1,3-Dibromo-2,4,6-trinitrobenzene (DBTNB). Crystal engineering and perfect polar alignment of two-dimensional hyperpolarizable chromophores.
1,3-Dibromo-2,4,6-trinitrobenzene (DBTNB), a two-dimensional charge transfer hyperpolarisable chromophore, crystallizes in the non-centrosymmetric space group C2 in perfect polar order leading to an intense powder SHG signal at 1.06 microns.
School of Chemistry, University of Hyderabad, Hyderabad 500 046, India.
Praveen K
PK
Thallapally
Gautam R
GR
Desiraju
Muriel
M
Bagieu-Beucher
René
R
Masse
Cyril
C
Bourgogne
Jean-François
JF
Nicoud