Search results
Results from the WOW.Com Content Network
Carbon disulfide (also spelled as carbon disulphide) is an inorganic compound with the chemical formula CS 2 and structure S=C=S. It is also considered as the anhydride of thiocarbonic acid . [ 8 ] It is a colorless, flammable, neurotoxic liquid that is used as a building block in organic synthesis.
Structure and properties Index of refraction, n D: ... for Carbon disulfide/Methanol [5] P = 760 mm Hg BP Temp. °C % by mole carbon disulfide liquid vapor 58.8: 1.3:
[1] [2] [3] Introduced by Gilbert N. Lewis in his 1916 article The Atom and the Molecule, a Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds. [4] Lewis structures extend the concept of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond.
Carbonyl sulfide was first described in 1841, [21] but was apparently mischaracterized as a mixture of carbon dioxide and hydrogen sulfide. Carl von Than first characterized the substance in 1867. It forms when carbon monoxide reacts with molten sulfur: CO + 1 / 8 S 8 → COS. This reaction reverses above 1200 K (930 °C; 1700 °F).
The prototype of a protein disulfide bond is the two-amino-acid peptide cystine, which is composed of two cysteine amino acids joined by a disulfide bond. The structure of a disulfide bond can be described by its χ ss dihedral angle between the C β −S γ −S γ −C β atoms, which is usually close to ±90°.
Later, infrared and Raman spectroscopy showed that the structure is symmetrical with a D ∞h point group symmetry, [3] i.e. S=C=C=C=S. This compound is analogous to carbon suboxide whose structure is O=C=C=C=O. Lengyel first synthesized this compound by passing carbon disulfide (CS 2) vapor through an electric arc with carbon electrodes. This ...
Its tetrahedral molecular structure is similar to that of adamantane and almost identical to the structure of phosphorus pentoxide. [4] Phosphorus pentasulfide is obtained by the reaction of liquid white phosphorus (P 4) with sulfur above 300 °C. The first synthesis of P 4 S 10 by Berzelius in 1843 [5] was by this method.
Carbon sulfide may refer to: Carbon disulfide; Carbon monosulfide; Carbon subsulfide; Sulflower; Cyclohexanehexathione This page was last edited on 16 June ...