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Updated: May 30, 2026

Isolating Free Carbenes, their Mixed Dimers and Organic Radicals
Published on: April 19, 2019
Butane-1,2,3,4-tetra-carb-oxy-lic acid-1,10-phenanthroline-water (1/2/2)
1Center of Applied Solid State Chemistry Research, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China.
Abstract:
The asymmetric unit of the title compound, 2C(12)H(8)N(2)·C(8)H(10)O(8)·2H(2)O, contains one 1,10-phenanthroline mol-ecule, one half-mol-ecule of butane-1,2,3,4-tetra-carb-oxy-lic acid (H(4)BTC) and a water mol-ecule, with the complete tetra-acid generated by crystallographic inversion symmetry. Inter-molecular O-H⋯O hydrogen bonds and π-π stacking inter-actions [centroid-centroid distances = 3.672 (2) and 3.708 (2) Å form an extensive three-dimensional network, which consolidates the crystal packing.
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