2-coordinate: linear (L-2)

cis–[Ru(NCMe)₂(Bpy)₂]²⊕

Formula Unicode styled: 
cis–[Ru(NCMe)₂(Bpy)₂]²⊕
Compound name(s): 
bis(Acetonitrile)-bis(2,2'-bipyridine)-ruthenium(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

trans–[Fe(NCMe)₄(PEt₃)₂]²⊕

Formula Unicode styled: 
trans–[Fe(NCMe)₄(PEt₃)₂]²⊕
Compound name(s): 
tetrakis(Acetonitrile)-bis(triethylphosphine)-iron(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Fe(NCMe)₆]²⊕

Formula Unicode styled: 
[Fe(NCMe)₆]²⊕
Compound name(s): 
hexakis(Acetonitrile)-iron(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

fac–[Fe(NCMe)₃([9]aneN₃-1,4,7-Me₃-κ³N)]²⊕

Formula Unicode styled: 
fac–[Fe(NCMe)₃([9]aneN₃-1,4,7-Me₃-κ³N)]²⊕
Compound name(s): 
(1,4,7-Trimethyl-1,4,7-triazacyclononane)-tris(acetonitrile)-iron(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

cis,cis,trans–[Fe(NCMe)₂(Dppm-κ²P)₂]²⊕

Formula Unicode styled: 
cis,cis,trans–[Fe(NCMe)₂(Dppm-κ²P)₂]²⊕
Compound name(s): 
bis(Acetonitrile)-bis(bis(diphenylphosphino)methane)-iron(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

cis,cis,trans–[Fe(NCMe)₂(Dppen)₂]²⊕

Formula Unicode styled: 
cis,cis,trans–[Fe(NCMe)₂(Dppen)₂]²⊕
Compound name(s): 
bis(Acetonitrile)-bis(cis-1,2-bis(diphenylphosphino)ethene)-iron(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

cis,cis,trans–[Fe(NCMe)₂(Dppe-κ²P)₂]²⊕

Formula Unicode styled: 
cis,cis,trans–[Fe(NCMe)₂(Dppe-κ²P)₂]²⊕
Compound name(s): 
bis(Acetonitrile-(1,2-bis(diphenylphosphino)ethane))-iron(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

cis–[Fe(NCMe)₂{P(OMe)₃}₄]²⊕

Formula Unicode styled: 
cis–[Fe(NCMe)₂{P(OMe)₃}₄]²⊕
Compound name(s): 
bis(Acetonitrile)-tetrakis(trimethylphosphite)-iron(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

trans–[Co(NCMe)₂(OPMe₃)₄]²⊕

Formula Unicode styled: 
trans–[Co(NCMe)₂(OPMe₃)₄]²⊕
Compound name(s): 
bis(Acetonitrile-N)-tetrakis(trimethylphosphine oxide-O)-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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

trans–[Co(NCMe)₂(OH₂)₄]²⊕

Formula Unicode styled: 
trans–[Co(NCMe)₂(OH₂)₄]²⊕
Compound name(s): 
bis(Acetonitrile)-tetra-aqua-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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Co(NCMe)₆]²⊕

Formula Unicode styled: 
[Co(NCMe)₆]²⊕
Compound name(s): 
hexakis(Acetonitrile-N)-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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Co(NCMe)(En)(Cp*)]²⊕

Formula Unicode styled: 
[Co(NCMe)(En)(Cp*)]²⊕
Compound name(s): 
acetonitrile-(1,2-diaminoethane-N,N')-(η⁵-pentamethylcyclopentadienyl)-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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Co(NCMe)(Dppe-κ²P)₂]²⊕

Formula Unicode styled: 
[Co(NCMe)(Dppe-κ²P)₂]²⊕
Compound name(s): 
(Acetonitrile)-bis(1,2-bis(diphenylphosphino)ethane)-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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Co(NCMe)(Dppe-κ²P)(Cp*)]²⊕

Formula Unicode styled: 
[Co(NCMe)(Dppe-κ²P)(Cp*)]²⊕
Compound name(s): 
acetonitrile-(1,2-bis(diphenylphosphino)ethane-P,P')-(η⁵-pentamethylcyclopentadienyl)-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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Co(NCMe)(Bpy)(Cp*)]²⊕

Formula Unicode styled: 
[Co(NCMe)(Bpy)(Cp*)]²⊕
Compound name(s): 
acetonitrile-(2,2'-bipyridyl-N,N')-(η⁵-pentamethylcyclopentadienyl)-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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Co(NCMe)(15-crown-5-κ⁵O)]²⊕

Formula Unicode styled: 
[Co(NCMe)(15-crown-5-κ⁵O)]²⊕
Compound name(s): 
bis(Acetonitrile-N)-(15-crown-5)-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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

trans–[Ni(NCMe)₂(OH₂)₄]²⊕

Formula Unicode styled: 
trans–[Ni(NCMe)₂(OH₂)₄]²⊕
Compound name(s): 
bis(acetonitrile-N)-tetra-aqua-nickel(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

trans–[Ni(NCMe)₂([14]aneN₄-κ⁴N)]²⊕

Formula Unicode styled: 
trans–[Ni(NCMe)₂([14]aneN₄-κ⁴N)]²⊕
Compound name(s): 
bis(Acetonitrile)-(1,4,8,11-tetra-azacyclotetradecane)-nickel(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Ni(NCMe)₆]²⊕

Formula Unicode styled: 
[Ni(NCMe)₆]²⊕
Compound name(s): 
Hexa(acetonitrile) nickel(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Ni(NCMe)(Dppm-κ²P)₂]²⊕

Formula Unicode styled: 
[Ni(NCMe)(Dppm-κ²P)₂]²⊕
Compound name(s): 
Acetonitrile-bis(bis(diphenylphosphino)methane)-nickel(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: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4