Chromium

PCy₃ (tricyclohexylphosphane)

Attached groups:

H (hydrido)

CO (carbonyl)

Cp (η⁵-cyclopentadienyl)

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):

CN: 7

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Cr«V²C⁷O^IIE¹⁸B⁷Z⁰X²L⁵»

[MLXZ]𝘲 class:

[MX₂L₅]

MLXZ class (ENC, equivalent neutral class):

MX₂L₅

[Cr(SH)(μ₃-S)(En)]₄

Formula Unicode styled:

[Cr(SH)(μ₃-S)(En)]₄

Compound name(s):

tetrakis-[(hydrogen-sulfido)-(μ-sulfido)-(ethane-1,2-diamine)-chromium]

Central atom:

Attached groups:

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: 15

Summary of calculated classifications:

Cr«V³C⁶O^IIIE¹⁵B⁶Z⁰X³L³»

[MLXZ]𝘲 class:

[MX₃L₃]

MLXZ class (ENC, equivalent neutral class):

MX₃L₃

[Cr₂(N₂)(Dmpe)₂(Cp*)₂]²⊕

Formula Unicode styled:

[Cr₂(N₂)(Dmpe)₂(Cp*)₂]²⊕

Compound name(s):

(μ₂-dinitrogen)-bis-[(η⁵-(1,2-bis-(dimethylphosphino)ethane)-pentamethylcyclopentadienyl)-chromium](2+)

Central atom:

Attached groups:

N₂ (dinitrogen)

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:

EN: 16

Summary of calculated classifications:

Cr«V²C⁶O^IIE¹⁶B⁶Z⁰X¹L⁵»^2⊕

[MLXZ]𝘲 class:

[MX₁L₅]²⁺

MLXZ class (ENC, equivalent neutral class):

MX₂L₄

[Cr(Cl)(Dmpe)(Cp*)]

Formula Unicode styled:

[Cr(Cl)(Dmpe)(Cp*)]

Compound name(s):

chloro-(1,2-bis-(dimethylphosphino)ethane)-(η⁵-pentamethylcyclopentadienyl)-chromium

Central atom:

Attached groups:

Cl (chloro)

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: 16

Summary of calculated classifications:

Cr«V²C⁶O^IIE¹⁶B⁶Z⁰X²L⁴»

[MLXZ]𝘲 class:

[MX₂L₄]

MLXZ class (ENC, equivalent neutral class):

MX₂L₄

[Cr(N)(Dmpe)(Cp*)]⊕

Formula Unicode styled:

[Cr(N)(Dmpe)(Cp*)]⊕

Compound name(s):

nitrido-(1,2-bis-(dimethylphosphino)ethane)-(η⁵-pentamethylcyclopentadienyl)-chromium(1+)

Central atom:

Attached groups:

N (nitrido; ≡N)

Charge on central atom:

1

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 5

Oxidation Number (ON) (Roman numerals):

ON: (V)

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

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 17

Summary of calculated classifications:

Cr«V⁵C⁶O^VE¹⁷B⁸Z⁰X⁴L⁴»^⊕

[MLXZ]𝘲 class:

[MX₄L₄]⁺

MLXZ class (ENC, equivalent neutral class):

MX₅L₃

[Cr₂(N₂)(Dmpe)₂(Cp*)₂]

Formula Unicode styled:

[Cr₂(N₂)(Dmpe)₂(Cp*)₂]

Compound name(s):

(μ₂-dinitrogen)-bis-[(η⁵-(1,2-bis-(dimethylphosphino)ethane)-pentamethylcyclopentadienyl)-chromium]

Central atom:

Attached groups:

N₂ (dinitrogen)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 1

Oxidation Number (ON) (Roman numerals):

ON: (I)

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

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 17

Summary of calculated classifications:

Cr«V¹C⁶O^IE¹⁷B⁶Z⁰X¹L⁵»

[MLXZ]𝘲 class:

[MX₁L₅]

MLXZ class (ENC, equivalent neutral class):

MX₁L₅

[Cr(N)(Dmpe)(Cp*)]

Formula Unicode styled:

[Cr(N)(Dmpe)(Cp*)]

