TY - JOUR
T1 - Hydrogen Peroxide Insular Dodecameric and Pentameric Clusters in Peroxosolvate Structures
AU - Grishanov, Dmitry A.
AU - Navasardyan, Mger A.
AU - Medvedev, Alexander G.
AU - Lev, Ovadia
AU - Prikhodchenko, Petr V.
AU - Churakov, Andrei V.
N1 - Publisher Copyright:
© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
PY - 2017/11/27
Y1 - 2017/11/27
N2 - Peroxosolvates of 2-aminonicotinic acid (I) and lidocaine N-oxide (II) including the largest insular hydrogen peroxide clusters were isolated and their crystal structures were determined by single-crystal X-ray diffraction. An unprecedented dodecameric hydrogen peroxide insular cluster was found in I. An unusual cross-like pentameric cluster was observed in the structure of II. The topology of the (H2O2)12 assembly was never observed for small-molecule clusters. In I and II new double and triple cross-orientational disorders of H2O2 were found. Cluster II is the first example of a peroxosolvate crystal structure containing H2O2 molecules with a homoleptic hydrogen peroxide environment. In II, a hydrogen bond between an H2O2 molecule and a peptide group -CONH⋅⋅⋅O2H2 was observed for the first time.
AB - Peroxosolvates of 2-aminonicotinic acid (I) and lidocaine N-oxide (II) including the largest insular hydrogen peroxide clusters were isolated and their crystal structures were determined by single-crystal X-ray diffraction. An unprecedented dodecameric hydrogen peroxide insular cluster was found in I. An unusual cross-like pentameric cluster was observed in the structure of II. The topology of the (H2O2)12 assembly was never observed for small-molecule clusters. In I and II new double and triple cross-orientational disorders of H2O2 were found. Cluster II is the first example of a peroxosolvate crystal structure containing H2O2 molecules with a homoleptic hydrogen peroxide environment. In II, a hydrogen bond between an H2O2 molecule and a peptide group -CONH⋅⋅⋅O2H2 was observed for the first time.
KW - cluster compounds
KW - hydrogen bonds
KW - hydrogen peroxides
KW - structure elucidation
KW - supramolecular chemistry
UR - http://www.scopus.com/inward/record.url?scp=85031671211&partnerID=8YFLogxK
U2 - 10.1002/anie.201709699
DO - 10.1002/anie.201709699
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C2 - 28991407
AN - SCOPUS:85031671211
SN - 1433-7851
VL - 56
SP - 15241
EP - 15245
JO - Angewandte Chemie - International Edition
JF - Angewandte Chemie - International Edition
IS - 48
ER -