axial–[Fe(CO)₄{Cr(CO)₅}]²⊖

Formula Unicode styled:

Compound name(s):

(pentachromium)-tetracarbonyl-iron(2-)

Central atom:

Iron

Charge on formula unit (QN):

2–

Attached groups:

CO (carbonyl)

Cr(CO)₅ (pentacarbonylchromium)

Compound type:

Molecular

DOI link to literature report:

10.1021/ja00270a020

Crystal data CSD link:

fefxod

Crystal data ICSD link:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 0

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

CN: 5

Oxidation Number (ON) (Roman numerals):

ON: (-II)

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

EN: 18

Bond number (BN) = 𝘹 + 𝘭 + 𝘻:

[MLXZ]𝘲 class:

[ML₄Z₁]^2-

MLXZ class (ENC, equivalent neutral class):

ML₅

Summary of calculated classifications:

Fe«V⁰C⁵O^-IIE¹⁸B⁵X⁰L⁴Z¹»^2⊖

Geometry:

5-coordinate: trigonal bipyramid (TBPY-5)

Isomer label:

axial

𝘥-electron configuration = 𝘮 – VN:

d⁸

𝘥-electron configuration = 𝘮 – ON:

d¹⁰

𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲:

d⁸

Attached atoms:

C₄Cr₁

Phase:

Solid

InChIKey (see www.inchi-trust.org):

DBLMXLQJTBGLMP-UHFFFAOYSA-N