Pigeonite Merli M, Camara F European Journal of Mineralogy 15 (2003) 903-911 Topological analysis of the electron density of the clinopyroxene structure by the maximum entropy method: an exploratory study Sample: Dien2 Note: c-cell parameter changed by personal communication with author, Dec 2003 Locality: synthetic _database_code_amcsd 0007019 9.651 8.846 5.252 90 108.38 90 P2_1/c atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) MgM1 .25087 .65380 .22285 .00629 .00653 .00510 .00011 .00159 .00059 MgM2 .25460 .01964 .22660 .85 .01058 .01924 .00766 .00418 .00203 .00455 CaM2 .25841 .01087 .20226 .15 .01058 .01924 .00766 .00418 .00203 .00455 SiA .04238 .34128 .28692 .00439 .00466 .00536 -.00038 .00218 -.00052 SiB .55079 .83812 .23265 .00491 .00481 .00547 -.00092 .00206 -.00075 O1A .86656 .33956 .17880 .00447 .00657 .00625 -.00012 .00095 -.00014 O1B .37434 .83961 .12751 .00535 .00832 .00567 -.00047 .00234 -.00077 O2A .12118 .50101 .32222 .00804 .00463 .00796 -.00132 .00253 .00072 O2B .63168 .98528 .38165 .01038 .00754 .01399 -.00322 .00693 -.00454 O3A .10512 .27501 .60186 .00514 .01205 .00830 .00057 .00219 .00593 O3B .60461 .70081 .46414 .00557 .01254 .00884 .00102 .00263 .00384