O (oxo X₂)

[Re(Me)(O)₃{N(CH)₄NO}]

Formula Unicode styled: 
[Re(Me)(O)₃{N(CH)₄NO}]
Compound name(s): 
(pyrazine-4-oxide)-methyl-trioxo-rhenium
Central atom: 
Rhenium
Attached groups: 
Me (methyl)
O (oxo X₂)
N(CH)₄NO (pyrazine-N-oxide)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Re«V7C5OVIIE16B8Z0X7L1»
[MLXZ]𝘲 class: 
[MX7L1]
MLXZ class (ENC, equivalent neutral class): 
MX7L1

trans–[Re₂(O)₂(μ₂–O)(Tpp)₂]

Formula Unicode styled: 
trans–[Re₂(O)₂(μ₂–O)(Tpp)₂]
Compound name(s): 
(μ-oxo)-dioxo-bis[5,10,15,20-tetraphenylporphyrinato]-di-rhenium
Central atom: 
Rhenium
Attached groups: 
O (oxo X₂)
O (μ₂–oxo X₂L₂)
Tpp (tetraphenylporphyrin)
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: 18
Summary of calculated classifications: 
Re«V5C6OVE18B8Z0X5L3»
[MLXZ]𝘲 class: 
[MX5L3]
MLXZ class (ENC, equivalent neutral class): 
MX5L3

trans–[Np(μ₂-OH)(O)₄]²⊖

Formula Unicode styled: 
trans–[Np(μ₂-OH)(O)₄]²⊖
Compound name(s): 
tetraoxo-hydroxo-neptunium(2-)
Central atom: 
Neptunium
Attached groups: 
OH (μ₂-hydroxy)
O (oxo X₂)
Charge on central atom: 
-2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 20
Summary of calculated classifications: 
Np«V7C6OVIIE20B10Z0X9L1»2⊖
[MLXZ]𝘲 class: 
[MX9L1]2-
MLXZ class (ENC, equivalent neutral class): 
MX7L3

[Cm(Cl)(O)]

Formula Unicode styled: 
[Cm(Cl)(O)]
Compound name(s): 
Oxo-chloro-curium
Central atom: 
Curium
Attached groups: 
Cl (chloro)
O (oxo X₂)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 9
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Cm«V3C9OIII»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

axial–[Np(O)(Tren-TIPS-κ⁴N)]

Formula Unicode styled: 
axial–[Np(O)(Tren-TIPS-κ⁴N)]
Compound name(s): 
oxo-(N,N',N''-[nitrilotri(ethane-2,1-diyl)]tris[tri(propan-2-yl)silanaminido])-neptunium
Central atom: 
Neptunium
Attached groups: 
O (oxo X₂)
Tren-TIPS (N'-triisopropylsilyl-N,N-bis{2-(triisopropylsilyl-amino)ethyl}ethane-1,2-diaminato-κ⁴N)
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 20
Summary of calculated classifications: 
Np«V5C5OVE20B9Z0X5L4»
[MLXZ]𝘲 class: 
[MX5L4]
MLXZ class (ENC, equivalent neutral class): 
MX5L4

[Pm₂(O)₃]

Formula Unicode styled: 
[Pm₂(O)₃]
Compound name(s): 
dipromethium-trioxide
Central atom: 
Promethium
Attached groups: 
O (oxo X₂)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Pm«V3C6OIII»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

catena–1D-trans–[Np(μ₂-OH)(O)₄]²⊖

Formula Unicode styled: 
catena–1D-trans–[Np(μ₂-OH)(O)₄]²⊖
Compound name(s): 
tetraoxo-hydroxo-neptunium(2-)
Central atom: 
Neptunium
Attached groups: 
OH (μ₂-hydroxy)
O (oxo X₂)
Charge on central atom: 
-2
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 20
Summary of calculated classifications: 
Np«V7C6OVIIE20B10Z0X9L1»2⊖
[MLXZ]𝘲 class: 
[MX9L1]2-
MLXZ class (ENC, equivalent neutral class): 
MX7L3

[Pu(O)₆]⁵⊖

Formula Unicode styled: 
[Pu(O)₆]⁵⊖
Compound name(s): 
hexaoxoplutonium(5-)
Central atom: 
Plutonium
Attached groups: 
O (oxo X₂)
Charge on central atom: 
-5
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 7
Oxidation Number (ON) (Roman numerals): 
ON: (VII)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 25
Summary of calculated classifications: 
Pu«V7C6OVIIE25B12Z0L0X12»5⊖
[MLXZ]𝘲 class: 
[MX12]5-
MLXZ class (ENC, equivalent neutral class): 
MX7L5

[N(Ph)(O)₂]

Formula Unicode styled: 
[N(Ph)(O)₂]
Compound name(s): 
Nitrobenzene
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(Ph)(O)(=NTol)]

Formula Unicode styled: 
[N(Ph)(O)(=NTol)]
Compound name(s): 
Methyl-azoxybenzene
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(N)(O)]

Formula Unicode styled: 
[N(N)(O)]
Compound name(s): 
Nitrogen(I) oxide
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(Me)(O)(O)]

Formula Unicode styled: 
[N(Me)(O)(O)]
Compound name(s): 
Nitromethane
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(Tol-p)(O)₂]

Formula Unicode styled: 
[N(Tol-p)(O)₂]
Compound name(s): 
Nitrotoluene
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(Prⁱ)(O)₂]

Formula Unicode styled: 
[N(Prⁱ)(O)₂]
Compound name(s): 
2-Nitropropane
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(OH)(O)₂]

Formula Unicode styled: 
[N(OH)(O)₂]
Compound name(s): 
Hydroxy-dioxo-nitrogen (nitric acid)
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(O)₂]₂

Formula Unicode styled: 
[N(O)₂]₂
Compound name(s): 
Dinitrogen tetraoxide
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(NMe₂)(O)₂]

Formula Unicode styled: 
[N(NMe₂)(O)₂]
Compound name(s): 
N,N-Dimethylnitramine
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(NH₂)(O)(O)]

Formula Unicode styled: 
[N(NH₂)(O)(O)]
Compound name(s): 
Nitramide
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(Mes)(O)(O)]

Formula Unicode styled: 
[N(Mes)(O)(O)]
Compound name(s): 
Nitromesitylene
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[N(C₆H₄OH)(O)(O)]

Formula Unicode styled: 
[N(C₆H₄OH)(O)(O)]
Compound name(s): 
p-Nitrophenol
Central atom: 
Oxygen
Attached groups: 
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (O)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V2C1OOE8B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2