6-coordinate: octahedral (p-block element, 2 lone pairs)

catena–1D-[Se(Br)₂{S(Me)CH₂CH₂CH₂SMe}]

Formula Unicode styled: 
catena–1D-[Se(Br)₂{S(Me)CH₂CH₂CH₂SMe}]
Compound name(s): 
catena-[dibromo-(μ₂-2,6-dithiaheptane-S,S')-selenium]
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C4OIIE12B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Se(Br)₂(μ₂-Br)]⊖

Formula Unicode styled: 
[Se(Br)₂(μ₂-Br)]⊖
Compound name(s): 
bis-[dibromo-(μ₂-bromo)-selenium(1-)]
Central atom: 
Attached groups: 
Charge on central atom: 
-1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C4OIIE12B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Xe(F)₃{F➝W(F)₄(O)}]

Formula Unicode styled: 
[Xe(F)₃{F➝W(F)₄(O)}]
Compound name(s): 
trifluoro-(F➝tungsten-tetrafluoro-oxo)-xenon
Central atom: 
Attached groups: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Xe«V4C4OIVE12B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

trans–[Xe(F)₂(O)(NCMe)]

Formula Unicode styled: 
trans–[Xe(F)₂(O)(NCMe)]
Compound name(s): 
difluoro-oxo-acetonitrile-xenon
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Xe«V4C4OIVE12B4X2L1Z1»
[MLXZ]𝘲 class: 
[MX2L1Z1]
MLXZ class (ENC, equivalent neutral class): 
MX4

[As(Bpy-4,4'-Buᵗ₂)₂]⊕

Formula Unicode styled: 
[As(Bpy-4,4'-Buᵗ₂)₂]⊕
Compound name(s): 
bis(4,4'-di-t-butyl-2,2'-bipyridine)arsenic(1+)
bis(4,4'-di-t-butyl-2,2'-bipyridine)arsonium
Central atom: 
Charge on central atom: 
1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
As«V1C4OIE12B4Z0X0L4»
[MLXZ]𝘲 class: 
[ML4]+
MLXZ class (ENC, equivalent neutral class): 
MX1L3

[Xe(OTeF₅)₄]

Formula Unicode styled: 
[Xe(OTeF₅)₄]
Compound name(s): 
tetrakis(oxo-pentafluoro-tellurato)-xenon
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Xe«V4C4OIVE12B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

[Xe(F)₃(F{W(F)₃(O})]

Formula Unicode styled: 
[Xe(F)₃(F{W(F)₃(O})]
Compound name(s): 
trifluoro-(tetrafluoro-oxo-tungsten-κ-F)-xenon
Central atom: 
Attached groups: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Xe«V4C4OIVE12B4Z0L0X4»
[MLXZ]𝘲 class: 
[MX4]
MLXZ class (ENC, equivalent neutral class): 
MX4

cis–[P(Br)₂(TMEDA-κ²N)]⊕

Formula Unicode styled: 
cis–[P(Br)₂(TMEDA-κ²N)]⊕
Compound name(s): 
(tetramethylethylenediamine)(dibromo)phosphorus(1+)
Central atom: 
Charge on central atom: 
1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
P«V3C4OIIIE10B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]+
MLXZ class (ENC, equivalent neutral class): 
MX3L1

cis-[Te(SCN-κS)₂{SeC(NH₂)₂}₂]

Formula Unicode styled: 
cis-[Te(SCN-κS)₂{SeC(NH₂)₂}₂]
Compound name(s): 
cis-bis(thiocyanato)-bis(selenourea-Se)-tellurium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Te«V2C4OIIE12B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

catena–2D-trans–[Te(μ₂-Se₂)₂]²⊖

Formula Unicode styled: 
catena–2D-trans–[Te(μ₂-Se₂)₂]²⊖
Compound name(s): 
di-perselenido-tellurium(2-)
Central atom: 
Attached groups: 
Charge on central atom: 
-2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Te«V2C4OIIE12B4Z0L0X4»2⊖
[MLXZ]𝘲 class: 
[MX4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Te(SeCN)₂{SC(NH)₂(CH₂)₂}₂]

