# Supplementary Material (ESI) for Perkin Transactions # This journal is © The Royal Society of Chemistry 2001 # CCDC Number: 188/288 data_global _journal_coden_Cambridge 188 _publ_requested_journal 'Perkin Trans 2' _publ_contact_author ; Peter G. Jones Institut f\"ur Anorganische und Analytische Chemie Technische Universit\"at Braunschweig Postfach 3329 38023 Braunschweig Germany ; _publ_contact_author_phone '049 531 391-5382' _publ_contact_author_fax '049 531 391-5387' _publ_contact_author_email jones@xray36.anchem.nat.tu-bs.de _publ_requested_journal 'J. Chem. Soc., Perkin Trans. 2' #============================================================================== # 3. TITLE AND AUTHOR LIST _publ_section_title ; The unusual molecular organisation of 2,3-di-n-hexyloxyanthracene in the crystal. A hint to the origin of the gelifying properties of 2,3-di-n-alkyloxyanthracenes? ; loop_ _publ_author_name _publ_author_address 'Pozzo, Jean-Luc' ; Universit\'e Bordeaux 1 CNRS UMR 5802 Photochimie Organique 33405 Talence France ; 'Desvergne, Jean-Pierre' ; Universit\'e Bordeaux 1 CNRS UMR 5802 Photochimie Organique 33405 Talence France ; 'Clavier, Gilles M.' ; Universit\'e Bordeaux 1 CNRS UMR 5802 Photochimie Organique 33405 Talence France ; 'Bouas-Laurent, Henri' ; Universit\'e Bordeaux 1 CNRS UMR 5802 Photochimie Organique 33405 Talence France ; 'Jones, Peter G.' ; Institut f\"ur Anorganische und Analytische Chemie Technische Universit\"at Braunschweig Postfach 3329 38023 Braunschweig Germany ; 'Perlstein, Jerry' ; Centre for Photoinduced Charge Transfer Dept. of Chemistry University of Rochester Rochester New York 14627 U.S.A. ; #============================================================================= # cif data for "from" #============================================================================= data_from _audit_creation_method SHELXL _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_formula_moiety ? _chemical_formula_structural ? _chemical_formula_analytical ? _chemical_formula_sum 'C26 H34 O2' _chemical_formula_weight 378.53 _chemical_melting_point ? _chemical_compound_source ? loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source 'C' 'C' 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 'H' 'H' 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 'O' 'O' 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting trigonal _symmetry_space_group_name_H-M 'R -3' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-y, x-y, z' '-x+y, -x, z' 'x+2/3, y+1/3, z+1/3' '-y+2/3, x-y+1/3, z+1/3' '-x+y+2/3, -x+1/3, z+1/3' 'x+1/3, y+2/3, z+2/3' '-y+1/3, x-y+2/3, z+2/3' '-x+y+1/3, -x+2/3, z+2/3' '-x, -y, -z' 'y, -x+y, -z' 'x-y, x, -z' '-x+2/3, -y+1/3, -z+1/3' 'y+2/3, -x+y+1/3, -z+1/3' 'x-y+2/3, x+1/3, -z+1/3' '-x+1/3, -y+2/3, -z+2/3' 'y+1/3, -x+y+2/3, -z+2/3' 'x-y+1/3, x+2/3, -z+2/3' _cell_length_a 14.639(2) _cell_length_b 14.639(2) _cell_length_c 54.435(7) _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 120.00 _cell_volume 