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

[Sm(μ₂-I)(Thf-κO){N(SiMe₃)₂}(Dme)]₂

Formula Unicode styled: 
[Sm(μ₂-I)(Thf-κO){N(SiMe₃)₂}(Dme)]₂
Compound name(s): 
bis-[μ₂-iodo-(1,2-dimethoxyethane-O,O')-tetrahydrofuran-(bis(trimethylsilyl)amide-N)-samarium]
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

[Sm(μ₂-Cl)(Thf-κO)₂(η⁸-Cot)]₂

Formula Unicode styled: 
[Sm(μ₂-Cl)(Thf-κO)₂(η⁸-Cot)]₂
Compound name(s): 
bis-[(μ₂-chloro)-(η8-cyclooctatetraenyl)-bis(tetrahydrofuran)-samarium]
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

[Sm(μ₂-Cl)(Thf-κO){N(SiMe₃)₂}₂]₂

Formula Unicode styled: 
[Sm(μ₂-Cl)(Thf-κO){N(SiMe₃)₂}₂]₂
Compound name(s): 
bis-[(μ₂-chloro)-tetrahydrofuran-bis(bis(trimethylsilyl)amido))-samarium]
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

[Sm(μ₂-Cl)(Thf-κO)(η⁵-C₅H₄Me)₂]₂

Formula Unicode styled: 
[Sm(μ₂-Cl)(Thf-κO)(η⁵-C₅H₄Me)₂]₂
Compound name(s): 
bis-[(μ₂-chloro)-bis(η⁵-methylcyclopentadienyl)-(tetrahydrofuran-O)-samarium]
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

[Sm(μ₂-Br)(Thf-κO){N(SiMe₃)₂}₂]₂

Formula Unicode styled: 
[Sm(μ₂-Br)(Thf-κO){N(SiMe₃)₂}₂]₂
Compound name(s): 
bis-[(μ₂-bromo)-tetrahydrofuran-bis(bis(trimethylsilyl)amido))-samarium]
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

[Sm(Thf-κO)(NCy₂)₂(μ₂-Cl)]₂

Formula Unicode styled: 
[Sm(Thf-κO)(NCy₂)₂(μ₂-Cl)]₂
Compound name(s): 
bis-[μ₂-chloro)-bis(cyclohexyl)amido-tetrahydrofuran-samarium]
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

[Sm(μ₂-SC₆H₂Prⁱ₃-2,4,6)(Thf-κO)(η⁸-Cot)]₂

Formula Unicode styled: 
[Sm(μ₂-SC₆H₂Prⁱ₃-2,4,6)(Thf-κO)(η⁸-Cot)]₂
Compound name(s): 
bis-[(μ₂-2,4,6-Tri-isopropylphenylthiolato)-(η8-cyclo-octatetraenyl)-tetrahydrofuran-samarium]
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): 
(eta$5!-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

[Gd(μ₂-Cl)(Thf-κO){N(SiMe₃)₂}₂]₂

Formula Unicode styled: 
[Gd(μ₂-Cl)(Thf-κO){N(SiMe₃)₂}₂]₂
Compound name(s): 
bis-[(μ₂-chloro)-tetrahydrofuran-bis(bis(trimethylsilyl)amino)-gadolinium]
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

[Gd(μ₂-Cl)(Thf-κO)(η⁵-C₅H₄Bz)₂]₂

Formula Unicode styled: 
[Gd(μ₂-Cl)(Thf-κO)(η⁵-C₅H₄Bz)₂]₂
Compound name(s): 
bis-[(μ₂-chloro)-bis(η⁵-benzyl-cyclopentadienyl)-tetrahydrofuran-gadolinium]
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

[Gd(μ₂-Cl)(Thf-κO)(Cp)₂]₂

Formula Unicode styled: 
[Gd(μ₂-Cl)(Thf-κO)(Cp)₂]₂
Compound name(s): 
bis-[(μ₂-Chloro)-bis(η⁵-cyclopentadienyl)-tetrahydrofuran-gadolinium]
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

[Eu(NCS-κN)(μ₂-NCS-κN,κS)(Thf-κO)₄]₂

Formula Unicode styled: 
[Eu(NCS-κN)(μ₂-NCS-κN,κS)(Thf-κO)₄]₂
Compound name(s): 
bis-[(μ₂-Isothiocyanato)-tetrakis(tetrahydrofuran)-(thiocyanato)-europium]
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

[Eu(C≡CPh)(Thf-κO)₂(Cp)]₂

Formula Unicode styled: 
[Eu(C≡CPh)(Thf-κO)₂(Cp)]₂
Compound name(s): 
bis-[(μ₂-phenylacetylide)-(η⁵-pentamethyl-cyclopentadienyl)-bis(tetrahydrofuran)-europium]
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

[Dy(μ₂-H)(Thf-κO){η⁵-C₅H₄(SiMe₃)}₂]₂

Formula Unicode styled: 
[Dy(μ₂-H)(Thf-κO){η⁵-C₅H₄(SiMe₃)}₂]₂
Compound name(s): 
bis-[(μ-hydrido)-bis(η⁵-trimethylsilylcyclopentadienyl)-(tetrahydrofuran-dysprosium]
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

[Dy(μ₂-Cl)(Thf-κO){N(SiMe₃)₂}₂]₂

Formula Unicode styled: 
[Dy(μ₂-Cl)(Thf-κO){N(SiMe₃)₂}₂]₂
Compound name(s): 
bis-[(μ₂-chloro)-tetrahydrofuran-bis(bis(trimethylsilyl)amino)-dysprosium]
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

[Dy(μ₂-Cl)(Thf-κO)(Cp)₂]₂

Formula Unicode styled: 
[Dy(μ₂-Cl)(Thf-κO)(Cp)₂]₂
Compound name(s): 
bis-[(μ₂-chloro)-bis(η⁵-cyclopentadienyl)-tetrahydrofuran-dysprosium]
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

[Dy(OC₆H₃Buᵗ₂-2,6)₂(Thf-κO)(μ₂-OH)]₂

Formula Unicode styled: 
[Dy(OC₆H₃Buᵗ₂-2,6)₂(Thf-κO)(μ₂-OH)]₂
Compound name(s): 
bis-[(μ-hydroxo)-bis(2,6-di-t-butylphenolato)-(tetrahydrofuran)-dysprosium]
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

[Dy(NCS-κN)₂(Thf-κO)₄(μ₂-NCS-κN,κS)]₂

Formula Unicode styled: 
[Dy(NCS-κN)₂(Thf-κO)₄(μ₂-NCS-κN,κS)]₂
Compound name(s): 
bis-[(μ₂-isothiocyanato)-tetrakis(tetrahydrofuran)-di(thiocyanato))-dysprosium]
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

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

Formula Unicode styled: 
[Dy(CH₂SiMe₃)(Thf-κO)(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: 
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

[Yb(OC₆H₃Ph₂-2,6)₂(Thf-κO)₃]

Formula Unicode styled: 
[Yb(OC₆H₃Ph₂-2,6)₂(Thf-κO)₃]
Compound name(s): 
bis(2,6-Diphenylphenolato)-tris(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