Table 3.

Selected individual bond distances (Å) and angles (°) for meta-alunogen

S1-O2	1.4362 (83)	S1-O1	1.4607 (97)	S1-O3	1.481 (11)
S1-O4	1.4840 (84)
S2-O5	1.478 (10)	S2-O6	1.4705 (95)	S2-O7	1.4625 (84)
S2-O8	1.4616 (87)
S3-O9	1.4898 (96)	S3-O10	1.4737 (99)	S3-O11	1.4812 (81)
S3-O12	1.504 (10)
Al1-O16	1.8489 (91)	Al1-O13	1.884 (11)	Al1-O14	1.8884 (98)
Al1-O18	1.888 (10)	Al1-O17	1.906 (12)	Al1-O15	1.9110 (99)
Al2-O20	1.8712 (97)	Al2-O24	1.896 (12)	Al2-O22	1.9130 (84)
Al2-O19	1.9169 (93)	Al2-O23	1.920 (11)	Al2-O21	1.920 (11)
O2-S1-O1	113.35 (60)	O2-S1-O3	109.14 (65)	O2-S1-O4	111.42 (66)
O1-S1-O3	107.40 (813)	O1-S1-O4	106.16 (57)	O3-S1-O4	109.43 (64)
O8-S2-O7	114.54 (66)	O8-S2-O6	107.00 (60)	O8-S2-O5	109.42 (70)
O7-S2-O6	112.88 (66)	O7-S2-O5	107.47 (70)	O6-S2-O5	105.34 (57)
O10-S3-O11	109.99 (59)	O10-S3-O9	106.08 (62)	O10-S3-O12	108.70 (54)
O11-S3-O9	112.99 (58)	O11-S3-O12	104.71 (58)	O9-S3-O12	113.77 (62)