“…Although few crystallographic examples are reported for Type II(1) rac-trans (9e [62], 21a* [43], 21b* [68], 22a* [69], 22b* [70], 23* [71], 24* [34i]), there are more examples for Type II(1) cis ( 25* [43], 26* [72], 27* [73], 28* [74], 29* [75], 30a* [34i], 30b [76], 31* [77] , 32a* [78], 32b* [79], 32c* [80], 33a [51], 33b-e* [81], 34a* [34j], 34b [34k], 34c[82], 35a,b[83], 36a,b[84], 37* [34e], 38*[85], 39*[86].…”