4-coordinate: tetrahedron (T-4)

[Hg(I)(μ₂-I)(TePh₂)]₂

Formula Unicode styled: 
[Hg(I)(μ₂-I)(TePh₂)]₂
Compound name(s): 
bis-[iodo-(μ₂-iodo)-(diphenyltelluro)-mercury]
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: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Hg₂(Cl)₄(μ₂-Cl)₂]²⊖

Formula Unicode styled: 
[Hg₂(Cl)₄(μ₂-Cl)₂]²⊖
Compound name(s): 
bis[dichloro-(μ₂-chloro)-mercury](2-)
Central atom: 
Charge on central atom: 
-2
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: 
Hg«V2C4OIIE8B4Z0X3L1»2⊖
[MLXZ]𝘲 class: 
[MX3L1]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Hg₂(Cl)₄([14]aneS₄-κ⁴S)]

Formula Unicode styled: 
[Hg₂(Cl)₄([14]aneS₄-κ⁴S)]
Compound name(s): 
(μ₂-1,4,8,11-Tetrathiacyclotetradecane)-bis(dichloro-mercury)
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: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Hg(SCN-κS)(μ₂-NCS-κN,κS)(PCy₃)]

Formula Unicode styled: 
catena–3D-[Hg(SCN-κS)(μ₂-NCS-κN,κS)(PCy₃)]
Compound name(s): 
catena-[thiocyanato-(tricyclohexylphosphine)-(μ₂-thiocyanato-N,S)-mercury]
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: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

cis–[Hg(I)₂(En)]

Formula Unicode styled: 
cis–[Hg(I)₂(En)]
Compound name(s): 
diiodo(ethylenediamine)-mercury
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: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Hg(ClHgCl₂){Mo(CO)₃(C₆H₃Me₃)}(μ₂-Cl)]₂

Formula Unicode styled: 
[Hg(ClHgCl₂){Mo(CO)₃(C₆H₃Me₃)}(μ₂-Cl)]₂
Compound name(s): 
bis[{η⁶-mesitylene)-tricarbonyl-molybdenum}-μ₂-chloro)-(trichloromercury-κCl)]
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: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Hg(Cl)(μ₂-Cl)(SePPh₃)]₂

Formula Unicode styled: 
trans–[Hg(Cl)(μ₂-Cl)(SePPh₃)]₂
Compound name(s): 
bis[chloro-(μ₂-chloro)-(triphenylphosphine selenide)-mercury]
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: 
Hg«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Ge(Cl)(Mes)(μ₂-S)]₂

Formula Unicode styled: 
trans–[Ge(Cl)(Mes)(μ₂-S)]₂
Compound name(s): 
2,4-dichloro-2,4-dimesityl-cyclodigermathiane
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: 
Ge«V4C4OIVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Be(μ₂-OH)(OH₂)₂]₃³⊕

Formula Unicode styled: 
[Be(μ₂-OH)(OH₂)₂]₃³⊕
Compound name(s): 
tris-[(μ₂-hydroxo)-triaqua-beryllium(1+)]
Central atom: 
Charge on central atom: 
1
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: 
Be«V2C4OIIE8B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]+
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(O₂CH₆H₄)₂]²⊖

Formula Unicode styled: 
[Be(O₂C₆H₄)₂]²⊖
Compound name(s): 
bis(catecholato-O,O')-beryllium(2-)
Central atom: 
Charge on central atom: 
-2
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: 
Be«V2C4OIIE8B4Z0L0X4»2⊖
[MLXZ]𝘲 class: 
[MX4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(SO₃CF₃-κO)₂(Thf)₂]

Formula Unicode styled: 
[Be(SO₃CF₃-κO)₂(Thf)₂]
Compound name(s): 
bis(tetrahydrofuran)-bis(trifluoromethanesulfonato)-beryllium
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–3D-[Be(μ₂-SO₄)₂]²⊖

Formula Unicode styled: 
catena–3D-[Be(μ₂-SO₄)₂]²⊖
Compound name(s): 
catena-disulfato-beryllium(2-)
Central atom: 
Attached groups: 
Charge on central atom: 
-2
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: 
Be«V2C4OIIE8B4Z0L0X4»2⊖
[MLXZ]𝘲 class: 
[MX4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(Cl)₂(O=CMePh)₂]

Formula Unicode styled: 
[Be(Cl)₂(O=CMePh)₂]
Compound name(s): 
dichloro-bis(acetophenone)-beryllium
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(Br)₂(Thf)₂]

Formula Unicode styled: 
[Be(Br)₂(Thf)₂]
Compound name(s): 
dibromo-bis(tetrahydrofuran)-beryllium
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(C₆H₄-C₆H₄)(Thf)₂]

Formula Unicode styled: 
[Be(C₆H₄-C₆H₄)(Thf)₂]
Compound name(s): 
([1,1'-biphenyl]-2,2'-diyl)-bis(tetrahydrofuran)-beryllium
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(Cl)₂(OTol)]₂²⊖

Formula Unicode styled: 
[Be(Cl)₂(OTol)]₂²⊖
Compound name(s): 
bis[dichloro(μ-tolyloxy)-beryllium(1-)]
Central atom: 
Attached groups: 
Charge on central atom: 
-1
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: 
Be«V2C3OIIE6B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]-
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Be(Cl)₂(OPMe₃)]₂

Formula Unicode styled: 
[Be(Cl)₂(OPMe₃)]₂
Compound name(s): 
bis[dichloro-(μ-trimethylphosphine oxide-beryllium]
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(SO₃CF₃-κO)₂(OH₂)₂]

Formula Unicode styled: 
[Be(SO₃CF₃-κO)₂(OH₂)₂]
Compound name(s): 
diaqua-bis(trifluoromethanesulfonato)-beryllium
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(SO₃CF₃-κO)₂(NCMe)₂]

Formula Unicode styled: 
[Be(SO₃CF₃-κO)₂(NCMe)₂]
Compound name(s): 
bis(acetonitrile)-bis(trifluoromethanesulfonato)-beryllium
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: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be{O=CH(NMe₂)}₄]²⊕

Formula Unicode styled: 
[Be{O=CH(NMe₂)-κO}₄]²⊕
Compound name(s): 
tetrakis(N,N-dimethylformamido)-beryllium(2+)
Central atom: 
Charge on central atom: 
2
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: 
Be«V2C4OIIE8B4Z0X0L4»2⊕
[MLXZ]𝘲 class: 
[ML4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L2