10102.6(23) _cell_formula_units_Z 18 _cell_measurement_temperature 173(2) _cell_measurement_reflns_used 63 _cell_measurement_theta_min 4.5 _cell_measurement_theta_max 11.5 _exptl_crystal_description 'hexagonal tablet' _exptl_crystal_colour colourless _exptl_crystal_size_max 0.55 _exptl_crystal_size_mid 0.50 _exptl_crystal_size_min 0.20 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.120 _exptl_crystal_density_method ? _exptl_crystal_F_000 3708 _exptl_absorpt_coefficient_mu 0.069 _exptl_absorpt_correction_type none _exptl_absorpt_correction_T_min ? _exptl_absorpt_correction_T_max ? _exptl_special_details ; ? ; _diffrn_ambient_temperature 173(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_monochromator graphite _diffrn_measurement_device 'Siemens P4' _diffrn_measurement_method \w-scans _diffrn_standards_number 3 _diffrn_standards_interval_count 247 _diffrn_standards_interval_time ? _diffrn_standards_decay_% 0 _diffrn_reflns_number 6265 _diffrn_reflns_av_R_equivalents 0.0278 _diffrn_reflns_av_sigmaI/netI 0.0664 _diffrn_reflns_limit_h_min -15 _diffrn_reflns_limit_h_max 17 _diffrn_reflns_limit_k_min -17 _diffrn_reflns_limit_k_max 0 _diffrn_reflns_limit_l_min -64 _diffrn_reflns_limit_l_max 0 _diffrn_reflns_theta_min 3.00 _diffrn_reflns_theta_max 25.00 _reflns_number_total 3968 _reflns_number_observed 2093 _reflns_observed_criterion >2sigma(I) _computing_data_collection 'Siemens XSCANS' _computing_cell_refinement 'Siemens XSCANS' _computing_data_reduction 'Siemens XSCANS' _computing_structure_solution 'SHELXS-86 (Sheldrick, 1990)' _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_molecular_graphics 'Siemens XP' _computing_publication_material SHELXL-93 _refine_special_details ; Refinement of F^2^ against ALL reflections. Weighted R-factors wR and all goodnesses of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The observed criterion of F^2^ > 2sigma(F^2^) is used only for calculating _R_factor_obs etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme 'calc w=1/[\s^2^(Fo^2^)+(0.0412P)^2^] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment 'rigid methyls, others riding' _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 3968 _refine_ls_number_parameters 255 _refine_ls_number_restraints 248 _refine_ls_R_factor_all 0.0952 _refine_ls_R_factor_obs 0.0413 _refine_ls_wR_factor_all 0.0946 _refine_ls_wR_factor_obs 0.0821 _refine_ls_goodness_of_fit_all 0.832 _refine_ls_goodness_of_fit_obs 1.024 _refine_ls_restrained_S_all 0.807 _refine_ls_restrained_S_obs 0.965 _refine_ls_shift/esd_max 0.001 _refine_ls_shift/esd_mean 0.