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

Mo(CO)₃Cp (tricarbonylcyclopentadienylmolybdenum)

Attached groups:

Bz (phenylmethanido-κC)

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(Bz)(CN)]

Formula Unicode styled:

[Se(Bz)(CN)]

Compound name(s):

Benzyl-cyano-selenium

Central atom:

Attached groups:

Bz (phenylmethanido-κC)

CN (cyano-κC)

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(Br)]₂

Formula Unicode styled:

[Se(Br)]₂

Compound name(s):

Bis-[bromo-selenium], diselenium dibromide (alpha)

Central atom:

Attached groups:

Br (bromo)

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^IE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(Br)(Mes)]

Formula Unicode styled:

[Se(Br)(Mes)]

Compound name(s):

Bromo(mesityl)selenium

Central atom:

Attached groups:

Br (bromo)

Mes (mesityl)

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(Br)(C₆H₂Buᵗ₃)]

Formula Unicode styled:

[Se(Br)(C₆H₂Buᵗ₃)]

Compound name(s):

Bromo(2,4,6-tri-t-butylphenyl)selenium

Central atom:

C₆H₂Buᵗ₃ (2,4,6-tri-t-butylphenyl)

Attached groups:

Br (bromo)

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{SC(NH₂)₂}₂]²⊕

Formula Unicode styled:

[Se{SC(NH₂)₂}₂]²⊕

Compound name(s):

bis(Thiourea)-selenium(2+)

Central atom:

Attached groups:

SC(NH₂)₂ (thiourea)

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«V²C²O^IIE⁸B²Z⁰X⁰L²»^2⊕

[MLXZ]𝘲 class:

[ML₂]²⁺

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se{S₂P(OEt)₂-κS}₂]

Formula Unicode styled:

[Se{S₂P(OEt)₂-κS}₂]

Compound name(s):

bis(Diethyldithiophosphato)-selenium

Central atom:

S₂P(OEt)₂ (diethyldithiophosphato-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{N(SiMe₃)₂}₂]

Formula Unicode styled:

[Se{N(SiMe₃)₂}₂]

Compound name(s):

bis(bis(Trimethylsilyl)amido)-selenium

Central atom:

N(SiMe₃)₂ (bis(trimethylsilyl)amino)

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{Cr(CO)₃Cp}(Ph)]

Formula Unicode styled:

[Se{Cr(CO)₃Cp}(Ph)]

Compound name(s):

(Tricarbonyl-(η⁵-cyclopentadienyl)-chromium)-phenyl-selenium

Central atom:

Cr(CO)₃Cp (tricarbonylcyclopentadienylchromium)

Attached groups:

Ph (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^OE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se(CHBuᵗ₂)]₂

Formula Unicode styled:

[Se(CHBuᵗ₂)]₂

Compound name(s):

bis(Di-t-butylmethyl)diselenium

Central atom:

CHBuᵗ₂ (bis-t-butylmethyl)

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^IE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se{C(SiMe₃)₃}]₂

Formula Unicode styled:

[Se{C(SiMe₃)₃}]₂

Compound name(s):

1,2-bis(tris(Trimethylsilyl)methyl)diselenium

Central atom:

C(SiMe₃)₃ (tristrimethylsilylmethyl)

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^IE⁸B²Z⁰L⁰X²»

[MLXZ]𝘲 class:

[MX₂]

MLXZ class (ENC, equivalent neutral class):

MX₂

[Se{Au(PPh₃)}₂]

Formula Unicode styled:

[Se{Au(PPh₃)}₂]

Compound name(s):

bis(triphenylphosphine-gold)-selenium

Central atom:

Au(PPh₃) (triphenylphosphinogold)

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{Au(PPh₃)}(=C(NH₂)₂)]⊕

Formula Unicode styled:

[Se{Au(PPh₃)}(=C(NH₂)₂)]⊕

Compound name(s):

(Triphenylphosphine-gold)-(urea)-selenium(1+)

Central atom:

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):

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: