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
9.37 ± 0.02 Å
b
9.34 ± 0.02 Å
c
15.72 ± 0.04 Å
α
90°
β
90°
γ
90°
Cell volume
1376 ± 5 Å3
Cell temperature
100 ± 2 K
Ambient diffraction temperature
100 ± 2 K
Number of distinct elements
4
Space group number
33
Hermann-Mauguin space group symbol
P n a 21
Hall space group symbol
P 2c -2n
Residual factor for all reflections
0.0492
Residual factor for significantly intense reflections
0.0476
Weighted residual factors for significantly intense reflections
0.1335
Weighted residual factors for all reflections included in the refinement
0.1347
Goodness-of-fit parameter for all reflections included in the refinement