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Untitled - Sciencemadness Dot Org

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4. PHYSICAL PROPERTIES<br />

TETRYL<br />

4.1 Crystal Structure.” The tetryl crystal is monoclinic and has the following<br />

cell parameters.<br />

4.2 Density.?a8<br />

Cell Parameters<br />

Length of unit cell edge (A)<br />

Angle /I?<br />

TJ<br />

C<br />

Molecules per unit cell 4<br />

Method of<br />

Determination State<br />

14.129<br />

7.374<br />

10.614<br />

95.07”<br />

Temperature Density<br />

(“0 k/cmS)<br />

X-ray data Solid 21 1.731<br />

Flotation Solid 21 1.74<br />

Pressed Tetryl<br />

Compression usually gives the following densities.<br />

4.3 Infrared Spectrum. See Fig. 1.<br />

Pressure Density<br />

(psi) k/cm3)<br />

3 000 1.40<br />

5 000 1.47<br />

10 000 1.57<br />

20 000 1.67<br />

30 000 1.71<br />

165

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