@article {3027, title = {STRUCTURE OF A MIXED-CRYSTAL OF ALPHA-PIPITZOL AND BETA-PIPITZOL (1-1), C15H20O3.C15H20O3}, journal = {Acta Crystallographica Section C-Crystal Structure Communications}, volume = {50}, year = {1994}, note = {ISI Document Delivery No.: MY145Times Cited: 1Cited Reference Count: 8Part 2}, month = {Feb}, pages = {278-281}, type = {Article}, abstract = {The structure of a mixed crystal (1:1, space group PI) of alpha- and beta-pipitzol {[3R-(3alpha,3abeta,7beta,8aalpha)]- and [3R-(3alpha,3aalpha,7alpha,8abeta)]-1,2,3,7,8,8a-hexahydro-5-hydroxy-3,6 ,8,8-tetramethyl-4H-3a,7-methanoazulene-4,9-dione} is described. The two molecules are enantiomeric at three C centres, but have the same (R) configuration at one C atom and are linked into alpha/beta pairs about pseudo centres of symmetry by 0-H...O hydrogen bonds.}, isbn = {0108-2701}, url = {://A1994MY14500050}, author = {Evans, S. V. and Yee, V. C. and Garciagaribay, M. and Trotter, J.} }