂(Tht)₂(Cp)]⊕

Formula Unicode styled:

cis–[Mo(CO)₂(Tht)₂(Cp)]⊕

Compound name(s):

dicarbonyl-bis(tetrahydrothiophene)-cyclopentadienyl-molybdenum(1+)

Central atom:

Attached groups:

Tht (tetrahydrothiophene)

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:

Mo«V²C⁷O^IIE¹⁸B⁷Z⁰X¹L⁶»^⊕

[MLXZ]𝘲 class:

[MX₁L₆]⁺

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[W(CO)₃(NCMe)(Cp)]⊕

Formula Unicode styled:

[W(CO)₃(NCMe)(Cp)]⊕

Compound name(s):

acetonitrile-tricarbonyl-(η⁵-cyclopentadienyl)-tungsten(1+)

Central atom:

Tungsten

Attached groups:

NCMe (acetonitrile)

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«V²C⁷O^IIE¹⁸B⁷Z⁰X¹L⁶»^⊕

[MLXZ]𝘲 class:

[MX₁L₆]⁺

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Mo(=CF₂)(CO)₃(Cp*)]⊕

Formula Unicode styled:

[Mo(=CF₂)(CO)₃(Cp*)]⊕

Compound name(s):

Difluorocarbene-tricarbonyl-(η⁵-pentamethylcyclopentadienyl)-molybdenum

Central atom:

=CF₂ (difluoromethylidene)

Attached groups:

Charge on central atom:

1

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 4

Oxidation Number (ON) (Roman numerals):

ON: (IV)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

C₅(SiMe₃)Me₄ (η⁵-tetramethyl-trimethylsilyl-cyclopentadienyl)

Summary of calculated classifications:

Mo«V⁴C⁷O^IVE¹⁸B⁸Z⁰X³L⁵»^⊕

[MLXZ]𝘲 class:

[MX₃L₅]⁺

MLXZ class (ENC, equivalent neutral class):

MX₄L₄

[Lu(C≡CPh)₂{η⁵-C₅(SiMe₃)Me₄}]₃

Formula Unicode styled:

[Lu(C≡CPh)₂{η⁵-C₅(SiMe₃)Me₄}]₃

Compound name(s):

pentakis(μ-2-phenylethyn-1-yl)-tris(1-trimethylsilyl-2,3,4,5-tetramethylcyclopentadienyl)-tri-lutetium

Central atom:

Lutetium

Attached groups:

C≡CPh (phenylethynyl)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 3

Oxidation Number (ON) (Roman numerals):

ON: (III)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 14

Summary of calculated classifications:

Lu«V³C⁷O^IIIE¹⁴B⁷Z⁰X³L⁴»

[MLXZ]𝘲 class:

[MX₃L₄]

MLXZ class (ENC, equivalent neutral class):

MX₃L₄

[W₂(CO)₄(μ₂-η²,η²-HC≡CH)(Cp)₂]

Formula Unicode styled:

[W₂(CO)₄(μ₂-η²,η²-HC≡CH)(Cp)₂]

Compound name(s):

μ-acetylene-bis(dicarbonyl-(η⁵-cyclopentadienyl)-tungsten

Central atom:

Tungsten

Attached groups:

HC≡CH (μ₂-η²,η²-ethyne)

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«V²C⁷O^IE¹⁸B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Mo₂(CO)₄(μ₂-η²,η²-Me₃SiC≡CSiMe₃)(Cp)₂]

Formula Unicode styled:

[Mo₂(CO)₄(μ₂-η²,η²-Me₃SiC≡CSiMe₃)(Cp)₂]

Compound name(s):

(μ₂-η²,η²-bis(trimethylsilyl)-acetylene)-tetracarbonyl-bis(η⁵-cyclopentadienyl)-di-molybdenum

Central atom:

Attached groups:

Me₃SiC≡CSiMe₃ (μ₂-η²,η²-bistrimethylsilylethyne)

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:

Mo«V²C⁷O^IE¹⁸B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Mo₂(CO)₄(Cp)₂(μ₂-η²,η²-HC≡CH)]

Formula Unicode styled:

[Mo₂(CO)₄(Cp)₂(μ₂-η²,η²-HC≡CH)]