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_group C1 C 0.67439(14) 0.18040(13) 0.52236(3) 0.0315(4) Uani 1 d U . H1 H 0.6040 0.1675 0.5225 0.038 Uiso 1 calc R . C2 C 0.71824(13) 0.17527(12) 0.50091(3) 0.0288(4) Uani 1 d U . C3 C 0.82752(13) 0.20038(12) 0.50026(3) 0.0289(4) Uani 1 d U . C4 C 0.88807(14) 0.23338(12) 0.52071(3) 0.0310(4) Uani 1 d U . H4 H 0.9612 0.2564 0.5197 0.037 Uiso 1 calc R . C4A C 0.84201(13) 0.23374(13) 0.54405(3) 0.0298(4) Uani 1 d U . C5 C 0.90524(17) 0.25853(15) 0.61144(4) 0.0467(5) Uani 1 d U . H5 H 0.9780 0.2794 0.6112 0.056 Uiso 1 calc R . C6 C 0.85471(19) 0.24354(16) 0.63348(4) 0.0554(6) Uani 1 d U . H6 H 0.8922 0.2527 0.6484 0.066 Uiso 1 calc R . C7 C 0.74713(18) 0.21449(16) 0.63422(4) 0.0535(6) Uani 1 d U . H7 H 0.7130 0.2050 0.6496 0.064 Uiso 1 calc R . C8 C 0.69185(17) 0.20001(15) 0.61307(3) 0.0471(5) Uani 1 d U . H8 H 0.6196 0.1808 0.6139 0.057 Uiso 1 calc R . C8A C 0.74090(15) 0.21329(14) 0.58971(3) 0.0367(5) Uani 1 d U . C9 C 0.68584(14) 0.19737(13) 0.56760(3) 0.0357(5) Uani 1 d U . H9 H 0.6143 0.1809 0.5681 0.043 Uiso 1 calc R . C9A C 0.73293(14) 0.20501(13) 0.54487(3) 0.0311(4) Uani 1 d U . C10 C 0.89837(14) 0.25455(13) 0.56595(3) 0.0366(5) Uani 1 d U . H10 H 0.9715 0.2770 0.5653 0.044 Uiso 1 calc R . C10A C 0.85008(15) 0.24326(14) 0.58885(3) 0.0368(5) Uani 1 d U . O1 O 0.67043(9) 0.14673(9) 0.47853(2) 0.0350(3) Uani 1 d U . O2 O 0.85726(8) 0.18315(9) 0.47764(2) 0.0345(3) Uani 1 d U . C11 C 0.56497(14) 0.12853(16) 0.47636(3) 0.0425(5) Uani 1 d U . H11A H 0.5651 0.1961 0.4773 0.051 Uiso 1 calc R . H11B H 0.5204 0.0822 0.4898 0.051 Uiso 1 calc R . C12 C 0.52270(14) 0.07635(15) 0.45174(3) 0.0446(5) Uani 1 d U . H12A H 0.5234 0.0091 0.4513 0.053 Uiso 1 calc R . H12B H 0.4483 0.0590 0.4504 0.053 Uiso 1 calc R . C13 C 0.58218(16) 0.14108(15) 0.42966(3) 0.0488(6) Uani 1 d U . H13A H 0.6562 0.1569 0.4306 0.059 Uiso 1 calc R . H13B H 0.5827 0.2090 0.4301 0.059 Uiso 1 calc R . C14 C 0.53512(16) 0.08619(16) 0.40555(3) 0.0499(5) Uani 1 d U . H14A H 0.5328 0.0175 0.4055 0.060 Uiso 1 calc R . H14B H 0.4614 0.0715 0.4046 0.060 Uiso 1 calc R . C15 C 0.59273(19) 0.14625(19) 0.38277(4) 0.0694(7) Uani 1 d U . H15A H 0.5968 0.2158 0.3829 0.083 Uiso 1 calc R . H15B H 0.6658 0.1589 0.3833 0.083 Uiso 1 calc R . C16 C 0.5422(2) 0.0910(2) 0.35913(4) 0.0938(9) Uani 1 d U . H16A H 0.5421 0.0241 0.3583 0.113 Uiso 1 calc R . H16B H 0.5821 0.1358 0.3452 0.113 Uiso 1 calc R . H16C H 0.4695 0.0772 0.3585 0.113 Uiso 1 calc R . C17 C 0.96238(13) 0.19948(14) 0.47535(3) 0.0349(5) Uani 1 d U . H17A H 0.9782 0.1661 0.4893 0.042 Uiso 1 calc R . H17B H 1.0147 0.2759 0.4754 0.042 Uiso 1 calc R . C18 C 0.96732(14) 0.15028(14) 0.45148(3) 0.0373(5) Uani 1 d U . H18A H 0.9135 0.0744 0.4519 0.045 Uiso 1 calc R . H18B H 1.0373 0.1556 0.4502 0.045 Uiso 1 calc R . C19 C 0.94967(14) 0.19915(14) 0.42859(3) 0.0371(5) Uani 1 d U . H19A H 0.8803 0.1952 0.4298 0.045 Uiso 1 calc R . H19B H 1.0046 0.2746 0.4278 0.045 Uiso 1 calc R . C20 C 0.95290(15) 0.14465(15) 0.40510(3) 0.0439(5) Uani 1 d U . H20A H 1.0225 0.1490 0.4039 0.053 Uiso 1 calc R . H20B H 0.8985 0.0691 0.4061 0.053 Uiso 1 calc R . C21 C 0.93480(17) 0.19018(17) 0.38191(4) 0.0525(6) Uani 1 d U . H21A H 0.9914 0.2647 0.3803 0.063 Uiso 1 calc R . H21B H 0.8668 0.1891 0.3833 0.063 Uiso 1 calc R . C22 C 0.9330(2) 0.12998(19) 0.35890(4) 0.0760(8) Uani 1 d U . H22A H 1.0005 0.1318 0.3573 0.091 Uiso 1 calc R . H22B H 0.9215 0.1629 0.3444 0.091 Uiso 1 calc R . H22C H 0.8758 0.0566 0.3602 0.091 Uiso 1 calc R . