Erbium

[Er(μ₂-Br)(Cp)₂]₂

Formula Unicode styled: 
[Er(μ₂-Br)(Cp)₂]₂
Compound name(s): 
bis-[(μ₂-Bromo)-bis(η⁵-cyclopentadienyl)-erbium]
Central atom: 
Erbium
Attached groups: 
Br (μ₂-bromo)
Cp (η⁵-cyclopentadienyl)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 27
Summary of calculated classifications: 
Er«V3C8OIIIE27B8Z0X3L5»
[MLXZ]𝘲 class: 
[MX3L5]
MLXZ class (ENC, equivalent neutral class): 
MX3L5

network–[Er(μ₆-Bi)]

Formula Unicode styled: 
network–[Er(μ₆-Bi)]
Compound name(s): 
bismuthido-erbium
erbium monobismuthide
Central atom: 
Erbium
Attached groups: 
Bi (μ₆-bismuthido)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 23
Summary of calculated classifications: 
Er«V3C6OIIIE23B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

network–[Er(μ₆-As)]

Formula Unicode styled: 
network–[Er(μ₆-As)]
Compound name(s): 
Arsenido erbium
Erbium monoarsenide
Central atom: 
Erbium
Attached groups: 
As (μ₆-arsenido)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 23
Summary of calculated classifications: 
Er«V3C6OIIIE23B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Er(Acac)₃(Phen)]

Formula Unicode styled: 
[Er(Acac)₃(Phen)]
Compound name(s): 
tris(Acetylacetonato-κ²O,O')-(1,10-phenanthroline-κ²N,N')-erbium
Central atom: 
Erbium
Attached groups: 
Acac (acetylacetonato)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 27
Summary of calculated classifications: 
Er«V3C8OIIIE27B8Z0X3L5»
[MLXZ]𝘲 class: 
[MX3L5]
MLXZ class (ENC, equivalent neutral class): 
MX3L5

[Er(Acac)(Phen)(Pc)]

Formula Unicode styled: 
[Er(Acac)(Phen)(Pc)]
Compound name(s): 
(Acetylacetonato)-(phthalocyaninato)-(phenanthroline)-erbium
Central atom: 
Erbium
Attached groups: 
Acac (acetylacetonato)
Phen (phenanthroline)
Pc (phthalocyaninato)
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: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 27
Summary of calculated classifications: 
Er«V3C8OIIIE27B8Z0X3L5»
[MLXZ]𝘲 class: 
[MX3L5]
MLXZ class (ENC, equivalent neutral class): 
MX3L5

catena–3D-[Er(μ₂-O₂CH)₄]⊖

Formula Unicode styled: 
catena–3D-[Er(μ₂-O₂CH)₄]⊖
Compound name(s): 
catena-[tetrakis(μ₂-formato)-erbium(1-)]
Central atom: 
Erbium
Attached groups: 
O₂CH (μ₂-formato)
Charge on central atom: 
-1
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 27
Summary of calculated classifications: 
Er«V3C8OIIIE27B8Z0X4L4»⊖
[MLXZ]𝘲 class: 
[MX4L4]-
MLXZ class (ENC, equivalent neutral class): 
MX3L5

catena–3D-[Er(μ₂-O₂CH)₃(OH₂)₂]

Formula Unicode styled: 
catena–3D-[Er(μ₂-O₂CH)₃(OH₂)₂]
Compound name(s): 
catena-[triformato-diaqua-erbium]
Central atom: 
Erbium
Attached groups: 
O₂CH (μ₂-formato)
OH₂ (aqua)
Charge on central atom: 
0
Compound type: 
Catena-3D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 27
Summary of calculated classifications: 
Er«V3C8OIIIE27B8Z0X3L5»
[MLXZ]𝘲 class: 
[MX3L5]
MLXZ class (ENC, equivalent neutral class): 
MX3L5

[Er(PO₄-κ³O)]

Formula Unicode styled: 
[Er(PO₄-κ³O)]
Compound name(s): 
[monophosphato-erbium]
erbium monophosphate
Xenotime-(Er)
Central atom: 
Erbium
Attached groups: 
PO₄ (phosphato-κ³O)
Charge on central atom: 
Compound type: 
Lattice
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 0
Summary of calculated classifications: 
Er«V3C8OIII»
[MLXZ]𝘲 class: 
MLXZ class (ENC, equivalent neutral class): 

catena–2D-[Er(OH₂){μ₄-N(CH₂CO₂)₃-κN,κ⁶O}]

Formula Unicode styled: 
catena–2D-[Er(OH₂){μ₄-N(CH₂CO₂)₃-κN,κ⁶O}]
Compound name(s): 
catena-[(μ₄-Nitrilotriacetato)-aqua-erbium]
Central atom: 
Erbium
Attached groups: 
OH₂ (aqua)
Nta (μ₄-2,2',2''-nitrilotriacetato-κN,κ⁶O)
Charge on central atom: 
0
Compound type: 
Catena-2D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 8
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 27
Summary of calculated classifications: 
Er«V3C8OIIIE27B8Z0X3L5»
[MLXZ]𝘲 class: 
[MX3L5]
MLXZ class (ENC, equivalent neutral class): 
MX3L5

catena–2D-[Er(μ₂-I)(μ₄-Se)]

Formula Unicode styled: 
catena–2D-[Er(μ₂-I)(μ₄-Se)]
Compound name(s): 
catena-[seleno-iodo-erbium]|Erbium selenide iodide
Central atom: 
Erbium
Attached groups: 
I (μ₂-iodo)
Se (μ₄-seleno X₂L₂)
Charge on central atom: 
0
Compound type: 
Catena-2D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 6
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 23
Summary of calculated classifications: 
Er«V3C6OIIIE23B6Z0X3L3»
[MLXZ]𝘲 class: 
[MX3L3]
MLXZ class (ENC, equivalent neutral class): 
MX3L3