[Co(OH₂)₂(15-crown-5-κ⁵O)]²⊕

Formula Unicode styled: 
[Co(OH₂)₂(15-crown-5-κ⁵O)]²⊕
Compound name(s): 
(15-Crown-5)-diaqua-cobalt(2+)
Central atom: 
Charge on formula unit (QN): 
2+
Compound type: 
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: 
[ML7]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L5
Summary of calculated classifications: 
Co«V2C7OIIE21B7Z0X0L7»2⊕
𝘥-electron configuration = 𝘮 – VN: 
d7
𝘥-electron configuration = 𝘮 – ON: 
d7
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
d7
Attached atoms: 
O7
Phase: 
InChIKey (see www.inchi-trust.org): 
TZROTKIEGKTICI-UHFFFAOYSA-N