Se (μ₂-seleno X–X)

catena–1D-[Al(μ₂-Se)₂]⊖

Formula Unicode styled: 
catena–1D-[Al(μ₂-Se)₂]⊖
Compound name(s): 
catena-[diselenoaluminium(1-)]
Central atom: 
Aluminium
Attached groups: 
Se (μ₂-seleno X–X)
Charge on central atom: 
-1
Compound type: 
Catena-1D
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: 8
Summary of calculated classifications: 
Al«V3C4OIIIE8B4Z0L0X4»⊖
[MLXZ]𝘲 class: 
[MX4]-
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[Al(H)(μ₂-Se)(NMe₃)]₂

Formula Unicode styled: 
[Al(H)(μ₂-Se)(NMe₃)]₂
Compound name(s): 
bis-[(μ₂-Selenido)-hydrido-trimethylamino-aluminium]
Central atom: 
Aluminium
Attached groups: 
H (hydrido)
Se (μ₂-seleno X–X)
NMe₃ (trimethylamine)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Al«V3C4OIIIE8B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

[Al(SPh)(NMe₃)(μ₂-Se)]₂

Formula Unicode styled: 
[Al(SPh)(NMe₃)(μ₂-Se)]₂
Compound name(s): 
bis-[(μ₂-Selenido)-(trimethylamido)-(phenylthio)-aluminium]
Central atom: 
Aluminium
Attached groups: 
SPh (phenylthio)
NMe₃ (trimethylamine)
Se (μ₂-seleno X–X)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Al«V3C4OIIIE8B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

catena–3D-[Ga₂(μ₂-Se)(μ₃-Se)₂]

Formula Unicode styled: 
catena–3D-[Ga₂(μ₂-Se)(μ₃-Se)₂]
Compound name(s): 
catena-[digallium triselenide] (β)
Central atom: 
Gallium
Attached groups: 
Se (μ₂-seleno X–X)
Se (μ₃-seleno X₂L)
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: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Ga«V3C4OIIIE8B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]
MLXZ class (ENC, equivalent neutral class): 
MX3L1

catena–1D-[Si(μ₂-Se)₂]

Formula Unicode styled: 
catena–1D-[Si(μ₂-Se)₂]
Compound name(s): 
catena-[diseleno-silicon]
Central atom: 
Silicon
Attached groups: 
Se (μ₂-seleno X–X)
Charge on central atom: 
0
Compound type: 
Catena-1D
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Si«V4C4OIVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

network–[Ge(μ₂-Se)₂]

Formula Unicode styled: 
network–[Ge(μ₂-Se)₂]
Compound name(s): 
catena-[diseleno-germanium] alpha
Central atom: 
Germanium
Attached groups: 
Se (μ₂-seleno X–X)
Charge on central atom: 
0
Compound type: 
Network
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 4
Oxidation Number (ON) (Roman numerals): 
ON: (IV)
Coordination Number (CN, sum of attached group denticities): 
CN: 4
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
Ge«V4C4OIVE8B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

catena–2D-[As(Se)(μ₂-Se)]⊖

Formula Unicode styled: 
catena–2D-[As(Se)(μ₂-Se)]⊖
Compound name(s): 
catena-[diselenoarsenic(1-)]
Central atom: 
Arsenic
Attached groups: 
Se (seleno; Se⊖, X)
Se (μ₂-seleno X–X)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
As«V3C3OIIIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

catena–2D-[As₂(μ₂-Se)₃]

Formula Unicode styled: 
catena–2D-[As₂(μ₂-Se)₃]
Compound name(s): 
catena-[Diarsenic triselenide]
Central atom: 
Arsenic
Attached groups: 
Se (μ₂-seleno X–X)
Se (μ₃-seleno X₂L)
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: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
As«V3C3OIIIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3

[As(μ₂-Se)]₄

Formula Unicode styled: 
[As(μ₂-Se)]₄
Compound name(s): 
tetra-[selenido-arsenic]
Central atom: 
Arsenic
Attached groups: 
Se (μ₂-seleno X–X)
Charge on central atom: 
0
Compound type: 
Oligomer
Valence Number (VN) = 𝘹 + 2𝘻 : 
VN: 3
Oxidation Number (ON) (Roman numerals): 
ON: (II)
Coordination Number (CN, sum of attached group denticities): 
CN: 3
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
EN: 8
Summary of calculated classifications: 
As«V3C3OIIE8B3Z0L0X3»
[MLXZ]𝘲 class: 
[MX3]
MLXZ class (ENC, equivalent neutral class): 
MX3