EN: 21

trans–[Er(OC₆H₃Buᵗ₂-2,6)₃(Py)₂]

Formula Unicode styled: 
trans–[Er(OC₆H₃Buᵗ₂-2,6)₃(Py)₂]
Compound name(s): 
tris(2,6-di-t-butylphenolato)-bis(pyridine)-erbium
Central atom: 
Erbium
Attached groups: 
OC₆H₃Buᵗ₂-2,6 (di-t-butylphenoxy-2,6)
Py (pyridine)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Er«V3C5OIIIE21B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Er(OH₂)₂(Hfa-κO)₃]

Formula Unicode styled: 
[Er(OH₂)₂(Hfa-κO)₃]
Compound name(s): 
Diaqua-tris(hexafluoroacetylacetonato)-erbium
Central atom: 
Erbium
Attached groups: 
OH₂ (aqua)
Hfa (hexafluoroacetylacetonato-κO)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Er«V3C5OIIIE21B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Er(μ₂-OH)(OC₆H₃Buᵗ₂-2,6)₂(Thf)]₂

Formula Unicode styled: 
[Er(μ₂-OH)(OC₆H₃Buᵗ₂-2,6)₂(Thf)]₂
Compound name(s): 
bis-[(μ-hydroxo)-bis(2,6-di-t-butylphenolato)-(tetrahydrofuran)-erbium]
Central atom: 
Erbium
Attached groups: 
OH (μ₂-hydroxy)
OC₆H₃Buᵗ₂-2,6 (di-t-butylphenoxy-2,6)
Thf (tetrahydrofuran)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Er«V3C5OIIIE21B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Er(Hfa-κO)₃(Phen)]

Formula Unicode styled: 
[Er(Hfa-κO)₃(Phen)]
Compound name(s): 
tris(1,1,1,5,5,5-Hexafluoropentane-2,4-dionato-O,O')-(1,10-phenanthroline-N,N')-erbium
Central atom: 
Erbium
Attached groups: 
Hfa (hexafluoroacetylacetonato-κO)
Phen (phenanthroline)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Er«V3C5OIIIE21B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Er(Hfa-κO)₃(Dme)]

Formula Unicode styled: 
[Er(Hfa-κO)₃(Dme)]
Compound name(s): 
(1,2-Dimethoxyethane-O,O')-tris(hexafluoroacetylacetonato-O,O')-erbium
Central atom: 
Erbium
Attached groups: 
Hfa (hexafluoroacetylacetonato-κO)
Dme (dimethoxyethane)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Er«V3C5OIIIE21B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Er(Cl){N(SiMe₃)₂}₂]

Formula Unicode styled: 
[Er(Cl){N(SiMe₃)₂}₂]
Compound name(s): 
tris(N,N-bis(trimethylsilyl)amido)-chloro-erbium(1-)
Central atom: 
Erbium
Attached groups: 
Cl (chloro)
N(SiMe₃)₂ (bis(trimethylsilyl)amino: planar)
Charge on central atom: 
0
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Er«V3C3OIIIE21B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

[Er(CH₂SiMe₃)₃(Thf)₂]

Formula Unicode styled: 
[Er(CH₂SiMe₃)₃(Thf)₂]
Compound name(s): 
bis(Tetrahydrofuran)-tris(trimethylsilylmethyl)-erbium
Central atom: 
Erbium
Attached groups: 
CH₂SiMe₃ (trimethylsilylmethyl)
Thf (tetrahydrofuran)
Charge on central atom: 
0
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: 5
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Er«V3C5OIIIE21B5Z0X3L2»
[MLXZ]𝘲 class: 
[MX3L2]
MLXZ class (ENC, equivalent neutral class): 
MX3L2

trans,trans,trans–[Cu(ONO-κO)₂(OH₂)₂{N(CH)₄N}₂]

Formula Unicode styled: 
trans,trans,trans–[Cu(ONO-κO)₂(OH₂)₂{N(CH)₄N}₂]
Compound name(s): 
Diaqua-dinitrato-bis(pyrimidine-N)-copper
Central atom: 
Copper
Attached groups: 
NO₂ (nitrito-κO)
OH₂ (aqua)
N(CH)₄N (pyrimidine)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu{N(CH)₄N}₂(Hfa)₂]

Formula Unicode styled: 
trans–[Cu{N(CH)₄N}₂(Hfa)₂]
Compound name(s): 
bis(Hexafluoroacetylacetonato-O,O')-bis(pyrazine-N)-copper
Central atom: 
Copper
Attached groups: 
Pyz (pyrazine)
Hfa (hexafluoroacetylacetonato)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu(O₂CCF₃-κO)₂(OH₂)₄]

Formula Unicode styled: 
trans–[Cu(O₂CCF₃-κO)₂(OH₂)₄]
Compound name(s): 
Tetra-aqua-bis(trifluoroacetato-O)-copper
Central atom: 
Copper
Attached groups: 
O₂CCF₃ (trifluoroacetato-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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu(TMEDA-κ²N)(Hfa)₂]

