Er group (Z type)

[Er(Cl)₃(Py)₄]

Formula Unicode styled: 
[Er(Cl)₃(Py)₄]
Compound name(s): 
Trichloro-tetrakis(pyridine)-erbium
Central atom: 
Nitrogen
Attached groups: 
(CH)₅ (pentamethanylylidene)
Er group (Z type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (-III)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
N«V5C3O-IIIE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[Er(NH₃)(Cp₃)]

Formula Unicode styled: 
[Er(NH₃)(Cp₃)]
Compound name(s): 
Ammine-tris(η⁵-cyclopentadienyl)-erbium
Central atom: 
Nitrogen
Attached groups: 
H (hydrido)
Er group (Z type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (-III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
N«V5C4O-IIIE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1

[Er(S₂PEt₂)₄]⊖

Formula Unicode styled: 
[Er(S₂PEt₂)₄]⊖
Compound name(s): 
tetrakis(diethyldithiophosphinate-S,S')-erbium(1-)
Central atom: 
Sulfur
Attached groups: 
PR₃ (phosphane X₂ type)
Er group (Z type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
S«V4C2O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Er(Dedtc)₃(Phen)]

Formula Unicode styled: 
[Er(Dedtc)₃(Phen)]
Compound name(s): 
tris(N,N-Diethyldithiocarbamato)-(1,10-phenanthroline)-erbium
Central atom: 
Sulfur
Attached groups: 
=CR₂ (alkylidene)
Er group (Z type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
S«V4C2O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Er(Dedtc)₃(Bpy)]

Formula Unicode styled: 
[Er(Dedtc)₃(Bpy)]
Compound name(s): 
tris(N,N-Diethyldithiocarbamato-S,S')-2,2'-bipyridyl-erbium
Central atom: 
Sulfur
Attached groups: 
=CR₂ (alkylidene)
Er group (Z type)
Charge on central atom: 
0
Compound type: 
Molecular
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (-II)
Coordination Number (CN, sum of attached group denticities): 
CN: 2
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
S«V4C2O-IIE8B3L0X2Z1»
[MLXZ]𝘲 class: 
[MX2Z1]
MLXZ class (ENC, equivalent neutral class): 
MX2Z1

[Er(μ₂-I)(PMePh₂)(η⁸-Cot)]₂

Formula Unicode styled: 
[Er(μ₂-I)(PMePh₂)(η⁸-Cot)]₂
Compound name(s): 
bis-[(μ-iodo)-(methyl(diphenyl)phosphine)-(cyclooctatetraene)-erbium]
Central atom: 
Phosphorus
Attached groups: 
Me (methyl)
Ph (phenyl)
Er group (Z type)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 5
Oxidation Number (ON) (Roman numerals): 
ON: (III)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
P«V5C4OIIIE8B4L0X3Z1»
[MLXZ]𝘲 class: 
[MX3Z1]
MLXZ class (ENC, equivalent neutral class): 
MX3Z1