Bis(2-hy-droxy-eth-yl)ammonium picrate
Perumal Nagapandiselvi1, Rengasamy Gopalakrishnan1
1Department of Physics, Anna University, Chennai 600 025, India.
Acta Crystallographica. Section E, Structure Reports Online
|January 16, 2014
Abstract:
The asymmetric unit of the title salt, C4H12NO2 (+)·C6H2N3O7 (-), contain two bis-(2-hy-droxy-eth-yl)ammonium cations and two picrate anions. An intra-molecular N-H⋯O hydrogen bond occurs in each cation. In the crystal, mol-ecules are linked via O-H⋯O and N-H⋯O hydrogen bonds, which generate two R 2 (1)(6), an R 2 (2)(10) and an R 2 (2)(13) graph-set ring motifs. There are also a number of C-H⋯O hydrogen bonds present. The sum of these inter-actions leads to the formation a three-dimensional structure.
Related Concept Videos
Weak Base Solutions
19.7K
Some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. In all cases, these compounds react only partially and so are classified as weak bases. These types of compounds are also abundant in nature and important commodities in various technologies. For example, global production of the weak base ammonia is typically well over 100 metric tons annually, being widely used as an agricultural fertilizer, a raw material for chemical synthesis of other...
19.7K
Titration of a Weak Base with a Strong Acid
9.1K
The titration curve of a weak base like ammonia with a strong acid like hydrochloric acid is the mirror image of the titration curve of a weak acid with a strong base.
Using the ICE table and substituting the Kb value, we calculate the initial pH of 50 mL of 0.1 M ammonia to be 11.11. Addition of 25 mL of 0.1 M hydrochloric acid to this solution of ammonia results in a buffer with an equal concentration of ammonia and ammonium ions. The pH of this buffer can be calculated by substituting these...
Using the ICE table and substituting the Kb value, we calculate the initial pH of 50 mL of 0.1 M ammonia to be 11.11. Addition of 25 mL of 0.1 M hydrochloric acid to this solution of ammonia results in a buffer with an equal concentration of ammonia and ammonium ions. The pH of this buffer can be calculated by substituting these...
9.1K


