4-coordinate: tetrahedral (p-block element, 1 lone pair)

trans–[Yb(Cl)₂(μ₂-Cl)(Thf-κO)₂]₂

Formula Unicode styled: 
trans–[Yb(Cl)₂(μ₂-Cl)(Thf-κO)₂]₂
Compound name(s): 
bis-[μ₂-chloro)-bis(bis(tetrahydrofuran)-dichloro-ytterbium]
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

catena–1D-cis–[Yb(μ₂-TePh)₂(Thf-κO)₂]₂

Formula Unicode styled: 
catena–1D-cis–[Yb(μ₂-TePh)₂(Thf-κO)₂]₂
Compound name(s): 
catena-[(bis(μ₂-phenyltelluro)-bis(tetrahydrofuran)-ytterbium]
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

cis–[Yb(μ₂-I)(Thf-κO)₂(Cp*)]₂

Formula Unicode styled: 
cis–[Yb(μ₂-I)(Thf-κO)₂(Cp*)]₂
Compound name(s): 
bis-[(μ₂-Iodo)-bis(tetrahydrofuran)-(η⁵-pentamethyl-cyclopentadienyl)-ytterbium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

cis–[Yb(μ₂-F)(Thf-κO)₂(η⁵-C₅HPh₄)]₂

Formula Unicode styled: 
cis–[Yb(μ₂-F)(Thf-κO)₂(η⁵-C₅HPh₄)]₂
Compound name(s): 
bis-[(mu-fluoro)-(η⁵-tetraphenylcyclopentadienyl)-di(tetrahydrofuran)-ytterbium]
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

cis–[Yb(μ₂-Br)(Thf-κO)₂(η⁵-C₅HPh₄)]₂

Formula Unicode styled: 
cis–[Yb(μ₂-Br)(Thf-κO)₂(η⁵-C₅HPh₄)]₂
Compound name(s): 
bis-[(mu-bromo)-(η⁵-tetraphenylcyclopentadienyl)-di(tetrahydrofuran)-ytterbium]
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Y(Thf-κO)(Ind₃)]

Formula Unicode styled: 
[Y(Thf-κO)(Ind₃)]
Compound name(s): 
tris(η⁵-Indenyl)-(tetrahydrofuran)-yttrium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Y(Cl)(Thf-κO)(Ind*)₂]

Formula Unicode styled: 
[Y(Cl)(Thf-κO)(Ind*)₂]
Compound name(s): 
bis(η⁵-1,2,3,4,5,6,7-Heptamethylindenyl)-chloro-(tetrahydrofuran)-yttrium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Y(CH₂SiMe₃)₂(Thf-κO){η⁵-C₉H₅(SiMe₃)₂}]

Formula Unicode styled: 
[Y(CH₂SiMe₃)₂(Thf-κO){η⁵-C₉H₅(SiMe₃)₂}]
Compound name(s): 
(η⁵-1,3-bis(Trimethylsilyl)indenyl)-bis((trimethylsilyl)methyl)-(tetrahydrofuran)-yttrium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Y(C≡CPh)(Thf-κO)(Cp)(Tp*-κ³N)]

Formula Unicode styled: 
[Y(C≡CPh)(Thf-κO)(Cp)(Tp*-κ³N)]
Compound name(s): 
(Hydrogen tris(3,5-dimethylpyrazolyl)borato)-(η⁵-cyclopentadienyl)-(phenylethynyl)-tetrahydrofuran-yttrium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Y(Bz)(Thf-κO)(Cp)(Tp*-κ³N)]

Formula Unicode styled: 
[Y(Bz)(Thf-κO)(Cp)(Tp*-κ³N)]
Compound name(s): 
(Hydrogen tris(3,5-dimethylpyrazolyl)borato)-(η⁵-cyclopentadienyl)-(benzyl)-tetrahydrofuran-yttrium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Sc(CH₂SiMe₃)₂(Thf-κO){η⁵-C₉H₅(SiMe₃)₂}]

Formula Unicode styled: 
[Sc(CH₂SiMe₃)₂(Thf-κO){η⁵-C₉H₅(SiMe₃)₂}]
Compound name(s): 
(η⁵-1,3-bis(Trimethylsilyl)indenyl)-bis((trimethylsilyl)methyl)-(tetrahydrofuran)-scandium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Lu(CH₂SiMe₃)₂(Thf-κO){η⁵-C₉H₅(SiMe₃)₂}]

Formula Unicode styled: 
[Lu(CH₂SiMe₃)₂(Thf-κO){η⁵-C₉H₅(SiMe₃)₂}]
Compound name(s): 
(η⁵-1,3-bis(Trimethylsilyl)indenyl)-bis((trimethylsilyl)methyl)-(tetrahydrofuran)-lutetium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[La(Thf-κO)(Ind₃)]

Formula Unicode styled: 
[La(Thf-κO)(Ind₃)]
Compound name(s): 
tris(η⁵-Indenyl)-(tetrahydrofuran)-lanthanum
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Lu(Cl)(Thf-κO)(η⁵-C₅Me₄Prⁱ)₂]

Formula Unicode styled: 
[Lu(Cl)(Thf-κO)(η⁵-C₅Me₄Prⁱ)₂]
Compound name(s): 
Chloro-bis(η⁵-tetramethyl-isopropyl-cyclopentadienyl)-tetrahydrofuran-lutetium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Lu(Me)(Thf-κO)(η⁵-C₅Me₄Prⁱ)₂]

Formula Unicode styled: 
[Lu(Me)(Thf-κO)(η⁵-C₅Me₄Prⁱ)₂]
Compound name(s): 
Methyl-bis(η⁵-tetramethyl-isopropyl-cyclopentadienyl)-tetrahydrofuran-lutetium
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[U(Cl)₃(μ₂-Cl)(Thf-κO)₂]₂

Formula Unicode styled: 
[U(Cl)₃(μ₂-Cl)(Thf-κO)₂]₂
Compound name(s): 
bis-[(μ₂-Chloro)-trichloro-bis(tetrahydrofuran)-uranium]
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[U(O)₂(Cl)(μ₂-Cl)(Thf-κO)₂]₂

Formula Unicode styled: 
[U(O)₂(Cl)(μ₂-Cl)(Thf-κO)₂]₂
Compound name(s): 
bis-[(μ₂-Chloro)-chloro-dioxo-bis(tetrahydrofuran)-uranium]
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[U(⭀NPh)₂(SO₃CF₃-κO)(μ₂-SO₃CF₃)(Thf-κO)₂]₂

Formula Unicode styled: 
[U(⭀NPh)₂(SO₃CF₃-κO)(μ₂-SO₃CF₃)(Thf-κO)₂]₂
Compound name(s): 
bis-[(μ₂-Trifluoromethanesulfonato-O,O')-bis(phenylimido)-bis-(tetrahydrofuran)-(trifluoromethanesulfonato-O)-uranium]
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Bi(Ph)(Thf-κO)(Hfa)₂]

Formula Unicode styled: 
[Bi(Ph)(Thf-κO)(Hfa)₂]
Compound name(s): 
(Tetrahydofuran)-phenyl-bis(hexafluoroacetylacetonato)-bismuth
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

trans–[Ru(μ₂-O₂CPh)₂(Thf-κO)]₂

Formula Unicode styled: 
trans–[Ru(μ₂-O₂CPh)₂(Thf-κO)]₂
Compound name(s): 
bis-[bis-(μ₂-Benzoato)-tetrahydrofuran-ruthenium(Ru=Ru)]
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: 
O«V4C3O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1