2-coordinate: linear (L-2)

[Hg(Br)(CH₂COMe)]

Formula Unicode styled: 
[Hg(Br)(CH₂COMe)]
Compound name(s): 
bromo-(2-acetylmethyl)-mercury
Central atom: 
Mercury
Attached groups: 
Br (bromo)
CH₂COMe (acetylmethyl)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 4
Summary of calculated classifications: 
Hg«V2C2OIIE4B2Z0L0X2»
[MLXZ]𝘲 class: 
[MX2]
MLXZ class (ENC, equivalent neutral class): 
MX2

[C(HgCN)₄]

Formula Unicode styled: 
[C(HgCN)₄]
Compound name(s): 
tetra(cyanomercuri)methane
Central atom: 
Carbon
Attached groups: 
HgCN (cyanomercury)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C4O-IVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Hg(NC₅H₄CN)]₂²⊕

Formula Unicode styled: 
[Hg(NC₅H₄CN)]₂²⊕
Compound name(s): 
bis-[4-cyanopyridine-mercury(1+)] (Hg—Hg)
Central atom: 
Mercury
Attached groups: 
NC₅H₄CN (4-cyanopyridine)
Charge on central atom: 
1
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 4
Summary of calculated classifications: 
Hg«V2C2OIE4B2Z0X1L1»⊕
[MLXZ]𝘲 class: 
[MX1L1]+
MLXZ class (ENC, equivalent neutral class): 
MX2

[Hg(PMe₃)₂]²⊕

Formula Unicode styled: 
[Hg(PMe₃)₂]²⊕
Compound name(s): 
bis(trimethylphosphine)-mercury(2+)
Central atom: 
Mercury
Attached groups: 
PMe₃ (trimethylphosphane)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 4
Summary of calculated classifications: 
Hg«V2C2OIIE4B2Z0X0L2»2⊕
[MLXZ]𝘲 class: 
[ML2]2+
MLXZ class (ENC, equivalent neutral class): 
MX2

[P{Zr(Cp)₂}₂]

Formula Unicode styled: 
[P{Zr(Cp)₂}₂]
Compound name(s): 
(μ₂-phosphido)-tetrakis(η⁵-pentamethyl-cyclopentadienyl)-di-zirconium
Central atom: 
Phosphorus
Attached groups: 
Zr group (X type)
Zr group (X₂ type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (-III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V3C2O-IIIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[P{=C(SiMe₃)₂}{Mo(CO)₂Cp}]

Formula Unicode styled: 
[P{=C(SiMe₃)₂}{Mo(CO)₂Cp}]
Compound name(s): 
(η⁵ -cyclopentadienyl)-dicarbonyl-(bis(trimethylsilyl)methylidene-phosphine-P)-molybdenum
Central atom: 
Phosphorus
Attached groups: 
=C(SiMe₃)₂ (bistrimethylsilylmethylidene)
Mo group (XZ type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V5C2OIE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[S{Cr(CO)₂Cp}₂]

Formula Unicode styled: 
[S{Cr(CO)₂Cp}₂]
Compound name(s): 
bis(η⁵-cyclopentadienyl-dicarbonyl-chromium)-sulfur
Central atom: 
Sulfur
Attached groups: 
Cr(CO)₂Cp (dicarbonylcyclopentadienylchromium XZ)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 6
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
S«V6C2O-IIE8B4L0X2Z2»
[MLXZ]𝘲 class: 
[MX2Z2]
MLXZ class (ENC, equivalent neutral class): 
MX2Z2

[Nb(NCMe)₆(Cp)]⁴⊕

Formula Unicode styled: 
[Nb(NCMe)₆(Cp)]⁴⊕
Compound name(s): 
hexakis(acetonitrile-N)-(η⁵-cyclopentadienyl)-niobium(4+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Tb(NCMe)₂(OH₂)₆]³⊕

Formula Unicode styled: 
[Tb(NCMe)₂(OH₂)₆]³⊕
Compound name(s): 
bis(Acetonitrile)-hexa-aqua-terbium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Dy(NCMe)(12-crown-4-κ⁴O)₂]³⊕

Formula Unicode styled: 
[Dy(NCMe)(12-crown-4-κ⁴O)₂]³⊕
Compound name(s): 
(acetonitrile)-bis(4-crown-12)-dysprosium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Gd(NCMe)₄(OH₂)₄]³⊕

Formula Unicode styled: 
[Gd(NCMe)₄(OH₂)₄]³⊕
Compound name(s): 
Tetraaqua-tetrakis(acetonitrile)-gadolinium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Sm(NCMe)₉]³⊕

Formula Unicode styled: 
[Sm(NCMe)₉]³⊕
Compound name(s): 
nonakis(Acetonitrile)-samarium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Nd(NCMe)₉]³⊕

Formula Unicode styled: 
[Nd(NCMe)₉]³⊕
Compound name(s): 
nonakis(acetonitrile)-neodymium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Nd(NCMe)(Tren-κ⁴N)₂]³⊕

Formula Unicode styled: 
[Nd(NCMe)(Tren-κ⁴N)₂]³⊕
Compound name(s): 
Acetonitrile-bis(2,2',2''-triaminotriethylamine)-neodymium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Rh(NCMe)₆]³⊕

Formula Unicode styled: 
[Rh(NCMe)₆]³⊕
Compound name(s): 
hexakis(Acetonitrile)-rhodium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

cis–[Fe(NCMe)₂(OPPh₃)₄]³⊕

Formula Unicode styled: 
cis–[Fe(NCMe)₂(OPPh₃)₄]³⊕
Compound name(s): 
bis(Acetonitrile-N)-tetrakis(triphenylphosphine-oxide)-iron(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Al(NCMe)₆]³⊕

Formula Unicode styled: 
[Al(NCMe)₆]³⊕
Compound name(s): 
hexakis(Acetonitrilo)-aluminium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Bi(NCMe)(12-crown-4-κ⁴O)₂]³⊕

Formula Unicode styled: 
[Bi(NCMe)(12-crown-4-κ⁴O)₂]³⊕
Compound name(s): 
acetonitrile-bis(12-crown-4)-bismuth(2+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Cr(NCMe)₆]³⊕

Formula Unicode styled: 
[Cr(NCMe)₆]³⊕
Compound name(s): 
hexakis(Acetonitrile)-chromium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Yb(NCMe)₈]³⊕

Formula Unicode styled: 
[Yb(NCMe)₈]³⊕
Compound name(s): 
octakis(Acetonitrile)-ytterbium(3+)
Central atom: 
Carbon
Attached groups: 
Me (methyl)
N (nitrido; ≡N→M)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C2OIIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4