Compound name(s):

μ-ethyne-bis(dicarbonyl-cyclopentadienyl-molybdenum)

Central atom:

Attached groups:

HC≡CH (μ₂-η²,η²-ethyne)

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:

Mo«V²C⁷O^IE¹⁸B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Mo₂(CO)₄(μ₂-η²,η²-EtC≡CEt)(Cp)₂]

Formula Unicode styled:

[Mo₂(CO)₄(μ₂-η²,η²-EtC≡CEt)(Cp)₂]

Compound name(s):

μ-diethylacetylene-bis(cyclopentadienyl)-tetracarbonyl-di-molybdenum

Central atom:

Attached groups:

EtC≡CEt (μ₂-η²,η²-hexyne)

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:

Mo«V²C⁷O^IE¹⁸B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Mo₂(CO)₄(μ₂-η²,η²-PhC≡CPh)(Cp)₂]

Formula Unicode styled:

[Mo₂(CO)₄(μ₂-η²,η²-PhC≡CPh)(Cp)₂]

Compound name(s):

(μ₂-η²,η²-diphenylacetylene)-bis(η-cyclopentadienyl)-tetracarbonyl-di-molybdenum

Central atom:

Attached groups:

PhC≡CPh (μ₂-η²,η²-diphenylethyne)

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:

Mo«V²C⁷O^IE¹⁸B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[V(H)(CO)₃(Cp)]⊖

Formula Unicode styled:

[V(H)(CO)₃(Cp)]⊖

Compound name(s):

tris(carbonyl)-hydrido-(η⁵-cyclopentadienyl)-vanadium(1-)

Central atom:

Vanadium

Attached groups:

Charge on central atom:

-1

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 1

Oxidation Number (ON) (Roman numerals):

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

V«V¹C⁷O^IE¹⁸B⁷Z⁰X²L⁵»^⊖

[MLXZ]𝘲 class:

[MX₂L₅]^-

MLXZ class (ENC, equivalent neutral class):

MX₁L₆

[Sm(μ₂-I)(Thf)₂(Cp*)]₂

Formula Unicode styled:

[Sm(μ₂-I)(Thf)₂(Cp*)]₂

Compound name(s):

bis-[(μ₂-iodo)-bis(tetrahydrofuran)-(η⁵-pentamethyl-cyclopentadienyl)-samarium]

Central atom:

Samarium

Attached groups:

I (μ₂-iodo)

Thf (tetrahydrofuran)

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:

EN: 20

Summary of calculated classifications:

Sm«V²C⁷O^IIE²⁰B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Eu(μ₂-C≡CPh)(Thf)₂(Cp)]₂

Formula Unicode styled:

[Eu(μ₂-C≡CPh)(Thf)₂(Cp)]₂

Compound name(s):

bis-[(μ₂-phenylacetylide)-(η⁵-pentamethyl-cyclopentadienyl)-bis(tetrahydrofuran)-europium]

Central atom:

Europium

Attached groups:

C≡CPh (μ₂-phenylethynyl)

Thf (tetrahydrofuran)

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):

CH₂SiMe₃ (trimethylsilylmethyl)

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 21

Summary of calculated classifications:

Eu«V²C⁷O^IIE²¹B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Dy(CH₂SiMe₃)(Thf)(μ₂-H){η⁵-C₅(SiMe₃)Me₄}]₂

Formula Unicode styled:

[Dy(CH₂SiMe₃)(Thf)(μ₂-H){η⁵-C₅(SiMe₃)Me₄}]₂

Compound name(s):

bis-[(μ₂-hydrido)-(trimethylsilylmethyl)-(tetrahydrofuran)-(η⁵-1,2,3,4-tetramethyl-5-trimethylsilyl-cyclopentadienyl)-dysprosium]

Central atom:

Dysprosium

Attached groups:

Thf (tetrahydrofuran)

H (μ₂-hydrido)

C₅(SiMe₃)Me₄ (η⁵-tetramethyl-trimethylsilyl-cyclopentadienyl)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 3

Oxidation Number (ON) (Roman numerals):

ON: (III)

Coordination Number (CN, sum of attached group denticities):