Supporting Information Exploring the coordinative adaptation and molecular shapes of the trinuclear Cu II 2 M II (M = Zn/Cd) complexes derived from salen type Schiff bases: Structural and theoretical studies Alokesh Hazari, a,b Lakshmi Kanta Das, c Antonio Bauzá, d Antonio Frontera, d * and Ashutosh Ghosh a * a Department of Chemistry, University College of Science, University of Calcutta, 92, A.P.C. Road, Kolkata-700 009, India. E-mail: ghosh_59@yahoo.com b Department of Chemistry, Government General Degree College Singur, Jalaghata, Hooghly- 712409 c Department of Chemistry, Government General Degree College Kharagpur-II, Ambigeria, Madpur, Paschim Medinipur-721149 d Departament de Química, Universitat de les IllesBalears, Crta. deValldemossa km 7.5, 07122 Palma de Mallorca (Baleares), Spain; E–mail: toni.frontera@uib.es Table S1. Bond distances (Å) and angles () for complexes 1 and 2 1 2 Cu(1)–O(10) 1.925(3) 1.936(4) Cu(1)–O(30) 1.923(3) 1.963(4) Cu(1)–N(18) 1.983(4) 2.022(5) Cu(1)–N(22) 1.958(3) 1.995(5) Cu(1)–N(2) --- 2.515(6) Cu(2)–O(31) 1.925(3) 1.933(4) Cu(2)–O(51) 1.924(3) 1.952(4) Cu(2)–N(39) 1.976(4) 2.011(5) Cu(2)–N(43) 1.961(3) 1.994(5) Cu(2)–N(2) --- 2.525(6) Zn(1)–O(10) 2.082(3) 2.020(4) Zn(1)–O(30) 2.385(3) 2.121(4) Zn(1)–O(31) 2.097(3) 2.020(4) Zn(1)–O(51) 2.236(3) 2.105(3) Zn(1)–N(1) 2.039(4) 1.930(6) Zn(1)–N(2) 2.000(4) --- O(10)–Cu(1)–O(30) 79.44(1) 78.64(2) N(18)–Cu(1)–N(22) 97.56(1) 100.00(2) N(22)–Cu(1)–O(30) 92.69(1) 89.00(2) N(18)–Cu(1)–O(10) 91.07(1) 92.70(2) Electronic Supplementary Material (ESI) for Dalton Transactions. This journal is © The Royal Society of Chemistry 2016