This can be further
confirmed by the evaluation of torsion angles C1–C2–N1–Pd
and C2–C1–O1–Pd, being 1.0(3) and 3.8(3), respectively. It is
also noted that the rotation of uncoordinated COO group about
C7–C6 bond imposes O3 atom to get close to H5b and, therefore,
an intramolecular H-bonding results.