Table 4. Selected bond lengths (Å) for RbGa(HAsO4)2 .
| Rb1A—O3i | 3.197 (2) | Rb2—O4xi | 3.4960 (16) |
| Rb1A—O3ii | 3.197 (2) | Rb2—O3xii | 3.5327 (19) |
| Rb1A—O3iii | 3.197 (2) | Rb2—O3xiii | 3.533 (2) |
| Rb1A—O3iv | 3.197 (2) | Rb2—O3xiv | 3.5328 (19) |
| Rb1A—O3v | 3.197 (2) | Ga1—O2xv | 1.9596 (14) |
| Rb1A—O3 | 3.197 (2) | Ga1—O2iii | 1.9597 (15) |
| Rb1A—O2ii | 3.3698 (16) | Ga1—O2xvi | 1.9597 (15) |
| Rb1A—O2iii | 3.3698 (16) | Ga1—O4xvii | 1.9690 (15) |
| Rb1A—O2v | 3.3699 (16) | Ga1—O4iv | 1.9690 (15) |
| Rb1A—O2 | 3.3699 (16) | Ga1—O4xviii | 1.9690 (15) |
| Rb1A—O2i | 3.3699 (15) | Ga2—O1viii | 1.9625 (15) |
| Rb1A—O2iv | 3.3699 (15) | Ga2—O1xiv | 1.9625 (16) |
| Rb2—O3 | 2.9346 (17) | Ga2—O1xix | 1.9625 (15) |
| Rb2—O3iv | 2.9347 (17) | Ga2—O1iv | 1.9626 (15) |
| Rb2—O3iii | 2.9347 (17) | Ga2—O1xviii | 1.9626 (16) |
| Rb2—O1vi | 3.3714 (16) | Ga2—O1xvii | 1.9626 (15) |
| Rb2—O1vii | 3.3715 (16) | As—O1xx | 1.6576 (15) |
| Rb2—O1viii | 3.3715 (17) | As—O2 | 1.6724 (15) |
| Rb2—O4ix | 3.4960 (16) | As—O4ii | 1.6805 (15) |
| Rb2—O4x | 3.4960 (17) | As—O3 | 1.7417 (17) |
Symmetry codes: (i) 
; (ii) 
; (iii) 
; (iv) 
; (v) 
; (vi) 
; (vii) 
; (viii) 
; (ix) 
; (x) 
; (xi) 
; (xii) 
; (xiii) 
; (xiv) 
; (xv) 
; (xvi) 
; (xvii) 
; (xviii) 
; (xix) 
; (xx) 
.