Calcium

[Ca(Br)(OH₂)(OHMe)(Phen)₂]⊕

Formula Unicode styled: 
[Ca(Br)(OH₂)(OHMe)(Phen)₂]⊕
Compound name(s): 
Aqua-bromo-(methanol)-bis(1,10-phenanthroline)-calcium(1+)
Central atom: 
Calcium
Attached groups: 
Br (bromo)
OH₂ (aqua)
OHMe (methanol)
Phen (phenanthroline)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 14
Summary of calculated classifications: 
Ca«V2C7OIIE14B7Z0X1L6»⊕
[MLXZ]𝘲 class: 
[MX1L6]+
MLXZ class (ENC, equivalent neutral class): 
MX2L5

[Ca(15-crown-5-κ⁵O)₂]²⊕

Formula Unicode styled: 
[Ca(15-crown-5-κ⁵O)₂]²⊕
Compound name(s): 
bis(15-Crown-5)-calcium(2+)
Central atom: 
Calcium
Attached groups: 
15-crown-5 (15-crown-5-κ⁵O)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 10
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 20
Summary of calculated classifications: 
Ca«V2C10OIIE20B10Z0X0L10»2⊕
[MLXZ]𝘲 class: 
[ML10]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L8