Comment on: “Is linear group X–Y–Z in boron carbide the weakest link in the structure?” by S. V. Konovalikhin and V. I. Ponomarev (Russ. J. Phys. Chem. A 89 (10), 1850 (2015))

The characterization of the boron carbide investigated in the above-mentioned paper and some of the conclusions made on it by the authors are critically appraised with regard to reliable results obtained earlier by other scientists.