NO₂ (nitrito-κN,κO)

catena–1D-trans–[Ni(κN,κO-NO₂)(En)₂]⊕

Formula Unicode styled: 
catena–1D-trans–[Ni(κN,κO-NO₂)(En)₂]⊕
Compound name(s): 
catena-[bis(Ethylenediamine)-nitrito-nickel(1+)]
Central atom: 
Nickel
Attached groups: 
NO₂ (nitrito-κN,κO)
En (ethylenediamine)
Charge on central atom: 
1
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 20
Summary of calculated classifications: 
Ni«V2C6OIIE20B6Z0X1L5»⊕
[MLXZ]𝘲 class: 
[MX1L5]+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

catena–1D-[Ni(κN,κO-NO₂)₃]⊖

Formula Unicode styled: 
catena–1D-[Ni(κN,κO-NO₂)₃]⊖
Compound name(s): 
catena-[trinitro-nickel(1-)]
Central atom: 
Nickel
Attached groups: 
NO₂ (nitrito-κN,κO)
Charge on central atom: 
-1
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 20
Summary of calculated classifications: 
Ni«V2C6OIIE20B6Z0X3L3»⊖
[MLXZ]𝘲 class: 
[MX3L3]-
MLXZ class (ENC, equivalent neutral class): 
MX2L4