3-coordinate: trigonal planar (p-block element, 0 lone pairs)

[Ga(Buᵗ)₂{Mo(CO)₃(Cp)}]

Formula Unicode styled: 
[Ga(Buᵗ)₂{Mo(CO)₃(Cp)}]
Compound name(s): 
di-t-butyl-tricarbonyl-(η-cyclopentadienyl)-gallium-molybdenum
Central atom: 
Gallium
Attached groups: 
Buᵗ (t-butyl)
Mo group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
Ga«V3C3OIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Ga(Buᵗ)₂{Fe(CO)₂Cp}]

Formula Unicode styled: 
[Ga(Buᵗ)₂{Fe(CO)₂Cp}]
Compound name(s): 
Dicarbonyl-(η⁵-cyclopentadienyl)-bis(t-butyl)-gallium-iron
Central atom: 
Gallium
Attached groups: 
Buᵗ (t-butyl)
Fe(CO)₂Cp (dicarbonylcyclopentadienyliron)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
Ga«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Mn((GaCp₂)(CO)₅]

Formula Unicode styled: 
[Mn((GaCp₂)(CO)₅]
Compound name(s): 
Pentacarbonyl-bis(pentamethyl-cycopentadien-1-yl)-gallium-manganese
Central atom: 
Gallium
Attached groups: 
Cp (cyclopentadienyl-κC)
Mn group (X type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
Ga«V3C3OIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[In(Et)₂{Ir(Et)(H)(PMe₃)₃}]

Formula Unicode styled: 
[In(Et)₂{Ir(Et)(H)(PMe₃)₃}]
Compound name(s): 
(Diethyl-indium)-ethyl-hydrido-tris(trimethylphophine)-iridium
Central atom: 
Indium
Attached groups: 
Et (ethyl)
Ir group (X 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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
In«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[Ca(Cl)₂]

Formula Unicode styled: 
[Ca(Cl)₂]
Compound name(s): 
dichloro-calcium
calcium dichloride
Central atom: 
Chlorine
Attached groups: 
Ca 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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Cl«V3C3O-I»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

catena–3D-[Co(μ₃-F)₂]

Formula Unicode styled: 
catena–3D-[Co(μ₃-F)₂]
Compound name(s): 
catena-[difluoro-cobalt]
cobalt difluoride
cobaltous fluoride
Central atom: 
Fluorine
Attached groups: 
Co group (X type)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (-I)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
F«V5C3O-IE8B3L0X1Z2»
[MLXZ]𝘲 class: 
[MX1Z2]
MLXZ class (ENC, equivalent neutral class): 
MX1Z2

catena–1D-trans–[C(H)]

Formula Unicode styled: 
catena–1D-trans–[C(H)]
Compound name(s): 
catena-1D-trans-poly-acetylene
Central atom: 
Carbon
Attached groups: 
H (hydrido)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
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: 
C«V4C2O-IE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

catena–1D-cis–[C(H)]

Formula Unicode styled: 
catena–1D-cis–[C(H)]
Compound name(s): 
catena-1D-cis-poly-acetylene
Central atom: 
Carbon
Attached groups: 
H (hydrido)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
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: 
C«V4C2O-IE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Sb(η²-Cp*){Cr(CO)₅}₂]

Formula Unicode styled: 
[Sb(η²-Cp*){Cr(CO)₅}₂]
Compound name(s): 
(η²-pentamethyl-cyclopentadienyl)-antimony-bis(pentacarbonyl-chromium)
Central atom: 
Antimony
Attached groups: 
Cp*-η² (η²-pentamethylcyclopentadienyl)
Cr(CO)₅ (pentacarbonylchromium)
Charge on central atom: 
1
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Sb«V5C3OIE8B4X0L2Z2»⊕
[MLXZ]𝘲 class: 
[ML2Z2]+
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[C(H)(=CH₂)(C₆₂H₈₈CoN₁₃O₁₄P)]

