O- vs. N-protonation of 1-dimethylaminonaphthalene-8-ketones: formation of a peri N–C bond or a hydrogen bond to the pi-electron density of a carbonyl group
Authors of publication
Mercadal, Nerea; Day, Stephen P.; Jarmyn, Andrew; Pitak, Mateusz B.; Coles, Simon J.; Wilson, Claire; Rees, Gregory J.; Hanna, John V.; Wallis, John D.
Journal of publication
CrystEngComm
Year of publication
2014
Journal volume
16
Journal issue
36
Pages of publication
8363
a
7.2319 ± 0.0013 Å
b
8.6574 ± 0.0013 Å
c
19.901 ± 0.003 Å
α
90°
β
90°
γ
90°
Cell volume
1246 ± 0.3 Å3
Cell temperature
294 ± 1 K
Ambient diffraction temperature
294 ± 1 K
Number of distinct elements
5
Space group number
19
Hermann-Mauguin space group symbol
P 21 21 21
Hall space group symbol
P 2ac 2ab
Residual factor for all reflections
0.092
Residual factor for significantly intense reflections
0.0602
Weighted residual factors for significantly intense reflections
0.114
Weighted residual factors for all reflections included in the refinement
0.1298
Goodness-of-fit parameter for all reflections included in the refinement