Table 2.

Selected bond lengths (Å) and angles (°).

Cu1–O3	1.930 (3)	Cu1–O4ii	2.522 (4)
Cu1–O2	1.936 (3)
O3i–Cu1–O3	180.00 (18)	O2–Cu1–O2i	180.0
O3i–Cu1–O2	85.88 (13)	O3i–Cu1–O4ii	91.32 (13)
O3–Cu1–O2	94.12 (13)	O3–Cu1–O4ii	88.68 (13)
O3i–Cu1–  O2i	94.12 (13)	O2–Cu1–O4ii	87.78 (13)
O3–Cu1–  O2i	85.88 (13)	O2i–Cu1–O4ii	92.22 (13)

Symmetry codes: (i) −x, −y + 2, −z; (ii) −x, y + 1/2, −z + 1/2.