6-coordinate: octahedron (OC-6)

trans–[Np{(O)₂}(Cl)₄]²⊖

Formula Unicode styled: 
trans–[Np{(O)₂}(Cl)₄]²⊖
Compound name(s): 
tetrachloro-dioxo-neptunate
Central atom: 
Neptunium
Attached groups: 
(O)₂ (di{oxo ⭀O X₂L} trans Ⓢ)
Cl (chloro)
Charge on central atom: 
-2
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«V6C6OVIE21B10Z0X8L2»2⊖
[MLXZ]𝘲 class: 
[MX8L2]2-
MLXZ class (ENC, equivalent neutral class): 
MX6L4

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}(OPPh₃)₄]⊕

Formula Unicode styled: 
trans–[Np{(O)₂}(OPPh₃)₄]⊕
Compound name(s): 
Dioxo-tetrakis(triphenylphosphine oxide-O)-neptunium(V)
Central atom: 
Neptunium
Attached groups: 
(O)₂ (di{oxo ⭀O X₂L} trans Ⓢ)
OPPh₃ (triphenylphosphane oxide)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 22
Summary of calculated classifications: 
Np«V5C6OVE22B10Z0X4L6»⊕
[MLXZ]𝘲 class: 
[MX4L6]+
MLXZ class (ENC, equivalent neutral class): 
MX5L5

trans–[Np{(O)₂}(OH₂)(O₂CMe)(N₂C₃H₄)₂]

Formula Unicode styled: 
trans–[Np{(O)₂}(OH₂)(O₂CMe)(N₂C₃H₄)₂]
Compound name(s): 
(Acetato-O,O')-aqua-bis(1H-imidazole-kappaN-)-dioxo-neptunium(v)
Central atom: 
Neptunium
Attached groups: 
(O)₂ (di{oxo ⭀O X₂L} trans Ⓢ)
OH₂ (aqua)
O₂CMe (acetato-κ²O)
N₂C₃H₄ (Imidazole)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 7
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 24
Summary of calculated classifications: 
Np«V5C7OVE24B11Z0X5L6»
[MLXZ]𝘲 class: 
[MX5L6]
MLXZ class (ENC, equivalent neutral class): 
MX5L6

[Np(F)₆]

Formula Unicode styled: 
[Np(F)₆]
Compound name(s): 
neptunium hexafluoride
neptunium fluoride
Central atom: 
Neptunium
Attached groups: 
F (fluoro)
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: 13
Summary of calculated classifications: 
Np«V6C6OVIE13B6Z0L0X6»
[MLXZ]𝘲 class: 
[MX6]
MLXZ class (ENC, equivalent neutral class): 
MX6

[Np(Cl)₆]²⊖

Formula Unicode styled: 
[Np(Cl)₆]²⊖
Compound name(s): 
hexachloro-neptuniate
Central atom: 
Neptunium
Attached groups: 
Cl (chloro)
Charge on central atom: 
-2
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 15
Summary of calculated classifications: 
Np«V4C6OIVE15B6Z0L0X6»2⊖
[MLXZ]𝘲 class: 
[MX6]2-
MLXZ class (ENC, equivalent neutral class): 
MX4L2

[P(F)₅(Py)]

Formula Unicode styled: 
[P(F)₅(Py)]
Compound name(s): 
pyridine(pentafluoro)phosphorane
Central atom: 
Phosphorus
Attached groups: 
F (fluoro)
Py (pyridine)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
P«V5C6OVE12B6Z0X5L1»
[MLXZ]𝘲 class: 
[MX5L1]
MLXZ class (ENC, equivalent neutral class): 
MX5L1

[P(F)₄(Acac)]

Formula Unicode styled: 
[P(F)₄(Acac)]
Compound name(s): 
Acetylacetonato(tetrafluoro)phosphorane
Central atom: 
Phosphorus
Attached groups: 
F (fluoro)
Acac (acetylacetonato)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
P«V5C6OVE12B6Z0X5L1»
[MLXZ]𝘲 class: 
[MX5L1]
MLXZ class (ENC, equivalent neutral class): 
MX5L1

[P(Cl)₆]⊖

Formula Unicode styled: 
[P(Cl)₆]⊖
Compound name(s): 
hexachlorophosphate
Central atom: 
Phosphorus
Attached groups: 
Cl (chloro)
Charge on central atom: 
-1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
P«V5C6OVE12B6Z0L0X6»⊖
[MLXZ]𝘲 class: 
[MX6]-
MLXZ class (ENC, equivalent neutral class): 
MX5L1

[P(N₃)₆]⊖

Formula Unicode styled: 
[P(N₃)₆]⊖
Compound name(s): 
hexaazidophosphate
Central atom: 
Phosphorus
Attached groups: 
N₃ (azido)
Charge on central atom: 
-1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (V)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 12
Summary of calculated classifications: 
P«V5C6OVE12B6Z0L0X6»⊖
[MLXZ]𝘲 class: 
[MX6]-
MLXZ class (ENC, equivalent neutral class): 
MX5L1