1. Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
2. Center for Materials Characterization, National Chemical Laboratory, Pune 411008, India
3. Laboratoire de Crystallographie, Resonance Magnetique & Modelisation, CRM2, CNRS, UMR 7036, Nancy Université, Faculté des Sciences et Techniques, BP 70239, 54506 Vandoeuvre-lès-Nancy CEDEX, France
4. Mark Wainwright Analytical Center, University of New South Wales, Sydney, Australia, NSW 2052