4-coordinate: square plane (SP-4)

catena–1D-[Cr(μ₂-Cl)₂]

Formula Unicode styled: 
catena–1D-[Cr(μ₂-Cl)₂]
Compound name(s): 
catena-[dichloro-chromium]|chromium dichloride
Central atom: 
Chromium
Attached groups: 
Cl (μ₂-chloro)
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: 12
Summary of calculated classifications: 
Cr«V2C4OIIE12B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–1D-[Cr(μ₂-Br)₂]

Formula Unicode styled: 
catena–1D-[Cr(μ₂-Br)₂]
Compound name(s): 
catena-dibromo-chromium]
chromium dibromide
Central atom: 
Chromium
Attached groups: 
Br (μ₂-bromo)
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: 12
Summary of calculated classifications: 
Cr«V2C4OIIE12B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–1D-[Sr{N(SiMe₃)₂}₂(μ₂-Diox)]

Formula Unicode styled: 
catena–1D-[Sr{N(SiMe₃)₂}₂(μ₂-Diox)]
Compound name(s): 
catena-[(μ₂-1,4-Dioxane-O,O')-bis(bis(trimethylsilyl)amido)-strontium]
Central atom: 
Strontium
Attached groups: 
N(SiMe₃)₂ (bis(trimethylsilyl)amino)
Diox (μ₂-dioxane)
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: 
Sr«V2C4OIIE8B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Na(TMEDA-κ²N)₂]⊕

Formula Unicode styled: 
[Na(TMEDA-κ²N)₂]⊕
Compound name(s): 
bis(N,N,N',N'-Tetramethylethylenediamine)-sodium(1+)
Central atom: 
Sodium
Attached groups: 
TMEDA (tetramethylethylenediamine-κ²N)
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: 8
Summary of calculated classifications: 
Na«V1C4OIE8B4Z0X0L4»⊕
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Na(TMEDA-κ²N)₂]⊕

Formula Unicode styled: 
[Na(TMEDA-κ²N)₂]⊕
Compound name(s): 
bis(N,N,N',N'-Tetramethylethylenediamine-N,N')-sodium(1+)
Central atom: 
Sodium
Attached groups: 
TMEDA (tetramethylethylenediamine-κ²N)
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: 8
Summary of calculated classifications: 
Na«V1C4OIE8B4Z0X0L4»⊕
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Na(NH₃)₄]⊕

Formula Unicode styled: 
[Na(NH₃)₄]⊕
Compound name(s): 
Tetraammine-sodium(1+)
Central atom: 
Sodium
Attached groups: 
NH₃ (ammine)
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: 8
Summary of calculated classifications: 
Na«V1C4OIE8B4Z0X0L4»⊕
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Li(Oep)]⊖

Formula Unicode styled: 
[Li(Oep)]⊖
Compound name(s): 
Octaethylporphyrinato-lithium(1-)
Central atom: 
Lithium
Attached groups: 
Oep (octaethylporphyrin)
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: 8
Summary of calculated classifications: 
Li«V1C4OIE8B4Z0X2L2»⊖
[MLXZ]𝘲 class: 
[MX2L2]-
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Cs{μ₂-N(SiMe₃)₂}(Dme)]₂

Formula Unicode styled: 
[Cs{μ₂-N(SiMe₃)₂}(Dme)]₂
Compound name(s): 
bis-[(μ-bis(trimethylsilyl)amido)-(1,2-dimethoxyethane)-cesium]
Central atom: 
Caesium
Attached groups: 
N(SiMe₃)₂ (μ₂-bis(trimethylsilyl)amino)
Dme (dimethoxyethane)
Charge on central atom: 
0
Compound type: 
Oligomer
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: 8
Summary of calculated classifications: 
Cs«V1C4OIE8B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

catena–1D-[Li(μ₄-Acac)]

Formula Unicode styled: 
catena–1D-[Li(μ₄-Acac)]
Compound name(s): 
catena-[acetylacetonato-lithium]
Central atom: 
Lithium
Attached groups: 
Acac (μ₄-acetylacetonato)
Charge on central atom: 
0
Compound type: 
Catena-1D
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: 8
Summary of calculated classifications: 
Li«V1C4OIE8B4Z0X1L3»
[MLXZ]𝘲 class: 
[MX1L3]
MLXZ class (ENC, equivalent neutral class): 
MX1L3

catena–1D-trans–[Cu(μ₂-O₂CMe)(NH₃)₂]⊕

Formula Unicode styled: 
catena–1D-trans–[Cu(μ₂-O₂CMe)(NH₃)₂]⊕
Compound name(s): 
catena-[(μ₂-Acetato)-diammine-copper(1+)]
Central atom: 
Copper
Attached groups: 
O₂CMe (μ₂-acetato)
NH₃ (ammine)
Charge on central atom: 
1
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: 17
Summary of calculated classifications: 
Cu«V2C4OIIE17B4Z0X1L3»⊕
[MLXZ]𝘲 class: 
[MX1L3]+
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Cu(O₂CMe-κO)₂(OH₂)₂]

