Table 2. Comparison of bond lengths (Å) determined from the current single-crystal X-ray study and from the powder study by Kaduk et al. (2022 ▸).

Atom	Atom	Current single-crystal X-ray study.	Previous powder study*
O1	C1	1.2144 (9)	1.212 (10)
C1	C2	1.5035 (10)	1.558 (10)
C2	C3	1.5221 (10)	1.516 (11)
C4	C3	1.5069 (11)	1.513 (12)
C5	C4	1.3387 (11)	1.314 (11)
C5	C12	1.5017 (10)	1.395 (12)
C5	C6	1.5121 (11)	1.497 (12)
C7	C6	1.5597 (12)	1.518 (15)
C1	C10	1.5292 (10)	1.514 (12)
C9	C8	1.3391 (10)	1.326 (13)
C9	C10	1.5207 (10)	1.576 (12)
C9	C11	1.5005 (10)	1.537 (13)
C8	C7	1.5002 (10)	1.484 (13)
C13	C2	1.3460 (10)	1.405 (10)
C13	C14	1.5015 (11)	1.601 (11)
C13	C15	1.5015 (11)	1.574 (11)

Note: (*) atom labels were adopted from the current single-crystal X-ray study for better comparison.