@article {3388, title = {ALPHA-POLYMORPHS AND GAMMA-POLYMORPHS OF DIMETHYL 9-CHLOROMETHYL-9,10-DIHYDRO-9,10-ETHENOANTHRACENE-11,12-DICARBOXYLATE}, journal = {Acta Crystallographica Section C-Crystal Structure Communications}, volume = {51}, year = {1995}, note = {ISI Document Delivery No.: TH717Times Cited: 0Cited Reference Count: 5Part 11}, month = {Nov}, pages = {2392-2395}, type = {Article}, abstract = {Two further polymorphic forms (alpha = P2(1) and gamma = P2(1)/c) of the title compound (C21H17ClO4) have been obtained and their crystal structures determined. The molecular geometries and photochemical behaviour are very similar to those of the previously described beta-form reported in the P2(1)/c space group [Chen, PoMtuluri, Scheffer \& Trotter (1993). Acta Cryst. B49, 905-909].}, keywords = {PHOTOCHEMISTRY}, isbn = {0108-2701}, url = {://A1995TH71700079}, author = {Jones, R. and Rettig, S. J. and Trotter, J.} }