Crystal structure of a copper complex containing the 4-bromo-2-{[(2-hydroxyethyl)imino]methyl}- phenol base Schiff ligand.

Λεπτομέρειες βιβλιογραφικής εγγραφής
Τίτλος:	Crystal structure of a copper complex containing the 4-bromo-2-{[(2-hydroxyethyl)imino]methyl}- phenol base Schiff ligand.
Συγγραφείς:	Niang, Adama, Mane, Elhadji Sékou, Mazzeo, Paolo Pio, Ka, Diéwo, Diouf, Ousmane, Gaye, Mohamed Lamine, Thiam, Ibrahima Elhadji, Bacchi, Alessia
Πηγή:	Acta Crystallographica Section E: Crystallographic Communications; Oct2026, Vol. 82 Issue 10, p1213-1216, 12p
Θεματικοί όροι:	Copper compounds, Schiff bases, Thiocyanates, Crystal structure, Space groups, Crystallization, Hydrogen bonding
Περίληψη:	The coordination co-crystal (4-bromo-2-{[(2-hydroxyethyl)imino]methyl]phen-ololato-K³O,N,O') (thiocyanato-KN)copper(II)-5-bromo-2-hydroxybenzalde-hyde-water (2/1/1), [Cu(C9H9BrNO2) (NCS)]-0.5C7H5BrO2-0.5H2O [Cu(HL)(SCN)]2-C7H5BrO2·H2O, crystallizes in the monoclinic space group P21/c. The asymmetric unit contains two mononuclear units of the complex, each consisting of one deprotonated ligand, one thiocyanate anion (SCN) coordi-nated through its nitrogen atom, one free water molecule, and one free 5-bromosalicylaldehyde molecule, forming a co-crystal. The copper atom is four-coordinate, adopting a slightly distorted square-planar geometry defined by the tridentate ligand and the nitrogen atom of the thiocyanate anion. Bond length values show that the thiocyanate ion has a linear S-C≡N arrangement, typical of a terminal, N-bound isothiocyanate group. The water molecule plays a key role in linking the two complex units through O-H⋯O hydrogen bonds. In the crystal, C-H⋯O and C-H⋯Br hydrogen bonds allow the free 5-bromo-salicylaldehyde molecule to form a bridge between two adjacent layers. Addi-tional O-H⋯O, C-H⋯S, O-H⋯S, and C-H⋯N interactions further consolidate the overall structure. [ABSTRACT FROM AUTHOR]
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Βάση Δεδομένων:	Complementary Index

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