Table 1. Selected geometric parameters (Å, °).
| Cr—Cri | 2.3242 (6) | O4—C3 | 1.261 (2) |
| Cr—O4i | 2.0121 (14) | O2—C1 | 1.262 (2) |
| Cr—O2i | 2.0146 (13) | O1—C1 | 1.263 (2) |
| Cr—O1 | 2.0083 (13) | O5—C5 | 1.447 (2) |
| Cr—O5 | 2.3267 (13) | O5—C8 | 1.444 (2) |
| Cr—O3 | 2.0175 (13) | O3—C3 | 1.262 (2) |
| O4i—Cr—O2i | 90.40 (6) | O1—Cr—O4i | 89.91 (6) |
| O4i—Cr—O5 | 89.29 (5) | O1—Cr—O2i | 177.24 (5) |
| O4i—Cr—O3 | 177.16 (5) | O1—Cr—O5 | 94.38 (5) |
| O2i—Cr—O5 | 88.36 (5) | O1—Cr—O3 | 90.19 (6) |
| O2i—Cr—O3 | 89.37 (6) | O3—Cr—O5 | 93.53 (5) |
Symmetry code: (i)
.