Formula Unicode styled: 
trans–[Cu(TMEDA-κ²N)(Hfa)₂]
Compound name(s): 
bis(Hexafluoroacetylacetonato)-(N,N,N',N'-tetramethyl-1,2-ethylenediamine)-copper
Central atom: 
Copper
Attached groups: 
TMEDA (tetramethylethylenediamine-κ²N)
Hfa (hexafluoroacetylacetonato)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu(ONO₂-κO)₂(En)₂]

Formula Unicode styled: 
trans–[Cu(ONO₂-κO)₂(En)₂]
Compound name(s): 
bis(Ethylenediamine)-bis(nitrato-O)-copper
Central atom: 
Copper
Attached groups: 
NO₃ (nitrato-κO)
En (ethylenediamine)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu(OH₂)₄(OHMe)₂]²⊕

Formula Unicode styled: 
trans–[Cu(OH₂)₄(OHMe)₂]²⊕
Compound name(s): 
Tetraaqua-di(methanol)-copper(2+)
Central atom: 
Copper
Attached groups: 
OH₂ (aqua)
OHMe (methanol)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X0L6»2⊕
[MLXZ]𝘲 class: 
[ML6]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu(OH₂)₂(OHMe)₄]²⊕

Formula Unicode styled: 
trans–[Cu(OH₂)₂(OHMe)₄]²⊕
Compound name(s): 
Diaqua-tetrakis(methanol)-copper(2+)
Central atom: 
Copper
Attached groups: 
OH₂ (aqua)
OHMe (methanol)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X0L6»2⊕
[MLXZ]𝘲 class: 
[ML6]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu(ClO₄-κO)₂{SC(NHMe)₂}₄]

Formula Unicode styled: 
trans–[Cu(ClO₄-κO)₂{SC(NHMe)₂}₄]
Compound name(s): 
tetrakis(N,N'-Dimethylurea)-bis(perchlorato-O)-copper
Central atom: 
Copper
Attached groups: 
ClO₄ (perchlorato-κO)
SC(NHMe)₂ (methylthiourea)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu(ClO₄-κO)₂([14]aneN₄-κ⁴N)]

Formula Unicode styled: 
trans–[Cu(ClO₄-κO)₂([14]aneN₄-κ⁴N)]
Compound name(s): 
(1,4,7,11-Tetra-azacyclotetradecane-N,N',N'',N''')-bis(perchlorato-O)-copper
Central atom: 
Copper
Attached groups: 
ClO₄ (perchlorato-κO)
[14]aneN₄ (1,4,7,10-tetraazacyclotetradecane-κ⁴N)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

trans–[Cu(Br)₂(N₂C₃H₄)₄]

Formula Unicode styled: 
trans–[Cu(Br)₂(N₂C₃H₄)₄]
Compound name(s): 
Dibromo-tetrakis(pyrazole-N)-copper
Central atom: 
Copper
Attached groups: 
Br (bromo)
N₂C₃H₄ (Imidazole)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

mer,trans–[Cu(ClO₄-κO)₂(OH₂)(Terpy-κ³N)]

Formula Unicode styled: 
mer,trans–[Cu(ClO₄-κO)₂(OH₂)(Terpy-κ³N)]
Compound name(s): 
Aqua-bis(perchlorato)-(2,2':6',2''-terpyridine)-copper
Central atom: 
Copper
Attached groups: 
ClO₄ (perchlorato-κO)
OH₂ (aqua)
Terpy (terpyridine-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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X2L4»
[MLXZ]𝘲 class: 
[MX2L4]
MLXZ class (ENC, equivalent neutral class): 
MX2L4

mer,cis–[Cu(μ₂-Br)(OHMe){NC₅H₃(CO₂)₂-κN,κ²O}]₂²⊖

Formula Unicode styled: 
mer,cis–[Cu(μ₂-Br)(OHMe){NC₅H₃(CO₂)₂-κN,κ²O}]₂²⊖
Compound name(s): 
bis-[(μ₂-bromo)-methanol-(pyridine-2,6-dicarboxylato)-copper(1-)]
Central atom: 
Copper
Attached groups: 
Br (μ₂-bromo)
OHMe (methanol)
NC₅H₃(CO₂)₂ (pyridinedicarboxylato-2,6-κN,κ²O))
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X3L3»⊖
[MLXZ]𝘲 class: 
[MX3L3]-
MLXZ class (ENC, equivalent neutral class): 
MX2L4

fac–[Cu(Tpm*-κ³N)₂]²⊕

Formula Unicode styled: 
fac–[Cu(Tpm*-κ³N)₂]²⊕
Compound name(s): 
bis(tris(3,5-Dimethylpyrazolyl)methane)-copper(2+)
Central atom: 
Copper
Attached groups: 
Tpm* (tris(3,5-dimethylpyrazolyl)methane-κ³N)
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: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 21
Summary of calculated classifications: 
Cu«V2C6OIIE21B6Z0X0L6»2⊕
[MLXZ]𝘲 class: 
[ML6]2+
MLXZ class (ENC, equivalent neutral class): 
MX2L4