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 C1 0.0269(10) 0.0302(10) 0.0388(11) 0.0005(9) 0.0010(9) 0.0153(9) C2 0.0257(9) 0.0244(10) 0.0344(11) 0.0027(8) -0.0015(8) 0.0112(8) C3 0.0282(10) 0.0233(9) 0.0330(10) 0.0038(8) 0.0044(8) 0.0114(8) C4 0.0230(10) 0.0266(10) 0.0399(11) 0.0034(8) -0.0007(8) 0.0098(8) C4A 0.0302(10) 0.0217(9) 0.0350(11) 0.0007(8) -0.0015(9) 0.0110(8) C5 0.0539(13) 0.0425(12) 0.0426(13) -0.0054(10) -0.0110(10) 0.0232(11) C6 0.0773(17) 0.0514(14) 0.0374(13) -0.0070(11) -0.0101(12) 0.0322(13) C7 0.0747(16) 0.0507(13) 0.0369(13) -0.0026(11) 0.0040(11) 0.0328(13) C8 0.0580(14) 0.0433(12) 0.0409(13) -0.0040(10) 0.0056(11) 0.0260(11) C8A 0.0459(12) 0.0282(10) 0.0382(12) -0.0031(9) -0.0006(10) 0.0202(10) C9 0.0354(11) 0.0296(10) 0.0433(12) -0.0017(9) 0.0021(9) 0.0172(9) C9A 0.0362(10) 0.0241(10) 0.0338(11) 0.0003(8) 0.0008(9) 0.0157(9) C10 0.0337(11) 0.0263(10) 0.0453(12) -0.0024(9) -0.0045(9) 0.0117(9) C10A 0.0475(12) 0.0280(10) 0.0343(11) -0.0034(9) -0.0042(10) 0.0185(10) O1 0.0253(7) 0.0449(8) 0.0360(7) -0.0019(6) -0.0028(6) 0.0183(6) O2 0.0243(7) 0.0427(8) 0.0352(7) 0.0000(6) 0.0012(6) 0.0157(6) C11 0.0298(11) 0.0569(13) 0.0465(12) -0.0026(10) -0.0026(9) 0.0259(10) C12 0.0299(11) 0.0556(13) 0.0486(12) -0.0008(10) -0.0064(9) 0.0217(10) C13 0.0482(13) 0.0477(13) 0.0530(13) 0.0008(11) -0.0013(11) 0.0258(11) C14 0.0481(13) 0.0655(15) 0.0426(12) 0.0002(11) -0.0010(11) 0.0332(12) C15 0.0784(18) 0.0732(17) 0.0649(16) 0.0143(14) 0.0143(14) 0.0441(15) C16 0.122(3) 0.141(3) 0.0434(14) 0.0148(17) 0.0160(16) 0.084(2) C17 0.0251(10) 0.0392(11) 0.0410(12) 0.0009(9) 0.0000(8) 0.0166(9) C18 0.0333(11) 0.0372(11) 0.0462(12) -0.0021(9) 0.0010(9) 0.0213(9) C19 0.0358(11) 0.0357(11) 0.0424(12) -0.0016(9) 0.0033(9) 0.0199(9) C20 0.0451(12) 0.0465(13) 0.0446(12) -0.0027(10) 0.0053(10) 0.0262(11) C21 0.0609(14) 0.0574(14) 0.0415(13) 0.0005(11) 0.0059(11) 0.0312(12) C22 0.098(2) 0.093(2) 0.0426(14) -0.0010(14) 0.0088(14) 0.0515(17) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag C1 C2 1.3523(23) . ? C1 C9A 1.4340(23) . ? C2 O1 1.3624(19) . ? C2 C3 1.4518(22) . ? C3 C4 1.3528(23) . ? C3 O2 1.3706(19) . ? C4 C4A 1.4396(23) . ? C4A C10 1.3942(23) . ? C4A C9A 1.4342(23) . ? C5 C6 1.3681(26) . ? C5 C10A 1.4261(24) . ? C6 C7 1.4118(29) . ? C7 C8 1.3612(25) . ? C8 C8A 1.4253(24) . ? C8A C9 1.4015(24) . ? C8A C10A 1.4311(25) . ? C9 C9A 1.3937(23) . ? C10 C10A 1.4016(24) . ? O1 C11 1.4343(20) . ? O2 C17 1.4398(19) . ? C11 C12 1.5134(24) . ? C12 C13 1.5084(24) . ? C13 C14 1.5131(24) . ? C14 C15 1.5098(26) . ? C15 C16 1.5030(29) . ? C17 C18 1.5048(23) . ? C18 C19 1.5218(23) . ? C19 C20 1.5204(23) . ? C20 C21 1.5114(25) . ? C21 C22 1.5241(26) . