4-coordinate: tetrahedron (T-4)

[Cu(Py)₄]⊕

Formula Unicode styled: 
[Cu(Py)₄]⊕
Compound name(s): 
tetrakis(Pyridine)-copper(1+)
Central atom: 
Copper
Attached groups: 
Py (pyridine)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Cu«V1C4OIE18B4Z0X0L4»⊕
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Cu(NCMe)₄]⊕

Formula Unicode styled: 
[Cu(NCMe)₄]⊕
Compound name(s): 
tetrakis(Acetonitrile-N)-copper(1+)
Central atom: 
Copper
Attached groups: 
NCMe (acetonitrile)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Cu«V1C4OIE18B4Z0X0L4»⊕
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Cu(Dppe-κ²P)₂]⊕

Formula Unicode styled: 
[Cu(Dppe-κ²P)₂]⊕
Compound name(s): 
bis(1,2-bis(Diphenylphosphino)ethane)-copper(1+)
Central atom: 
Copper
Attached groups: 
Dppe (1,2-bis-(diphenylphosphino)ethane-κ²P)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 1
Oxidation Number (ON) (Roman numerals): 
ON: (I)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 18
Summary of calculated classifications: 
Cu«V1C4OIE18B4Z0X0L4»⊕
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Cu(Cl)₄]²⊖

Formula Unicode styled: 
[Cu(Cl)₄]²⊖
Compound name(s): 
tetrachloro-copper(2-)|tetrachloro-cuprate|tetrachlorocopper(II)
Central atom: 
Copper
Attached groups: 
Cl (chloro)
Charge on central atom: 
-2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 17
Summary of calculated classifications: 
Cu«V2C4OIIE17B4Z0L0X4»2⊖
[MLXZ]𝘲 class: 
[MX4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

network–[Be(μ₄-Te)]

Formula Unicode styled: 
network–[Be(μ₄-Te)]
Compound name(s): 
beryllium telluride
Central atom: 
Beryllium
Attached groups: 
Te (μ₄-telluro X₂L₂)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

network–[Be(μ₄-Se)]

Formula Unicode styled: 
network–[Be(μ₄-Se)]
Compound name(s): 
beryllium selenide
Central atom: 
Beryllium
Attached groups: 
Se (μ₄-seleno X₂L₂)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

network–[Be(μ₄-S)]

Formula Unicode styled: 
network–[Be(μ₄-S)]
Compound name(s): 
beryllium sulphide
beryllium sulfide
Central atom: 
Beryllium
Attached groups: 
S (μ₄-thio)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(Py)₄]²⊕

Formula Unicode styled: 
[Be(Py)₄]²⊕
Compound name(s): 
Tetrapyridyl-beryllium(II)
Central atom: 
Beryllium
Attached groups: 
Py (pyridine)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X0L4»2⊕
[MLXZ]𝘲 class: 
[ML4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(Cl)(OEt₂)(μ₂-Cl)]

Formula Unicode styled: 
[Be(Cl)(OEt₂)(μ₂-Cl)]
Compound name(s): 
bis[chloro-(μ-chloro)-(diethylether)-beryllium]
Central atom: 
Beryllium
Attached groups: 
Cl (chloro)
OEt₂ (diethylether)
Cl (μ₂-chloro)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(Me)₂{N(CH₂CH₂)₃CH}₂]

Formula Unicode styled: 
[Be(Me)₂{N(CH₂CH₂)₃CH}₂]
Compound name(s): 
Dimethyl-bis(quinuclidine)-beryllium
Central atom: 
Beryllium
Attached groups: 
Me (methyl)
N(CH₂CH₂)₃CH (quinuclidine)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–1D-[Be(μ₂-Me)₂]

Formula Unicode styled: 
catena–1D-[Be(μ₂-Me)₂]
Compound name(s): 
Dimethyl beryllium (catena)
Central atom: 
Beryllium
Attached groups: 
Me (μ₂-methyl)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(I)(Tp-κ³N)]

Formula Unicode styled: 
[Be(I)(Tp-κ³N)]
Compound name(s): 
Iodo-(hydrogen tripyrazolylborate-N,N',N'')-beryllium
Central atom: 
Beryllium
Attached groups: 
I (iodo)
Tp (hydrotris(pyrazolyl)borato-κ³N)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(I)₂(OEt₂)₂]

Formula Unicode styled: 
[Be(I)₂(OEt₂)₂]
Compound name(s): 
Di-iodo-bis(diethyl ether-O)-beryllium
Central atom: 
Beryllium
Attached groups: 
I (iodo)
OEt₂ (diethylether)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–1D-[Be(μ₂-I)₂]

Formula Unicode styled: 
catena–1D-[Be(μ₂-I)₂]
Compound name(s): 
Beryllium iodide - α (catena)|beryllium diiodide|beryllium(II) iodide|beryllium iodide
Central atom: 
Beryllium
Attached groups: 
I (μ₂-iodo)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–1D-[Be(μ₂-H)₂]

Formula Unicode styled: 
catena–1D-[Be(μ₂-H)₂]
Compound name(s): 
beryllium dihydride
beryllium hydride
Central atom: 
Beryllium
Attached groups: 
H (μ₂-hydrido)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(F)(Tp-κ³N)]

Formula Unicode styled: 
[Be(F)(Tp-κ³N)]
Compound name(s): 
Fluoro-(hydrogen tripyrazolylborate-N,N',N'')-beryllium
Central atom: 
Beryllium
Attached groups: 
F (fluoro)
Tp (hydrotris(pyrazolyl)borato-κ³N)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(F)₄]²⊖

Formula Unicode styled: 
[Be(F)₄]²⊖
Compound name(s): 
tetrafluoro-beryllium(2-)
Central atom: 
Beryllium
Attached groups: 
F (fluoro)
Charge on central atom: 
-2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0L0X4»2⊖
[MLXZ]𝘲 class: 
[MX4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(F)₃(NH₃)]⊖

Formula Unicode styled: 
[Be(F)₃(NH₃)]⊖
Compound name(s): 
monoammine(trifluorido)beryllate
Central atom: 
Beryllium
Attached groups: 
F (fluoro)
NH₃ (ammine)
Charge on central atom: 
-1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X3L1»⊖
[MLXZ]𝘲 class: 
[MX3L1]-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–1D-[Be(μ₂-F)₂]

Formula Unicode styled: 
catena–1D-[Be(μ₂-F)₂]
Compound name(s): 
Beryllium fluoride - α|beryllium difluoride|beryllium(II) fluoride|beryllium fluoride
Central atom: 
Beryllium
Attached groups: 
F (μ₂-fluoro)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Be(Dmso-κO)₄]²⊕

Formula Unicode styled: 
[Be(Dmso-κO)₄]²⊕
Compound name(s): 
tetrakis(Dimethylsulfoxide)-beryllium(2+)
Central atom: 
Beryllium
Attached groups: 
Dmso (dimethylsulfoxide-κO)
Charge on central atom: 
2
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 2
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Be«V2C4OIIE8B4Z0X0L4»2⊕
[MLXZ]𝘲 class: 
[ML4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L2