Citation: Sun, Yuexin; Sun, Yayong; Zheng, Hao; Wang, Hongli; Han, Yi; Yang, Yu; Wang, Lei (2016). Four calcium(ii) coordination polymers based on 2,5-dibromoterephthalic acid and different N-donor organic species: syntheses, structures, topologies, and luminescence properties. CrystEngComm, 18, pp. 8664-.