Formula Unicode styled: 
trans–[Cu(O₂CMe-κO)₂(OH₂)₂]
Compound name(s): 
bis(Acetato-O)-diaqua-copper
Central atom: 
Copper
Attached groups: 
O₂CMe (acetato-κO)
OH₂ (aqua)
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: 17
Summary of calculated classifications: 
Cu«V2C4OIIE17B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Cu(Cl)₂(OH₂)₂]

Formula Unicode styled: 
trans–[Cu(Cl)₂(OH₂)₂]
Compound name(s): 
dichloro-diaqua-copper
Central atom: 
Copper
Attached groups: 
Cl (chloro)
OH₂ (aqua)
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: 17
Summary of calculated classifications: 
Cu«V2C4OIIE17B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Cu(Cl)(μ₂-Cl)(NCMe)]₂

Formula Unicode styled: 
trans–[Cu(Cl)(μ₂-Cl)(NCMe)]₂
Compound name(s): 
bis-[(μ₂-Chloro)-acetonitrile-chloro-copper]
Central atom: 
Copper
Attached groups: 
Cl (chloro)
Cl (μ₂-chloro)
NCMe (acetonitrile)
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: 17
Summary of calculated classifications: 
Cu«V2C4OIIE17B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Cu([14]aneN₄-Me₄-κ⁴N)]²⊕

Formula Unicode styled: 
trans–[Cu([14]aneN₄-Me₄-κ⁴N)]²⊕
Compound name(s): 
(1,4,8,11-Tetramethyl-1,4,8,11-tetra-azacyclotetradecane-N,N',N'',N''')-copper(2+)
Central atom: 
Copper
Attached groups: 
[14]aneN₄-Me₄ (tetramethyl-1,4,8,11-tetraazacyclotetradecane-κ⁴N)
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«V2C4OIIE17B4Z0X0L4»2⊕
[MLXZ]𝘲 class: 
[ML4]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Au(Cl)₂(CN)₂]⊖

Formula Unicode styled: 
trans–[Au(Cl)₂(CN)₂]⊖
Compound name(s): 
dichloro-bis(cyano)-gold(1-)
Central atom: 
Gold
Attached groups: 
Cl (chloro)
CN (cyano-κC)
Charge on central atom: 
-1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Au«V3C4OIIIE16B4Z0L0X4»⊖
[MLXZ]𝘲 class: 
[MX4]-
MLXZ class (ENC, equivalent neutral class): 
MX3L1

trans–[Au(Cl)(Ph)(PPh₃)₂]⊕

Formula Unicode styled: 
trans–[Au(Cl)(Ph)(PPh₃)₂]⊕
Compound name(s): 
Chloro-(phenyl)-bis(triphenylphosphine)-gold(1+)
Central atom: 
Gold
Attached groups: 
Cl (chloro)
Ph (phenyl)
PPh₃ (triphenylphosphane)
Charge on central atom: 
1
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 16
Summary of calculated classifications: 
Au«V3C4OIIIE16B4Z0X2L2»⊕
[MLXZ]𝘲 class: 
[MX2L2]+
MLXZ class (ENC, equivalent neutral class): 
MX3L1

catena–3D-[Cu(μ₄-SO₄)]

Formula Unicode styled: 
catena–3D-[Cu(μ₄-SO₄)]
Compound name(s): 
copper sulfate
copper sulphate
chalcocyanite
cupric sulfate
Central atom: 
Copper
Attached groups: 
SO₄ (μ₄-sulphato)
Charge on central atom: 
0
Compound type: 
Catena-3D
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«V2C4OIIE17B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Cu(Ttp)]

Formula Unicode styled: 
[Cu(Ttp)]
Compound name(s): 
(5,10,15,20-Tetra-p-tolylporphyrinato)-copper
Central atom: 
Copper
Attached groups: 
Ttp (tetratolylporphyrin)
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: 17
Summary of calculated classifications: 
Cu«V2C4OIIE17B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Cu(μ₂-OH)(Bpy)]₂²⊕

Formula Unicode styled: 
[Cu(μ₂-OH)(Bpy)]₂²⊕
Compound name(s): 
bis-[μ₂-hydroxo-bipyridyl-copper(1+)]
Central atom: 
Copper
Attached groups: 
OH (μ₂-hydroxy)
Bpy (bipyridine)
Charge on central atom: 
1
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: 17
Summary of calculated classifications: 
Cu«V2C4OIIE17B4Z0X1L3»⊕
[MLXZ]𝘲 class: 
[MX1L3]+
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Cu(OC₆F₅)₄]²⊖

Formula Unicode styled: 
[Cu(OC₆F₅)₄]²⊖
Compound name(s): 
tetrakis(pentafluorophenolato)-copper(2-)
Central atom: 
Copper
Attached groups: 
OC₆F₅ (pentafluorophenoxy)
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