tetrahedral angle


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tetrahedral angle

[‚te·trə¦hē·drəl ′aŋ·gəl]
(mathematics)
A polyhedral angle with four faces.
References in periodicals archive ?
Students can easily understand bond angles such as 180[degrees], 120[degrees], or 90[degrees] (Table 1), but students (and teachers) often ask why the tetrahedral angle is approximately 109[degrees].
tetrahedral angle [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] Equation 1
The regular pentamer (see Figure 1(b)) was defined by the O-O distance of 2.82 [Angstrom] between the central oxygen atom and each atom in a vertex, and a tetrahedral angle 109.47[degrees] typical for water [44].
Figure 6 shows tetrahedral angles as a function of number of layers for In Sb-hexamantane using the same path of Figures 4-5.
In and Sb terminated surfaces differ in their bonds, charges, tetrahedral angles, and so forth.