EN: 21

trans–[Np{(O)₂}(Cl)₂(OPPh₃)₂]

Formula Unicode styled: 
trans–[Np{(O)₂}(Cl)₂(OPPh₃)₂]
Compound name(s): 
Dichloro-dioxo-(triphenylphosphine-oxide)-neptunium
Central atom: 
Neptunium
Attached groups: 
(O)₂ (di{oxo ⭀O X₂L} trans Ⓢ)
Cl (chloro)
OPPh₃ (triphenylphosphane oxide)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Np«V6C6OVIE21B10Z0X6L4»
[MLXZ]𝘲 class: 
[MX6L4]
MLXZ class (ENC, equivalent neutral class): 
MX6L4

trans–[Np{(O)₂}(O₂CMe-κO)₂(Bpy)]

Formula Unicode styled: 
trans–[Np{(O)₂}(O₂CMe-κO)₂(Bpy)]
Compound name(s): 
(Diacetato-O,O')-(2,2'-bipyridyl)-dioxo-neptunium(VI)
Central atom: 
Neptunium
Attached groups: 
(O)₂ (di{oxo ⭀O X₂L} trans Ⓢ)
O₂CMe (acetato-κO)
Bpy (bipyridine)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (VI)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Np«V6C6OVIE21B10Z0X6L4»
[MLXZ]𝘲 class: 
[MX6L4]
MLXZ class (ENC, equivalent neutral class): 
MX6L4

[Np(Dmso-κO)₇(O₂NO-κ²O)]³⊕

Formula Unicode styled: 
[Np(Dmso-κO)₇(O₂NO-κ²O)]³⊕
Compound name(s): 
heptakis(Dimethyl sulphoxide)-(nitrato-O,O')-neptunium|heptakis(Dimethyl sulfoxide)-(nitrato-O,O')-neptunium
Central atom: 
Neptunium
Attached groups: 
Dmso (dimethylsulfoxide-κO)
NO₃ (nitrato-κ²O)
Charge on central atom: 
3
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 9
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Np«V4C9OIVE21B9Z0X1L8»3⊕
[MLXZ]𝘲 class: 
[MX1L8]3+
MLXZ class (ENC, equivalent neutral class): 
MX4L5

[Np(OPh)(Cp₃)]

Formula Unicode styled: 
[Np(OPh)(Cp₃)]
Compound name(s): 
tris(eta-Cyclopentadienyl)-phenolato-neptunate
Central atom: 
Neptunium
Attached groups: 
OPh (phenoxy)
(Cp₃) (tris-(η⁵-cyclopentadienyl) Ⓢ)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 10
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Np«V4C10OIVE21B9Z0X4L5»
[MLXZ]𝘲 class: 
[MX4L5]
MLXZ class (ENC, equivalent neutral class): 
MX4L5