[Fe(NO)(OH₂)₅]²⊕

Formula Unicode styled: 
[Fe(NO)(OH₂)₅]²⊕
Compound name(s): 
penta-aqua-nitrosyl-iron(2+)
Central atom: 
Charge on formula unit (QN): 
2+
Compound type: 
Notes: 

The “brown-ring” ion [Fe(NO)(OH₂)₅]²⊕

Valence Number (VN) = 𝘹 + 2𝘻 : 
Coordination Number (CN, sum of attached group denticities): 
Oxidation Number (ON) (Roman numerals): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Bond number (BN) = 𝘹 + 𝘭 + 𝘻: 
7
[MLXZ]𝘲 class: 
[MX1L5Z1]2+
MLXZ class (ENC, equivalent neutral class): 
MX5L2
Summary of calculated classifications: 
Fe«V5C6OIE17B7X1L5Z1»2⊕
𝘥-electron configuration = 𝘮 – VN: 
d3
𝘥-electron configuration = 𝘮 – ON: 
d7
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
d3
Attached atoms: 
N1O5
Phase: 
InChIKey (see www.inchi-trust.org): 
OHDBTSUPFPUXRI-UHFFFAOYSA-N