Common molecules sample 50754

Empirical formula:	CH₆N₄S
a:	4.740 Å
b:	15.530 Å
c:	7.190 Å
α (alpha):	90.00 °
β (beta):	122.40 °
γ (gamma):	90.00 °
Volume:	446.88 Å³
Space group:	P21/c
Calculated density:	1.578 g/cm³
Z:	4
Temperature:	22.0 °C
Formula weight:	106.152 g/mole
R(F):	0.0790
Common name:	Thiocarbohydrazide
CSD refcode:	THCHYD
Short description:	Thiocarbohydrazide is a common reagent in Transmission and Scanning Electron Microscopy.
Keyword:	Scanning Electron Microscopy
Keyword:	Transmission Electron Microscopy
Keyword:	osmiophillic
Citation of a publication:	Reference:Acta Crystallogr.,Sect.B,25,(1969) p2286 Authors:A.Braibanti, A.Tiripicchio, M.Tiripicchio Camellini
Layman's explanation:	Thiocarbohydrazide (TCH) was discovered in 1908 by R. Stolle. Wilson and Gula were the first to begin studies on this new molecule. Audrieth reinvestigated and improved the original synthesis of TCH and Sandstrom and Beyer were among the first to use TCH in heterocyclic synthesis. TCH has several uses, but the major use is in Transmission and Scanning Electron Microscopy (TEM and SEM). One reason that TCH is such a versatile reagent is that it is osmiophillic, which enables it to be used in cooperation with many osmium reagents, especially and most commonly osmium tetroxide (OsO4). Another reason TCH is commonly used, is because it has an indefinite shelf life, due to its purification process.
Lab name:	Common molecules
Sample provider:	Obtained courtesy of the Cambridge Structural Database
Status:	Complete, visible to public

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