%0 Journal Article %T Crystal and molecular structure of [Ni(2-H2NC(=O)C5H4N)2(H2O)2][Ni(2,6-(O2C)2C5H3N)2]ยท4.67H2O; DFT studies on hydrogen bonding energies in the crystal %A Mohammad Chahkandi %A Abolfazl Keivanloo Shahrestanaki %A Mirzaei Shahrabi, Masoud %A Muhammad Nawaz Tahir %A Joel T. Mague %J Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials %@ 2052-5206 %D 2020