Formula Unicode styled: 
[C(H)(=CH₂)(C₆₂H₈₈CoN₁₃O₁₄P)]
Compound name(s): 
vinyl-cobalamin
Central atom: 
Carbon
Attached groups: 
H (hydrido)
=CH₂ (methylidene)
cobalamin (vitamin B₁₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C3O-IIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[O(SbMe₂)₃]⊕

Formula Unicode styled: 
[O(SbMe₂)₃]⊕
Compound name(s): 
tris(Dimethyl-antimonyl)oxonium(1+)
Central atom: 
Oxygen
Attached groups: 
SbMe₂ (dimethylstibanyl)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
O«V4C3O-IIE8B3Z0L0X3»⊕
[MLXZ]𝘲 class: 
[MX3]+
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[C(H)(Ph)₂]⊖

Formula Unicode styled: 
[C(H)(Ph)₂]⊖
Compound name(s): 
hydro-diphenyl-carbon(1-)
diphenylmethanide
Central atom: 
Carbon
Attached groups: 
H (hydrido)
Ph (phenyl)
Charge on central atom: 
-1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C3O-IIE8B4L0X3Z1»⊖
[MLXZ]𝘲 class: 
[MX3Z1]-
MLXZ class (ENC, equivalent neutral class): 
MX4

[C(Fc)₂(O)]

Formula Unicode styled: 
[C(Fc)₂(O)]
Compound name(s): 
Diferrocenyl ketone
Central atom: 
Carbon
Attached groups: 
Fc (ferrocenyl-κC)
O (oxo X₂)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
C«V4C3OIIE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[B{N(C₆H₂Buᵗ₃)H}(NH₂)₂]

Formula Unicode styled: 
[B{N(C₆H₂Buᵗ₃)H}(NH₂)₂]
Compound name(s): 
Diamino-(2,4,6-tri-t-butylphenylamino)-borane
Central atom: 
Boron
Attached groups: 
N(C₆H₂Buᵗ₃)H (2,4,6-tri-t-butylphenyl)amino)
NH₂ (amino)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
B«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[B{C₆H₂(CF₃)₃-2,4,6}₂(F)]

Formula Unicode styled: 
[B{C₆H₂(CF₃)₃-2,4,6}₂(F)]
Compound name(s): 
bis(2,4,6-tris(Trifluoromethyl)phenyl)-fluoro-borane
Central atom: 
Boron
Attached groups: 
C₆H₂(CF₃)₃-2,4,6 (2,4,6-(tris-trifluoromethyl)-phenyl)
F (fluoro)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
B«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[B(OSnPh₃)₃]

Formula Unicode styled: 
[B(OSnPh₃)₃]
Compound name(s): 
tris(Triphenylstannyl)boron
Central atom: 
Boron
Attached groups: 
OSnPh₃ (triphenylstannoxy)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
B«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[B(OSiPh₃)₃]

Formula Unicode styled: 
[B(OSiPh₃)₃]
Compound name(s): 
tris(Triphenylsiloxy)borane
Central atom: 
Boron
Attached groups: 
OSiPh₃ (triphenylsiloxy)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
B«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[B(OMe)₃]

Formula Unicode styled: 
[B(OMe)₃]
Compound name(s): 
trimethoxy-boron
Central atom: 
Boron
Attached groups: 
OMe (methoxy)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 6
Summary of calculated classifications: 
B«V3C3OIIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[B(OH)(OSnPh₃)₂]

Formula Unicode styled: 
[B(OH)(OSnPh₃)₂]
Compound name(s): 
hydroxy-bis(Triphenylstannyl)borane
Central atom: 
Boron
Attached groups: 
OH (hydroxo; XL)
OSnPh₃ (triphenylstannoxy)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
B«V3C3OIIIE8B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[B(OEt)(PMes₂)₂]

Formula Unicode styled: 
[B(OEt)(PMes₂)₂]
Compound name(s): 
Ethoxy-bis(dimesitylphosphino)borane
Central atom: 
Boron
Attached groups: 
OEt (ethoxy XL)
PMes₂ (dimesitylphosphanyl)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
B«V3C3OIIIE8B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1