trans–[Os(H)(Py)(En)₂]²⊕

Formula Unicode styled: 
trans–[Os(H)(Py)(En)₂]²⊕
Compound name(s): 
bis(Ethylenediamine)-hydrido-pyridine-osmium(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: 
6
[MLXZ]𝘲 class: 
[MX1L5]2+
MLXZ class (ENC, equivalent neutral class): 
MX3L3
Summary of calculated classifications: 
Os«V3C6OIIIE17B6Z0X1L5»2⊕
Isomer label: 
𝘥-electron configuration = 𝘮 – VN: 
d5
𝘥-electron configuration = 𝘮 – ON: 
d5
𝘥-electron configuration = 𝘮 – VN – 𝘲 from [MLXZ]𝘲: 
d5
Attached atoms: 
H1N5
Phase: 
InChIKey (see www.inchi-trust.org): 
RUQRXDKQPOXZIA-UHFFFAOYSA-N