4-coordinate: tetrahedral (p-block element, 2 lone pairs)

Au(PPh₃) (triphenylphosphinogold)

Attached groups:

=C(NH₂)₂ (diaminomethylidene)

Charge on central atom:

1

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

VN: 4

Oxidation Number (ON) (Roman numerals):

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Se«V⁴C²O^IIE⁸B³Z⁰L⁰X³»^⊕

[MLXZ]𝘲 class:

[MX₃]⁺

MLXZ class (ENC, equivalent neutral class):

MX₂Z₁

[Se]₈

Formula Unicode styled:

[Se]₈

Compound name(s):

cycloocta-selenium

Central atom:

Attached groups:

(no ligand)

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«V²C²O^OE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SC(O)Ph-κS)₂]

Formula Unicode styled:

[Se(SC(O)Ph-κS)₂]

Compound name(s):

bis(Thiobenzoato-S)-selenium

Central atom:

SC(O)Ph (thiobenzoato-κS)

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:

Se«V²C²O^IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(PPh₃)(SbI₃)]₂

Formula Unicode styled:

[Se(PPh₃)(SbI₃)]₂

Compound name(s):

(Tri-iodo-antimony)-(triphenyl-phosphine)-selenium

Central atom:

PPh₃ (triphenylphosphane)

Attached groups:

Sb group (Z type)

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«V²C²O^OE⁸B²X⁰L¹Z¹»

[MLXZ]𝘲 class:

[ML₁Z₁]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(CH₂SnPh₃)(C₆H₄OMe)]

Formula Unicode styled:

[Se(CH₂SnPh₃)(C₆H₄OMe)]

Compound name(s):

(methoxyphenyl)-(methyl-triphenyl-tin)-selenium

Central atom:

CH₂SnPh₃ (triphenylstannylmethyl)

Attached groups:

C₆H₄OMe (p-methoxy-phenyl)

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«V²C²O^IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(Fc)]₂

Formula Unicode styled:

[Se(Fc)]₂

Compound name(s):

Diferrocenyl diselenium

Central atom:

Attached groups:

Fc (ferrocenyl-κC)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

Oxidation Number (ON) (Roman numerals):

ON: (I)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Se«V²C²O^IE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(Fc)(SiMe₃)]

Formula Unicode styled:

[Se(Fc)(SiMe₃)]

Compound name(s):

trimethylsilyl-ferrocenyl-selenium

Central atom:

Attached groups:

Fc (ferrocenyl-κC)

SiMe₃ (trimethylsilyl)

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«V²C²O^OE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(C₃H₅-κC)(CHPh₂)]

Formula Unicode styled:

[Se(C₃H₅-κC)(CHPh₂)]

Compound name(s):

Allyl-(diphenyl-methyl)-seleno

Central atom:

Attached groups:

C₃H₅ (allyl-κC)

CHPh₂ (diphenylmethyl)

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«V²C²O^IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(Tol-p)₂]

Formula Unicode styled:

[Se(Tol-p)₂]

Compound name(s):

Di-p-tolyl selenium

Central atom:

Attached groups:

Tol-p (p-tolyl)

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«V²C²O^IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(Tol-p)]₂

Formula Unicode styled:

[Se(Tol-p)]₂

Compound name(s):

Di-p-tolyl diselenium

Central atom:

Attached groups:

Tol-p (p-tolyl)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

Oxidation Number (ON) (Roman numerals):

ON: (I)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Se«V²C²O^IE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SO₂Tol)₂]

Formula Unicode styled:

[Se(SO₂Tol)₂]

Compound name(s):

bis(p-Tolylsulfonyl)-selenium

Central atom:

Attached groups:

SO₂Tol (tolylsulfonyl)

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«V²C²O^IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SnPh₃)₂]

Formula Unicode styled:

[Se(SnPh₃)₂]

Compound name(s):

bis(Triphenyl-tin)-selenium

Central atom:

Attached groups:

SnPh₃ (triphenylstannyl)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

Oxidation Number (ON) (Roman numerals):

ON: (-II)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Se«V²C²O^-IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SnBuᵗ₃)₂]

Formula Unicode styled:

[Se(SnBuᵗ₃)₂]

Compound name(s):

bis(Tri-t-butylstannyl)-selenium

Central atom:

SnBuᵗ₃ (tri-t-butylstannyl)

Attached groups:

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

Oxidation Number (ON) (Roman numerals):

ON: (-II)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Se«V²C²O^-IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SMe)₂]

Formula Unicode styled:

[Se(SMe)₂]

Compound name(s):

bis(Methylmercapto)selenium

Central atom:

Attached groups:

SMe (methylthio)

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«V²C²O^IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SiPh₃)₂]

Formula Unicode styled:

[Se(SiPh₃)₂]

Compound name(s):

bis(triphenylsilyl)selenium

Central atom:

Attached groups:

SiPh₃ (triphenylsilyl)

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

Oxidation Number (ON) (Roman numerals):

ON: (-II)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Se«V²C²O^-IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SiBuᵗ₃)]₂

Formula Unicode styled:

[Se(SiBuᵗ₃)]₂

Compound name(s):

bis(Tri-t-butylsilyl)diselenium

Central atom:

SiBuᵗ₃ (tri-t-butylsilyl)

Attached groups:

Charge on central atom:

0

Compound type:

Valence Number (VN) = 𝘹 + 2𝘻 :

Oxidation Number (ON) (Roman numerals):

ON: (-I)

Coordination Number (CN, sum of attached group denticities):

Electron Number (EN) = 𝘮 + 𝘹 +2𝘭:

Summary of calculated classifications:

Se«V²C²O^-IE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SeCN)₂]

Formula Unicode styled:

[Se(SeCN)₂]

Compound name(s):

bis(selenocyano)-Selenium

Central atom:

Attached groups:

SeCN (selenocyanato)

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«V²C²O^OE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(SCN-κS)₂]

Formula Unicode styled:

[Se(SCN-κS)₂]

Compound name(s):

dithiocyano-selenium

Central atom:

Attached groups:

SCN (thiocyanato-κS)

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«V²C²O^IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(S₂PEt₂-κS)₂]

Formula Unicode styled:

[Se(S₂PEt₂-κS)₂]

Compound name(s):

bis(Diethyldithiophosphinato)-selenium

Central atom:

S₂PEt₂ (dithiodiethylphosphinato-κS)

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:

Se«V²C²O^IIE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(PPh₃)(Aul)]

Formula Unicode styled:

[Se(PPh₃)(Aul)]

Compound name(s):

(Iodo-gold)-triphenylphosphine-selenium

Central atom:

PPh₃ (triphenylphosphane)

Attached groups:

AuI (iodogold)

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: