Table 2. Selected geometrical parameters (Å) of complexes (I) and (II) compared to literature data.

Compound	(I)	(II)	CSD complexes*
Cr1—CO (av)	1.846 (4)	1.8432 (15)	1.798–1.855
Cr1—C(Ph)	2.2056 (14)–2.2311 (14)	2.2061 (17)–2.2316 (15)	2.195–2.265
Cr1—Centroid	1.7067 (6)	1.7067 (7)	1.707–1.728

Note: (*) eight related complexes have been considered; their CSD (Groom et al., 2016 ▸) refcodes are COCRDP02 and MAJLAL (Guzei & Czerwinski, 2004 ▸), EMEYIE (Czerwinski et al., 2003 ▸), EXUFAF and EXUFIN (Czerwinski et al., 2011 ▸), FOZLEL (Mailvaganam et al., 1987 ▸), QIQXOF (Brydges et al., 2013 ▸), and ABISAI (Miles et al., 2016 ▸).