Formula Unicode styled: 
trans–[Te(SeCN)₂{SC(NH)₂(CH₂)₂}₂]
Compound name(s): 
di(selenocyanate)-di(ethylenethiourea)-tellurium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Te«V2C4OIIE12B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Te(SCN-κS)₂{SC(NH)₂(CH₂)₂}₂]

Formula Unicode styled: 
trans–[Te(SCN-κS)₂{SC(NH)₂(CH₂)₂}₂]
Compound name(s): 
di(thiocyanate)-di(ethylenethiourea)-tellurium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Te«V2C4OIIE12B4Z0X2L2»
[MLXZ]𝘲 class: 
[MX2L2]
MLXZ class (ENC, equivalent neutral class): 
MX2L2

trans–[Al(ONO-κO)₂(Pc)]⊖

Formula Unicode styled: 
trans–[Al(ONO-κO)₂(Pc)]⊖
Compound name(s): 
bis(nitrito-O)-(phthalocyaninato)-aluminium(1-)
Central atom: 
Charge on central atom: 
-1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Al«V3C6OIIIE12B6Z0X4L2»
[MLXZ]𝘲 class: 
[MX4L2]-
MLXZ class (ENC, equivalent neutral class): 
MX3L3

[Te(Br)₂{SC(NH)₂(CH₂)₂}]

Formula Unicode styled: 
[Te(Br)₂{SC(NH)₂(CH₂)₂}]
Compound name(s): 
Dibromo-bis(ethylenethiourea-S)-tellurium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Te«V2C3OIIE10B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

[Te(Te₃)(Te₄)]²⊖

Formula Unicode styled: 
[Te(Te₃)(Te₄)]²⊖
Compound name(s): 
octa-tellurium(2-)
Central atom: 
Charge on central atom: 
-2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Te«V2C4O-IIE12B4Z0L0X4»2⊖
[MLXZ]𝘲 class: 
[MX4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Te(I)₂{SC(NH)₂(CH₂)₂}]

Formula Unicode styled: 
[Te(I)₂{SC(NH)₂(CH₂)₂}]
Compound name(s): 
Diiodo-bis(ethylenethiourea-S)-tellurium
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Te«V2C3OIIE10B3Z0X2L1»
[MLXZ]𝘲 class: 
[MX2L1]
MLXZ class (ENC, equivalent neutral class): 
MX2L1

trans–[Si(Ph)₂(Tpp)]

Formula Unicode styled: 
trans–[Si(Ph)₂(Tpp)]
Compound name(s): 
5,10,15,20-Tetraphenylporphyrinato-diphenylsilane
Central atom: 
Charge on central atom: 
0
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Si«V4C6OIVE12B6Z0X4L2»
[MLXZ]𝘲 class: 
[MX4L2]
MLXZ class (ENC, equivalent neutral class): 
MX4L2

[Se(Cl)₅]⊖

Formula Unicode styled: 
[Se(Cl)₅]⊖
Compound name(s): 
pentachloro-selenium(1-)
Central atom: 
Attached groups: 
Charge on central atom: 
-1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V4C5OIVE12B5Z0L0X5»
[MLXZ]𝘲 class: 
[MX5]-
MLXZ class (ENC, equivalent neutral class): 
MX4L1

[Se(Cl)₄]²⊖

Formula Unicode styled: 
[Se(Cl)₄]²⊖
Compound name(s): 
tetrachloro-selenium(2-)
Central atom: 
Attached groups: 
Charge on central atom: 
-2
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C4OIIE12B4Z0L0X4»2⊖
[MLXZ]𝘲 class: 
[MX4]2-
MLXZ class (ENC, equivalent neutral class): 
MX2L2

[Se(Cl)₂(μ₂-Cl)]₂²⊖

Formula Unicode styled: 
[Se(Cl)₂(μ₂-Cl)]₂²⊖
Compound name(s): 
trichloroselenium(1-)
Central atom: 
Charge on central atom: 
-1
Compound type: 
Valence Number (VN) = 𝘹 + 2𝘻 : 
Oxidation Number (ON) (Roman numerals): 
Coordination Number (CN, sum of attached group denticities): 
Electron Number (EN) = 𝘮 + 𝘹 +2𝘭: 
Summary of calculated classifications: 
Se«V2C4OIIE12B4Z0X3L1»
[MLXZ]𝘲 class: 
[MX3L1]-
MLXZ class (ENC, equivalent neutral class): 
MX2L2