Np group (X type)

catena–2D-[Np(μ₂-I)(μ₃-I)₂]

Formula Unicode styled: 
catena–2D-[Np(μ₂-I)(μ₃-I)₂]
Compound name(s): 
tri-iodo-neptunium
neptunium triiodide
Central atom: 
Iodine
Attached groups: 
Np group (X type)
Charge on central atom: 
0
Compound type: 
Catena-2D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
I«V3C2O-IE8B2L0X1Z1»
[MLXZ]𝘲 class: 
[MX1Z1]
MLXZ class (ENC, equivalent neutral class): 
MX1Z1

catena–2D-[Np(μ₃-F)₂(O)₂]

Formula Unicode styled: 
catena–2D-[Np(μ₃-F)₂(O)₂]
Compound name(s): 
di-fluoro-di-oxo-neptunium
Neptunium dioxide difluoride
Central atom: 
Fluorine
Attached groups: 
Np group (X type)
Charge on central atom: 
0
Compound type: 
Catena-2D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
F«V5C3O-IE8B3L0X1Z2»
[MLXZ]𝘲 class: 
[MX1Z2]
MLXZ class (ENC, equivalent neutral class): 
MX1Z2

[Np(F)₆]

Formula Unicode styled: 
[Np(F)₆]
Compound name(s): 
neptunium hexafluoride
neptunium fluoride
Central atom: 
Fluorine
Attached groups: 
Np group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
F«V1C1O-IE8B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1