data_global _chemical_name_mineral 'Adamantane-methane-hydrate' loop_ _publ_author_name 'Kirchner M T' 'Boese R' 'Billups W E' 'Norman L R' _journal_name_full 'Journal of the American Chemical Society' _journal_volume 126 _journal_year 2004 _journal_page_first 9407 _journal_page_last 9412 _publ_section_title ; Gas hydrate single-crystal structure analyses Sample: C10H16(CH4)5(H2O)34, T = 123 K ; _database_code_amcsd 0019152 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'O34 H100.424 C15.916' _cell_length_a 12.3304 _cell_length_b 12.3304 _cell_length_c 9.9206 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1306.240 _exptl_crystal_density_diffrn 1.063 _symmetry_space_group_name_H-M 'P 6/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,z' 'x,x-y,-z' '-x+y,-x,-z' 'x-y,x,z' '-y,-x,z' 'y,x,-z' 'y,-x+y,-z' '-y,x-y,z' 'x-y,-y,z' '-x+y,y,-z' 'x,y,-z' '-x,-y,z' 'x,x-y,z' '-x,-x+y,-z' 'x-y,x,-z' '-x+y,-x,z' 'y,x,z' '-y,-x,-z' '-y,x-y,-z' 'y,-x+y,z' '-x+y,y,z' 'x-y,-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv O1 0.33333 0.66667 0.13820 1.00000 0.02800 H1 0.33333 0.66667 0.06300 0.50000 0.04200 H2 0.29900 0.59700 0.15900 0.50000 0.04200 O2 0.13016 0.26030 0.00000 1.00000 0.02810 H3 0.05900 0.22300 0.00000 0.50000 0.04200 H4 0.15300 0.30700 0.06300 0.50000 0.04200 O3 0.00000 0.38760 0.35997 1.00000 0.02720 H5 0.00000 0.45200 0.35900 0.50000 0.04100 H6 0.05800 0.39400 0.33300 0.50000 0.04100 H7 0.00000 0.38100 0.44600 0.50000 0.04100 O4 0.20945 0.41890 0.22274 1.00000 0.02790 H8 0.24300 0.48600 0.20400 0.50000 0.04200 H9 0.14800 0.40600 0.26800 0.50000 0.04200 H10 0.18800 0.37600 0.16100 0.50000 0.04200 C1 0.50000 0.50000 0.00000 0.92000 0.04500 H11 0.51980 0.57390 0.05820 0.35000 0.06800 C2 0.33333 0.66667 0.50000 0.87200 0.05800 H12 0.40060 0.73380 0.55640 0.29100 0.08600 C3 0.07140 0.14290 0.50000 0.84000 0.08300 H13 0.11650 0.23310 0.50000 0.84000 0.12500 C4 0.00000 0.00000 0.30100 0.48000 0.09200 C5 0.06190 0.12370 0.36200 0.45100 0.12200 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O1 0.02630 0.02630 0.03100 0.01310 0.00000 0.00000 O2 0.02550 0.02710 0.03220 0.01350 0.00000 0.00000 O3 0.02610 0.02590 0.02980 0.01300 0.00000 -0.00180 O4 0.02580 0.02660 0.03160 0.01330 0.00010 0.00010 C1 0.04900 0.04900 0.04200 0.02700 0.00000 0.00000 C2 0.06300 0.06300 0.04600 0.03170 0.00000 0.00000 C3 0.04800 0.04100 0.15800 0.02040 0.00000 0.00000 C4 0.06000 0.06000 0.16000 0.03000 0.00000 0.00000 C5 0.11500 0.08400 0.15700 0.04200 -0.01800 -0.03700