Compound name(s):

nitrido-(1,2-bis-(dimethylphosphino)ethane)-(η⁵-pentamethylcyclopentadienyl)-chromium

Central atom:

Attached groups:

N (nitrido; ≡N)

Charge on central atom:

0

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:

Summary of calculated classifications:

Cr«V⁴C⁶O^IVE¹⁸B⁸Z⁰X⁴L⁴»

[MLXZ]𝘲 class:

[MX₄L₄]

MLXZ class (ENC, equivalent neutral class):

MX₄L₄

[Cr(Cp*)₂]⊕

Formula Unicode styled:

[Cr(Cp*)₂]⊕

Compound name(s):

bis(pentamethyl-cyclopentadienyl)-chromium(1+)

Central atom:

Attached groups:

Charge on central atom:

1

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: 15

Summary of calculated classifications:

Cr«V³C⁶O^IIIE¹⁵B⁶Z⁰X²L⁴»^⊕

[MLXZ]𝘲 class:

[MX₂L₄]⁺

MLXZ class (ENC, equivalent neutral class):

MX₃L₃

trans–[Cr(μ₂-O₂CMe)₂(Thf)]₂

Formula Unicode styled:

trans–[Cr(μ₂-O₂CMe)₂(Thf)]₂

Compound name(s):

bis-[di(μ₂-acetato)-(tetrahydrofuran)-chromium (Cr≣Cr)

Central atom:

Attached groups:

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:

Summary of calculated classifications:

Cr«V⁶C⁶O^IIE¹⁸B⁹Z⁰X⁶L³»

[MLXZ]𝘲 class:

[MX₆L₃]

MLXZ class (ENC, equivalent neutral class):

MX₆L₃

[Cr(F)₆]²⊖

Formula Unicode styled:

[Cr(F)₆]²⊖

Compound name(s):

hexafluorochromium(2-)

Central atom:

Attached groups:

F (fluoro)

Charge on central atom:

-2

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:

EN: 14

Summary of calculated classifications:

Cr«V⁴C⁶O^IVE¹⁴B⁶Z⁰L⁰X⁶»^2⊖

[MLXZ]𝘲 class:

[MX₆]^2-

MLXZ class (ENC, equivalent neutral class):

MX₄L₂

trans–[Cr(Py)₂(Acac)₂]

Formula Unicode styled:

trans–[Cr(Py)₂(Acac)₂]

Compound name(s):

bis(acetylacetonato)-dipyridine-chromium

Central atom:

Attached groups:

Py (pyridine)

Acac (acetylacetonato)

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: 16

Summary of calculated classifications:

Cr«V²C⁶O^IIE¹⁶B⁶Z⁰X²L⁴»

[MLXZ]𝘲 class:

[MX₂L₄]

MLXZ class (ENC, equivalent neutral class):

MX₂L₄

trans–[Cr(μ₂-Br)(η⁵-C₅HMe₄)]₂

Formula Unicode styled:

trans–[Cr(μ₂-Br)(η⁵-C₅HMe₄)]₂

Compound name(s):

bis-[(μ-bromo)-(tetramethyl-cyclopentadienyl)-chromium]

Central atom:

C₅HMe₄ (η⁵-tetramethylcyclopentadienyl)

Attached groups:

Br (μ₂-bromo)

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):

CN: 5

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 14

Summary of calculated classifications:

Cr«V²C⁵O^IIE¹⁴B⁵Z⁰X²L³»

[MLXZ]𝘲 class:

[MX₂L₃]

MLXZ class (ENC, equivalent neutral class):

MX₂L₃

[Cr(CrO₄)(O)₃]²⊖

Formula Unicode styled:

[Cr(CrO₄)(O)₃]²⊖

Compound name(s):

[heptaoxo-dichromium]2-

dichromate

Central atom:

Attached groups:

CrO₄ (chromato)

O (oxo X₂)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

Oxidation Number (ON) (Roman numerals):

ON: (VI)

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

CN: 4

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 14

Summary of calculated classifications:

Cr«V⁶C⁴O^VIE¹⁴B⁷Z⁰X⁶L¹»

[MLXZ]𝘲 class:

[MX₆L₁]

MLXZ class (ENC, equivalent neutral class):

