Propane-ethanol-methane-hydrate Kirchner M T, Boese R, Billups W E, Norman L R Journal of the American Chemical Society 126 (2004) 9407-9412 Gas hydrate single-crystal structure analyses Sample: (C3H8)8(CH4)14.9(H2O)136, T = 163 K Locality: synthetic _database_code_amcsd 0019154 17.1925 17.1925 17.1925 90 90 90 Fd-3m atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) O1 .375 .375 .375 .0359 .0359 .0359 .0359 0 0 0 H1 .3486 .3486 .3486 .50 .054 O2 .28272 .28272 .28272 .0370 .0370 .0370 .0370 .0011 .0011 .0011 H2 .3171 .3171 .3171 .50 .056 H3 .2919 .2919 .2409 .50 .056 O3 .31760 .31760 .12957 .0366 .0361 .0361 .0376 .0029 -.0006 -.0006 H4 .3064 .3064 .179 .50 .055 H5 .3339 .2815 .1081 .50 .055 H6 .3514 .3514 .1293 .50 .055 C1 .1681 .1681 .1681 .62 .31 .31 .31 .31 -.07 -.07 -.07 C2 .0797 .0797 .0797 .44 .27 .27 .27 .27 -.09 -.09 -.09 C3 .125 .125 .125 .86 .18 .18 .18 .18 0 0 0 C4 .25 .25 .5 .925 .0544 .0544 .0544 .0544 -.0042 .0042 .0042 H11 .2168 .2168 .5332 .44 .050 H12 .1973 .2326 .480 .260 .050