Chlorine N Q R on Derivatives of Chloral

نویسندگان

  • Masao Hashimoto
  • Norbert Weiden
چکیده

The 35C1-NQR spectrum of several derivatives of chloral, Cl3CCHO, was studied in the ranee 77 K ^ T Tm. By use of the spin echo double resonance technique a relative assignment of the resonances to different ClaC-groups within one crystallized compound was possible. The solid compounds studied are: High temperature phase of chloral hydrate, Cl3CCH(OH)2; parachloral, (Cl3CCHO)3, (aand ß-isomer); the two phases of chloral hemihydrate CI3CCHO • 1/2 H 2 0 ; chloralide (II); chloralhemithiohydrate, CI3CCHO • 1/2 H2S. The structure of the molecules in the solid state and the fade out of the NQR resonances are discussed.

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تاریخ انتشار 2013