Crystal structure of bis(diisopropylammonium) molybdate

• Main Authors: Bougar Sarr, Abdou Mbaye, Cheikh Abdoul Khadir Diop, Frederic Melin, Petra Hellwig, Mamadou Sidibé, Yoann Rousselin
• Format: Article
• Language: English
• Published: International Union of Crystallography 2018-11-01
• Series: Acta Crystallographica Section E: Crystallographic Communications
• Subjects: crystal structure; organic-inorganic salt; molybdate anion; N—H...O hydrogen bonding; graph set notation
• Online Access: http://scripts.iucr.org/cgi-bin/paper?S2056989018014755

The organic–inorganic title salt, (C6H16N)2[MoO4] or (iPr2NH2)2[MoO4], was obtained by reacting MoO3 with diisopropylamine in a 1:2 molar ratio in water. The molybdate anion is located on a twofold rotation axis and exhibits a slightly distorted tetrahedral configuration. In the crystal structure, the diisopropylammmonium (iPr2NH2)+ cations and [MoO4]2− anions are linked to each other through N—H...O hydrogen bonds, generating rings with R1212(36) motifs that give rise to the formation of a three-dimensional network. The structure was refined taking into account inversion twinning (ratio of ca 4:1 between the two domains).