3-coordinate: trigonal planar (p-block element, 1 lone pair)

fac–[Fe(N=N=N)₂(NO)([9]aneN₃-1,4,7-Me₃-κ³N)]

Formula Unicode styled: 
fac–[Fe(N=N=N)₂(NO)([9]aneN₃-1,4,7-Me₃-κ³N)]
Compound name(s): 
Diazido-nitrosyl-(N,N',N''-trimethyl-1,4,7-triazacyclononane-N,N',N'')-iron
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Eu(N=N=N)₈]⁵⊖

Formula Unicode styled: 
[Eu(N=N=N)₈]⁵⊖
Compound name(s): 
octa-azido-europium(5-)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)₄]²⊖

Formula Unicode styled: 
[Cu(N=N=N)₄]²⊖
Compound name(s): 
tetraazidocopper(2-)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)₂(μ₂-N₃)]₂²⊖

Formula Unicode styled: 
[Cu(N=N=N)₂(μ₂-N₃)]₂²⊖
Compound name(s): 
bis-[(μ₂-azido)-di(azido)-copper(1-)]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)₂(Tn)₂]

Formula Unicode styled: 
[Cu(N=N=N)₂(Tn)₂]
Compound name(s): 
Diazido-bis(propane-1,3-diamine)-copper
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)₂(Terpy-κ³N)]

Formula Unicode styled: 
[Cu(N=N=N)₂(Terpy-κ³N)]
Compound name(s): 
Diazido-(2,2':6',2''-terpyridine-N,N',N'')-copper
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)₂(Py)₂]

Formula Unicode styled: 
[Cu(N=N=N)₂(Py)₂]
Compound name(s): 
di(azido)-dipyridyl-copper
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)₂(Bpy)]

Formula Unicode styled: 
[Cu(N=N=N)₂(Bpy)]
Compound name(s): 
Diazido-(2,2'-bipyridine) copper
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)(Phen)₂]⊕

Formula Unicode styled: 
[Cu(N=N=N)(Phen)₂]⊕
Compound name(s): 
(azido)-bis(1,10-phenanthroline)-copper91+)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)(PCy₃)₂]

Formula Unicode styled: 
[Cu(N=N=N)(PCy₃)₂]
Compound name(s): 
azido-bis((tricyclohexyl)phosphine)-copper
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)(OH₂)(Terpy-κ³N)]⊕

Formula Unicode styled: 
[Cu(N=N=N)(OH₂)(Terpy-κ³N)]⊕
Compound name(s): 
bis-[Aqua-(terpyridinyl-N,N',N'')-(μ₂-azido)-copper(1+)]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cu(N=N=N)(OH₂)(Terpy-κ³N)]⊕

Formula Unicode styled: 
[Cu(N=N=N)(OH₂)(Terpy-κ³N)]⊕
Compound name(s): 
Aqua-(terpyridinyl-N,N',N'')-azido-copper(1+)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cr(N=N=N)₄(N)]²⊖

Formula Unicode styled: 
[Cr(N=N=N)₄(N)]²⊖
Compound name(s): 
tetrakis(azido)-nitrido-chromium(1-)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Cr(N=N=N)₃([10]aneN₃-κ³N)]

Formula Unicode styled: 
[Cr(N=N=N)₃([10]aneN₃-κ³N)]
Compound name(s): 
(1,4,7-Triazacyclononane)-triazido-chromium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Co(N=N=N)₂(Phen)₂]

Formula Unicode styled: 
[Co(N=N=N)₂(Phen)₂]
Compound name(s): 
Diazido-bis(1,10-phenanthroline)-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Co(N=N=N)₂(En)₂]⊕

Formula Unicode styled: 
[Co(N=N=N)₂(En)₂]⊕
Compound name(s): 
diazido-bis(ethylenediamine)-cobalt(1+)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Co(N=N=N)₂(Bpy)₂]⊕

Formula Unicode styled: 
[Co(N=N=N)₂(Bpy)₂]⊕
Compound name(s): 
Diazido-bis(2,2'-bipyridine)-cobalt(1+)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Co(N=N=N)(SO₃-κS)(En)₂]

Formula Unicode styled: 
[Co(N=N=N)(SO₃-κS)(En)₂]
Compound name(s): 
Azido-bis(ethylenediamine-N,N')-(sulfito-S)-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Co(N=N=N)(NH₃)₅]²⊕

Formula Unicode styled: 
[Co(N=N=N)(NH₃)₅]²⊕
Compound name(s): 
Azido-pentaammine-cobalt(2+)
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Co(N=N=N)(CO)₂(PMe₃)₂]

Formula Unicode styled: 
[Co(N=N=N)(CO)₂(PMe₃)₂]
Compound name(s): 
Azido-dicarbonyl-bis(trimethylphosphine)-cobalt
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
N«V3C2O-IE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3