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C2 C1 C9A 120.73(16) . . ? C1 C2 O1 127.14(16) . . ? C1 C2 C3 120.04(17) . . ? O1 C2 C3 112.81(15) . . ? C4 C3 O2 126.37(16) . . ? C4 C3 C2 120.84(17) . . ? O2 C3 C2 112.75(15) . . ? C3 C4 C4A 120.20(17) . . ? C10 C4A C9A 119.21(17) . . ? C10 C4A C4 121.90(17) . . ? C9A C4A C4 118.77(16) . . ? C6 C5 C10A 120.8(2) . . ? C5 C6 C7 120.4(2) . . ? C8 C7 C6 120.6(2) . . ? C7 C8 C8A 120.9(2) . . ? C9 C8A C8 122.34(18) . . ? C9 C8A C10A 118.97(18) . . ? C8 C8A C10A 118.69(18) . . ? C9A C9 C8A 121.93(17) . . ? C9 C9A C1 121.94(17) . . ? C9 C9A C4A 118.99(17) . . ? C1 C9A C4A 119.01(16) . . ? C4A C10 C10A 121.76(18) . . ? C10 C10A C5 122.40(19) . . ? C10 C10A C8A 119.03(18) . . ? C5 C10A C8A 118.56(19) . . ? C2 O1 C11 118.08(13) . . ? C3 O2 C17 117.32(13) . . ? O1 C11 C12 107.29(14) . . ? C13 C12 C11 115.26(16) . . ? C12 C13 C14 113.02(17) . . ? C15 C14 C13 115.44(19) . . ? C16 C15 C14 114.1(2) . . ? O2 C17 C18 107.37(14) . . ? C17 C18 C19 114.96(15) . . ? C20 C19 C18 112.63(15) . . ? C21 C20 C19 114.38(16) . . ? C20 C21 C22 112.80(18) . . ? loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion _geom_torsion_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion_publ_flag C9A C1 C2 O1 175.70(15) . . . . ? C9A C1 C2 C3 -3.3(3) . . . . ? C1 C2 C3 C4 -2.8(2) . . . . ? O1 C2 C3 C4 178.00(15) . . . . ? C1 C2 C3 O2 175.02(15) . . . . ? O1 C2 C3 O2 -4.16(19) . . . . ? O2 C3 C4 C4A -171.12(15) . . . . ? C2 C3 C4 C4A 6.4(3) . . . . ? C3 C4 C4A C10 171.91(16) . . . . ? C3 C4 C4A C9A -3.9(3) . . . . ? C10A C5 C6 C7 -1.2(3) . . . . ? C5 C6 C7 C8 0.6(3) . . . . ? C6 C7 C8 C8A 0.3(3) . . . . ? C7 C8 C8A C9 178.97(19) . . . . ? C7 C8 C8A C10A -0.6(3) . . . . ? C8 C8A C9 C9A -176.49(18) . . . . ? C10A C8A C9 C9A 3.1(3) . . . . ? C8A C9 C9A C1 174.85(17) . . . . ? C8A C9 C9A C4A -2.3(3) . . . . ? C2 C1 C9A C9 -171.44(17) . . . . ? C2 C1 C9A C4A 5.7(2) . . . . ? C10 C4A C9A C9 -0.8(2) . . . . ? C4 C4A C9A C9 175.12(16) . . . . ? C10 C4A C9A C1 -178.03(15) . . . . ? C4 C4A C9A C1 -2.1(2) . . . . ? C9A C4A C10 C10A 3.1(3) . . . . ? C4 C4A C10 C10A -172.68(17) . . . . ? C4A C10 C10A C5 176.41(17) . . . . ? C4A C10 C10A C8A -2.3(3) . . . . ? C6 C5 C10A C10 -177.9(2) . . . . ? C6 C5 C10A C8A 0.9(3) . . . . ? C9 C8A C10A C10 -0.8(3) . . . . ? C8 C8A C10A C10 178.82(17) . . . . ? C9 C8A C10A C5 -179.54(16) . . . . ? C8 C8A C10A C5 0.0(3) . . . . ? C1 C2 O1 C11 6.0(3) . . . . ? C3 C2 O1 C11 -174.90(15) . . . . ? C4 C3 O2 C17 1.4(2) . . . . ? C2 C3 O2 C17 -176.34(14) . . . . ? C2 O1 C11 C12 -168.20(14) . . . . ? O1 C11 C12 C13 -61.8(2) . . . . ? C11 C12 C13 C14 -178.70(18) . . . . ? C12 C13 C14 C15 -178.75(17) . . . . ? C13 C14 C15 C16 -178.3(2) . . . . ? C3 O2 C17 C18 165.88(14) . . . . ? O2 C17 C18 C19 62.80(19) . . . . ? C17 C18 C19 C20 -178.61(15) . . . . ? C18 C19 C20 C21 179.51(17) . . . . ? C19 C20 C21 C22 -177.05(17) . . . . ? _refine_diff_density_max 0.154 _refine_diff_density_min -0.150 _refin1e_diff_density_rms 0.030 #============================================================================= # end of cif file #=============================================================================