MX₆L₁

[Cr(Ph)₅]²⊖

Formula Unicode styled:

[Cr(Ph)₅]²⊖

Compound name(s):

pentaphenylchromium(2-)

Central atom:

Attached groups:

Ph (phenyl)

Charge on central atom:

-2

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 3

Oxidation Number (ON) (Roman numerals):

ON: (III)

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

CN: 5

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 13

Summary of calculated classifications:

Cr«V³C⁵O^IIIE¹³B⁵Z⁰L⁰X⁵»^2⊖

[MLXZ]𝘲 class:

[MX₅]^2-

MLXZ class (ENC, equivalent neutral class):

MX₃L₂

trans–[Cr(μ₂-O₂CMe)₂(Py)]₂

Formula Unicode styled:

trans–[Cr(μ₂-O₂CMe)₂(Py)]₂

Compound name(s):

bis-[bis(μ₂-Acetato)-(pyridine)-chromium(Cr≣Cr)]

Central atom:

Attached groups:

Py (pyridine)

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«V⁶C⁶O^IIE¹⁸B⁹Z⁰X⁶L³»

[MLXZ]𝘲 class:

[MX₆L₃]

MLXZ class (ENC, equivalent neutral class):

MX₆L₃

trans–[Cr(μ₂-O₂CMe)₂(NCMe)]₂

Formula Unicode styled:

trans–[Cr(μ₂-O₂CMe)₂(NCMe)]₂

Compound name(s):

bis-[bis(μ₂-Acetato)-(acetonitrile)-chromium(Cr≣Cr)]

Central atom:

Attached groups:

NCMe (acetonitrile)

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«V⁶C⁶O^IIE¹⁸B⁹Z⁰X⁶L³»

[MLXZ]𝘲 class:

[MX₆L₃]

MLXZ class (ENC, equivalent neutral class):

MX₆L₃

trans–[Cr(μ₂-O₂CH)₂(Py)]₂

Formula Unicode styled:

trans–[Cr(μ₂-O₂CH)₂(Py)]₂

Compound name(s):

bis-[bis-(μ₂-formato)-(pyridine)-chromium(Cr≣Cr)]

Central atom:

Attached groups:

O₂CH (μ₂-formato)

Py (pyridine)

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«V⁶C⁶O^IIE¹⁸B⁹Z⁰X⁶L³»

[MLXZ]𝘲 class:

[MX₆L₃]

MLXZ class (ENC, equivalent neutral class):

MX₆L₃

trans–[Cr(μ₂-O₂CH)₂(OH₂)]₂

Formula Unicode styled:

trans–[Cr(μ₂-O₂CH)₂(OH₂)]₂

Compound name(s):

bis-[bis(μ₂-formato)-(aqua)-chromium(Cr≣Cr)]

Central atom:

Attached groups:

O₂CH (μ₂-formato)

OH₂ (aqua)

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«V⁶C⁶O^IIE¹⁸B⁹Z⁰X⁶L³»

[MLXZ]𝘲 class:

[MX₆L₃]

MLXZ class (ENC, equivalent neutral class):

MX₆L₃

trans–[Cr(μ₂-O₂CH)₂(OEt₂)]₂

Formula Unicode styled:

trans–[Cr(μ₂-O₂CH)₂(OEt₂)]₂

Compound name(s):

bis-[bis-(μ₂-formato)-(aqua)-chromium(Cr≣Cr)]

Central atom:

Attached groups:

O₂CH (μ₂-formato)

OEt₂ (diethylether)

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«V⁶C⁶O^IIE¹⁸B⁹Z⁰X⁶L³»

[MLXZ]𝘲 class:

[MX₆L₃]

MLXZ class (ENC, equivalent neutral class):

MX₆L₃

trans–[Cr(NCS-κN)(μ₂-O₂CMe)₂]₂²⊖

Formula Unicode styled:

trans–[Cr(NCS-κN)(μ₂-O₂CMe)₂]₂²⊖

Compound name(s):

bis-[bis-(μ₂-propionato)-(isothiocyanato)-chromium(Cr≣Cr)(1-)]

Central atom:

Attached groups:

NCS (isothiocyanato-κN)

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: