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

[Mn(μ₂-Cl)(CO)₃(Thf-κO)]₂

Formula Unicode styled: 
[Mn(μ₂-Cl)(CO)₃(Thf-κO)]₂
Compound name(s): 
bis-[(μ₂Chloro)-(tetrahydrofuran)-tricarbonyl-manganese]
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

fac–[Re(μ₂-Cl)(CO)₃(Thf-κO)]₂

Formula Unicode styled: 
fac–[Re(μ₂-Cl)(CO)₃(Thf-κO)]₂
Compound name(s): 
bis-[(μ₂-Chloro)-(tetrahydrofuran-O)-tricarbonyl-rhenium]
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

fac–[Re(μ₂-Br)(CO)₃(Thf-κO)]₂

Formula Unicode styled: 
fac–[Re(μ₂-Br)(CO)₃(Thf-κO)]₂
Compound name(s): 
bis-[(μ₂-bromo)-tetrahydrofuran-tricarbonyl-rhenium]
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–[Re(CO)₄(Thf-κO)]₂

Formula Unicode styled: 
cis–[Re(CO)₄(Thf-κO)]₂
Compound name(s): 
bis-[tetracarbonyl-(tetrahydrofuran)-rhenium]
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–[Mo(S₂CPh)₂(Thf-κO)]₂

Formula Unicode styled: 
trans–[Mo(S₂CPh)₂(Thf-κO)]₂
Compound name(s): 
bis-[(μ₂-Dithiobenzoato-(tetrahydrofuran-molybdenum(Mo≣Mo)]
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–[Mo(μ₂-S₂CMe)₂(Thf-κO)]₂

Formula Unicode styled: 
trans–[Mo(μ₂-S₂CMe)₂(Thf-κO)]₂
Compound name(s): 
bis-[(μ₂-Dithioacetato-(tetrahydrofuran-molybdenum(Mo≣Mo)]
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

[V(Thf-κO)₂(Acac)₂]

Formula Unicode styled: 
[V(Thf-κO)₂(Acac)₂]
Compound name(s): 
bis(Acetylacetonato)-bis(tetrahydrofuran)-vanadium
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–[W(μ₂-O₂CPh)₂(Thf-κO)]₂

Formula Unicode styled: 
trans–[W(μ₂-O₂CPh)₂(Thf-κO)]₂
Compound name(s): 
bis-[bis(μ₂-Benzoato)-(tetrahydrofuran)-tungsten(W≣W)]
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

[Ti(μ₂-Cl)(Thf-κO){η⁸-C₈H₆(SiMe₃)₂}]₂

Formula Unicode styled: 
[Ti(μ₂-Cl)(Thf-κO){η⁸-C₈H₆(SiMe₃)₂}]₂
Compound name(s): 
bis-[(μ₂-Chloro)-(η⁸-1,4-bis(trimethylsilyl)cyclo-octatetraene)-tetrahydrofuran-titanium]
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

[Ti(μ₂-Cl)(Thf-κO)(η⁸-Cot)]₂

Formula Unicode styled: 
[Ti(μ₂-Cl)(Thf-κO)(η⁸-Cot)]₂
Compound name(s): 
bis-[(μ₂-Chloro)-(η⁸-cyclooctatetraene)-(tetrahydrofuran)-titanium]
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

[Ti(μ₂-Cl)(Thf-κO)(η⁷-C₇H₇)]₂

Formula Unicode styled: 
[Ti(μ₂-Cl)(Thf-κO)(η⁷-C₇H₇)]₂
Compound name(s): 
bis-[(μ₂-Chloro)-(η⁷-cycloheptatrienyl)-(tetrahydrofuran)-titanium]
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

mer,trans–[V(Cl)₃(OH)(Thf-κO)₂]

Formula Unicode styled: 
mer,trans–[V(Cl)₃(OH)(Thf-κO)₂]
Compound name(s): 
Trichloro-hydroxy-bis(tetrahydrofuran)-vanadium
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

mer,trans–[Ti(Cl)(μ₂-Cl)(=NPh)(Thf-κO)₂]₂

Formula Unicode styled: 
mer,trans–[Ti(Cl)(μ₂-Cl)(=NPh)(Thf-κO)₂]₂
Compound name(s): 
bis-[(μ₂-Chloro)-chloro-phenylimido-bis(tetrahydrofuran)-titanium]
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,cis,trans–[Zr(Cl)₂(μ₂-NPh)(Thf-κO)₂]₂

Formula Unicode styled: 
cis,cis,trans–[Zr(Cl)₂(μ₂-NPh)(Thf-κO)₂]₂
Compound name(s): 
bis-[(μ₂-Phenylimido)-dichloro-bis(tetrahydrofuran)-zirconium]
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,cis,trans–[Zr(Cl)₂(=NC₆H₃Prⁱⁱ₂)(Thf-κO)₂]₂

Formula Unicode styled: 
cis,cis,trans–[Zr(Cl)₂(=NC₆H₃Prⁱⁱ₂)(Thf-κO)₂]₂
Compound name(s): 
bis-[(μ₂-2,6-Di-isopropylphenylimido)-dichloro-bis(tetrahydrofuran)-zirconium]
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,cis,trans–[Zr(Cl)₂(μ₂-NXy)(Thf-κO)₂]₂

Formula Unicode styled: 
cis,cis,trans–[Zr(Cl)₂(μ₂-NXy)(Thf-κO)₂]₂
Compound name(s): 
bis-[(μ₂-2,6-Dimethylphenylimido)-dichloro-bis(tetrahydrofuran)-zirconium]
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,trans,trans–[Sr(I)₂(NHPPh₃)₂(Thf-κO)₂]

Formula Unicode styled: 
trans,trans,trans–[Sr(I)₂(NHPPh₃)₂(Thf-κO)₂]
Compound name(s): 
Di-iodo-bis(tetrahydrofuran)-bis(triphenylphosphineimine)-strontium
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–[Sr(SiPh₃)₂(Thf-κO)₄]

Formula Unicode styled: 
trans–[Sr(SiPh₃)₂(Thf-κO)₄]
Compound name(s): 
tetrakis(tetrahydrofuran)-bis(triphenylsilyl)-strontium
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–[Sr{P(SiMe₃)₂}₂(Thf-κO)₄]

Formula Unicode styled: 
trans–[Sr{P(SiMe₃)₂}₂(Thf-κO)₄]
Compound name(s): 
bis(bis(Trimethylsilylphosphine))-tetrakis(tetrahydrofuran)-strontium
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–[Sr{As(SiMe₃)₂}₂(Thf-κO)₄]

Formula Unicode styled: 
trans–[Sr{As(SiMe₃)₂}₂(Thf-κO)₄]
Compound name(s): 
tetrakis(Tetrahydrofuran)-bis(bis(trimethylsilyl)-arsenic)-strontium
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