[La(OH₂)₄(O₂NO-κ²O)(12-crown-4-κ⁴O)]²⊕

Formula Unicode styled: 
[La(OH₂)₄(O₂NO-κ²O)(12-crown-4-κ⁴O)]²⊕
Compound name(s): 
Tetra-aqua-(12-crown-4)-(nitrato-O,O')-lanthanum(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: 
10
[MLXZ]𝘲 class: 
[MX1L9]2+
MLXZ class (ENC, equivalent neutral class): 
MX3L7
Summary of calculated classifications: 
La«V3C10OIIIE20B10Z0X1L9»2⊕
𝘥-electron configuration = 𝘮 – VN: 
𝘥-electron configuration = 𝘮 – ON: 
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
Attached atoms: 
O10
Phase: 
InChIKey (see www.inchi-trust.org): 
CQKKNTSORQWGDE-UHFFFAOYSA-N