1 A new strongly paramagnetic cerium containing microporous MOF for CO 2 fixation under ambient conditions Sabuj Kanti Das, a Sauvik Chatterjee, a Subhajit Bhunia, b Abhishake Mondal, c Partha Mitra, d Vandana Kumari, a Anirban Pradhan b and Asim Bhaumik* ,a [a] Department of Materials Science, Indian Association for the Cultivation of Science, 2A & B Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India, Address for correspondence. E-mail: msab@iacs.res.in [b] Director Research Unit, Indian Association for the Cultivation of Science, 2A & B Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India [c] Centre de Recherche Paul Pascal CRPP-CNRS UPR 8641, Molecular Materials & Magnetism, 115, Avenue du Dr A. Schweitzer, 33600 Pessac, France [d] Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, 2A & B Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India Electronic Supplementary Material (ESI) for Dalton Transactions. This journal is © The Royal Society of Chemistry 2017