[Tm(O₂NO-κ²O)₅]²⊖

Formula Unicode styled: 
[Tm(O₂NO-κ²O)₅]²⊖
Compound name(s): 
pentanitrato-thulium(2-)
Central atom: 
Charge on formula unit (QN): 
2–
Attached groups: 
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: 
[MX5L5]2-
MLXZ class (ENC, equivalent neutral class): 
MX3L7
Summary of calculated classifications: 
Tm«V3C10OIIIE32B10Z0X5L5»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): 
ONDULXYIWPRDPH-UHFFFAOYSA-N