2-coordinate: angular (A-2)

[Co(CO)₂(HgCl)(Cp)]⊕

Formula Unicode styled: 
[Co(CO)₂(HgCl)(Cp)]⊕
Compound name(s): 
chloro-(dicarbonyl-π-cyclopentadienyl cobalt)-mercury(1+)
Central atom: 
Mercury
Attached groups: 
Cl (chloro)
Co group (L type)
Charge on central atom: 
1
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«V2C2OIIE4B2Z0X1L1»⊕
[MLXZ]𝘲 class: 
[MX1L1]+
MLXZ class (ENC, equivalent neutral class): 
MX2

[H(Yb group)]₂

Formula Unicode styled: 
[H(Yb group)]₂
Compound name(s): 
bis(μ₂-hydrido)-(μ₂-η⁵-1-((phenylphosphido)dimethylsilyl)-tetramethylc yclopentadienyl)-(η⁵-1-((phenylphosphido)dimethylsilyl)-tetramethylcyclopentpadienyl)-tris(tetrahydrofuran)-di-ytterbium
Central atom: 
Hydrogen
Attached groups: 
Yb group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Nb(F)(O)₂]

Formula Unicode styled: 
[Nb(F)(O)₂]
Compound name(s): 
Fluoro-dioxo-niobium
Niobium dioxide fluoride
Central atom: 
Fluorine
Attached groups: 
Nb group (X type)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
F«V3C2O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Pu(F)₄]⊖

Formula Unicode styled: 
[Pu(F)₄]⊖
Compound name(s): 
tetrafluoro-plutonium(1-)
Central atom: 
Fluorine
Attached groups: 
Pu group (X type)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
F«V3C2O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[Ag(F)₃]

Formula Unicode styled: 
[Ag(F)₃]
Compound name(s): 
Trifluoro-silver
Central atom: 
Fluorine
Attached groups: 
Ag group (X type)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
F«V3C2O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

[B(H)₂(μ₂-H)]₂

Formula Unicode styled: 
[B(H)₂(μ₂-H)]₂
Compound name(s): 
diborane
Central atom: 
Hydrogen
Attached groups: 
BR₂ (boranyl)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 1
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C1O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Al(H)₂(μ₂-H)(Thf)]₂

Formula Unicode styled: 
[Al(H)₂(μ₂-H)(Thf)]₂
Compound name(s): 
bis-[(μ₂-Hydrido)-dihydrido-tetrahydrofuran-aluminium]
Central atom: 
Hydrogen
Attached groups: 
Al group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Re(H)₂(μ₂-H)₂(PPh₃)₂]₂

Formula Unicode styled: 
[Re(H)₂(μ₂-H)₂(PPh₃)₂]₂
Compound name(s): 
bis-[bis(μ₂-Hydrido)-dihydrido-bis(triphenylphosphine)-rhenium(Re≡Re)]
Central atom: 
Hydrogen
Attached groups: 
Re group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Re(H)₂(μ₂-H)₂(PEt₂Ph)₂]₂

Formula Unicode styled: 
[Re(H)₂(μ₂-H)₂(PEt₂Ph)₂]₂
Compound name(s): 
bis-[bis(μ₂-Hydrido)-dihydrido-bis(diethylphenylphosphine)-rhenium(Re≡Re)]
Central atom: 
Hydrogen
Attached groups: 
Re group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

Re(H)₂(μ₂-H)(η⁵-C₅HMe₄)]₂

Formula Unicode styled: 
Re(H)₂(μ₂-H)(η⁵-C₅HMe₄)]₂
Compound name(s): 
bis-[(Dihydrido-(μ₂-hydrido)-(η⁵-tetramethylethyl-cyclopentadienyl)-rhenium(Re≡Re)]
Central atom: 
Hydrogen
Attached groups: 
Re group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[W(H)(μ₂-H)(NO)(Cp)]₂

Formula Unicode styled: 
[W(H)(μ₂-H)(NO)(Cp)]₂
Compound name(s): 
bis-[(η⁵-Cyclopentadienyl)-(μ₂-hydrido)-hydrido-nitrosyl-tungsten]
Central atom: 
Hydrogen
Attached groups: 
W group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Zr(H)(μ₂-H)(η⁵-C₅H₄Me)₂]₂

