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Crystal structures of copper(I) and silver(I) chloride complexes containing 4-phenylthiosemicarbazide and triphenylphosphine ligands

Yupa Wattanakanjana^a,*, Kamonwan Janwatthana^a, Tanaporn Romyen^a, Arunpatcha Nimthong-Roldán^b

 
ABSTRACT:     Copper(I) and silver(I) chloride complexes containing triphenylphosphine (PPh3) and 4-phenyl- thiosemicarbazide (4-PTSC) ligands were prepared and structurally analyzed, namely [CuCl(4-PTSC)(PPh₃)₂] (1) and [AgCl(4-PTSC)(PPh₃)₂]CH₃CN (2). Both compounds (1) and (2) exhibit a distorted tetrahedral metal coordination environment with two P atoms from two PPh3 ligands, one terminal S atom from the 4-PTSC ligand and a chloride ion. Intramolecular N−H · · · Cl and N−H · · · N hydrogen bonds are observed (graph set motifs S(6) and S(5), respectively). In the crystals of both complexes, molecules are linked to form dimers via bifurcated N−H · · · Cl hydrogen bonds involving the amine and chloride units. For compound (2), a solvate acetonitrile molecule acts as a hydrogen bond donor and acceptor via C−H(CH₃CN) · · · Cl and C−H · · · N(CH₃CN) interactions, leading to the formation of 1D chains along [010].

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* Corresponding author, E-mail: yupa.t@psu.ac.th

Received 11 Nov 2020, Accepted 23 Feb 2021