Research Article
Investigations on Growth, Optical and Thermal Properties of Sulphamic Acid Single Crystals
Table 3
Summary of factor group analysis.
| | Factor group symmetry | Site symmetry | S | H | N | O | Optical modes | Acoustical modes |
Total | | Ext. | Int. |
| | Ag | 2T | 3R | 18 | 3 | 9 | 3 | 9 | 24 | 1 | 23 | | B1g | 3T | 3R | 18 | 3 | 9 | 3 | 9 | 24 | — | 24 | | B2g | 3T | 3R | 18 | 3 | 9 | 3 | 9 | 24 | — | 24 | | B3g | 3T | 3R | 18 | 3 | 9 | 3 | 9 | 24 | — | 24 | | Au | T | 3R | 18 | 3 | 9 | 3 | 9 | 24 | 2 | 22 | | B1u | 3T | 3R | 18 | 3 | 9 | 3 | 9 | 24 | — | 24 | | B2u | 3T | 3R | 18 | 3 | 9 | 3 | 9 | 24 | — | 24 | | B3u | 3T | 3R | 18 | 3 | 9 | 3 | 9 | 24 | — | 24 |
| | Total | 21T | 24R | 144 | | | | | 192 | 3 | 189 |
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