Formula Unicode styled: 
[Zr(H)(μ₂-H)(η⁵-C₅H₄Me)₂]₂
Compound name(s): 
bis-[(μ₂-Hydrido)-hydrido-di-(η⁵-methylcyclopentadienyl)-zirconium]
Central atom: 
Hydrogen
Attached groups: 
Zr group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Zr(H)(μ₂-H)(η⁵-C₅H₄Buᵗ)₂]₂

Formula Unicode styled: 
[Zr(H)(μ₂-H)(η⁵-C₅H₄Buᵗ)₂]₂
Compound name(s): 
bis-[(μ₂-Hydrido)-hydrido-(η⁵-t-butylcyclopentadienyl)-zirconium]
Central atom: 
Hydrogen
Attached groups: 
Zr group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Sm(μ₂-H)(Cp*)₂]₂

Formula Unicode styled: 
[Sm(μ₂-H)(Cp*)₂]₂
Compound name(s): 
bis-[μ₂-hydrido)-bis(η⁵-pentamethyl-cyclopentadienyl)-samarium]
Central atom: 
Hydrogen
Attached groups: 
Sm group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Dy(μ₂-H)(Thf){η⁵-C₅H₄(SiMe₃)}₂]₂

Formula Unicode styled: 
[Dy(μ₂-H)(Thf){η⁵-C₅H₄(SiMe₃)}₂]₂
Compound name(s): 
bis-[(μ-hydrido)-bis(η⁵-trimethylsilylcyclopentadienyl)-(tetrahydrofuran-dysprosium]
Central atom: 
Hydrogen
Attached groups: 
Dy group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Dy(CH₂SiMe₃)(Thf)(μ₂-H){η⁵-C₅(SiMe₃)Me₄}]₂

Formula Unicode styled: 
[Dy(CH₂SiMe₃)(Thf)(μ₂-H){η⁵-C₅(SiMe₃)Me₄}]₂
Compound name(s): 
bis-[(μ₂-hydrido)-(trimethylsilylmethyl)-(tetrahydrofuran)-(η⁵-1,2,3,4-tetramethyl-5-trimethylsilyl-cyclopentadienyl)-dysprosium]
Central atom: 
Hydrogen
Attached groups: 
Dy group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Er(μ₂-H)(Thf)(η⁵-C₅H₄Me)₂]₂

Formula Unicode styled: 
[Er(μ₂-H)(Thf)(η⁵-C₅H₄Me)₂]₂
Compound name(s): 
bis((μ²-Hydrido)-(η⁵-methylcyclopentadienyl)-tetrahydrofuran-erbium)
Central atom: 
Hydrogen
Attached groups: 
Er group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Tb(μ₂-H)(Thf){η⁵-C₅H₄(SiMe₃)}₂]₃

Formula Unicode styled: 
[Tb(μ₂-H)(Thf){η⁵-C₅H₄(SiMe₃)}₂]₃
Compound name(s): 
tris-[(mu-hydrido)-bis(η⁵-trimethylsilylcyclopentadienyl)-(tetrahydrofuran)-terbium]
Central atom: 
Hydrogen
Attached groups: 
Tb group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Tb(μ₂-H)(Thf){η⁵-C₅H₄(SiMe₃)}₂]₂

Formula Unicode styled: 
[Tb(μ₂-H)(Thf){η⁵-C₅H₄(SiMe₃)}₂]₂
Compound name(s): 
bis-[(mu-hydrido)-bis(η⁵-trimethylsilylcyclopentadienyl)-(tetrahydrofuran)-terbium]
Central atom: 
Hydrogen
Attached groups: 
Tb group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1

[Tb(μ₂-H)(Cp*)₂]₂

Formula Unicode styled: 
[Tb(μ₂-H)(Cp*)₂]₂
Compound name(s): 
bis-[(μ₂-Hydrido)-bis(η⁵-pentamethylcyclopentadienyl)-terbium]
Central atom: 
Hydrogen
Attached groups: 
Tb group (X type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 2
Summary of calculated classifications: 
H«V1C2O-IE2B1Z0L0X1»
[MLXZ]𝘲 class: 
[MX1]
MLXZ class (ENC, equivalent neutral class): 
MX1