#------------------------------------------------------------------------------ #$Date: 2021-03-05 20:42:29 +0200 (Fri, 05 Mar 2021) $ #$Revision: 262769 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/02/23/2022314.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2022314 loop_ _publ_author_name 'Lifa, Said' 'Trifa, Chahrazed' 'Bouacida, Sofiane' 'Boudaren, Chaouki' 'Merazig, Hocine' _publ_section_title ; Alkali and alkaline earth coordination polymers constructed from benzene-1,2,4,5-tetracarboxylic acid and flexible dicarboxylate acid ligands: syntheses, structures and spectroscopic and thermal properties ; _journal_coeditor_code OC3008 _journal_issue 2 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 90 _journal_page_last 99 _journal_paper_doi 10.1107/S2053229621000085 _journal_volume 77 _journal_year 2021 _chemical_formula_iupac '[Sr2 (C2 O4) (C10 H4 O8) (H2 O)2]' _chemical_formula_moiety 'C12 H8 O14 Sr2' _chemical_formula_sum 'C12 H8 O14 Sr2' _chemical_formula_weight 551.42 _chemical_name_systematic Poly[aqua(\m~8~-2,5-dicarboxybenzene-1,4-dicarboxylato-\k^12^O^1^:O^1'^,O^2^:O^2^,O^2'^:O^2'^:O^4^:O^4'^,O^5^:O^5^,O^5'^:O^5'^)strontium(II)] _space_group_IT_number 2 _space_group_name_Hall '-P 1' _space_group_name_H-M_alt 'P -1' _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _atom_sites_solution_hydrogens mixed _atom_sites_solution_primary direct _atom_sites_solution_secondary direct _audit_conform_dict_name cif_core.dic _audit_conform_dict_version 2.3 _audit_creation_method 'WinGX routine CIF_UPDATE' _cell_angle_alpha 99.938(7) _cell_angle_beta 107.918(6) _cell_angle_gamma 101.824(6) _cell_formula_units_Z 1 _cell_length_a 7.0691(11) _cell_length_b 7.8482(12) _cell_length_c 7.9767(12) _cell_measurement_reflns_used 9963 _cell_measurement_temperature 295(2) _cell_measurement_theta_max 36.05 _cell_measurement_theta_min 3.37 _cell_volume 398.74(11) _computing_cell_refinement ; APEX2 (Bruker, 2011) ; _computing_data_collection ; APEX2 (Bruker, 2011) ; _computing_data_reduction ; APEX2 (Bruker, 2011) ; _computing_molecular_graphics ; ORTEP-3 for Windows (Farrugia, 2012) ; _computing_publication_material ; WinGX (Farrugia, 2012) ; _computing_structure_refinement ; SHELXL2014 (Sheldrick, 2015) ; _computing_structure_solution ; SHELXS86 (Sheldrick, 2002) ; _diffrn_ambient_temperature 295(2) _diffrn_detector 'CCD plate' _diffrn_measured_fraction_theta_full 0.991 _diffrn_measured_fraction_theta_max 0.989 _diffrn_measurement_device_type 'Bruker APEXII' _diffrn_measurement_method 'CCD rotation images, thick slices' _diffrn_radiation_probe x-ray _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.015 _diffrn_reflns_av_unetI/netI 0.0259 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_k_max 12 _diffrn_reflns_limit_k_min -10 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_limit_l_min -10 _diffrn_reflns_number 10965 _diffrn_reflns_reduction_process ; Scaled and merged with Sortav R.H. Blessing, (1987) Cryst. Rev. 1, 3-58 R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397 ; _diffrn_reflns_theta_full 25.242 _diffrn_reflns_theta_max 36.048 _diffrn_reflns_theta_min 4.886 _diffrn_source 'Enraf--Nonius FR590' _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 6.771 _exptl_absorpt_correction_T_max 0.7471 _exptl_absorpt_correction_T_min 0.5813 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details ; (SADABS; Sheldrick, 2002) ; _exptl_crystal_colour Colorless _exptl_crystal_density_diffrn 2.296 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Prism _exptl_crystal_F_000 268 _exptl_crystal_size_max 0.23 _exptl_crystal_size_mid 0.19 _exptl_crystal_size_min 0.11 _refine_diff_density_max 0.584 _refine_diff_density_min -0.386 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.057 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_constraints 0 _refine_ls_number_parameters 136 _refine_ls_number_reflns 3740 _refine_ls_number_restraints 3 _refine_ls_restrained_S_all 1.057 _refine_ls_R_factor_all 0.0142 _refine_ls_R_factor_gt 0.0134 _refine_ls_shift/su_max 0.003 _refine_ls_shift/su_mean 0 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+0.0825P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0341 _refine_ls_wR_factor_ref 0.0343 _reflns_number_gt 3618 _reflns_number_total 3740 _reflns_threshold_expression 'I > 2\s(I)' _iucr_refine_instructions_details ; shelx.res created by SHELXL-2014/7 TITL TRIFA_S178P_0m_a.res in P-1 CELL 0.71073 7.0691 7.8482 7.9767 99.938 107.918 101.824 ZERR 2.00 0.0011 0.0012 0.0012 0.007 0.006 0.006 LATT 1 SFAC C H O SR UNIT 12 8 14 2 MERG 3 OMIT -2 0 1 OMIT 0 -1 1 OMIT 0 0 1 OMIT 1 0 0 OMIT -1 1 0 OMIT -1 -1 1 OMIT 1 1 0 OMIT -1 0 1 OMIT 1 -1 1 OMIT 0 1 0 OMIT 0 1 1 DFIX 0.850 0.020 O1W H1W DFIX 0.850 0.020 O1W H2W DFIX 1.450 0.020 H2W H1W FMAP 2 PLAN 25 ACTA BOND $H CONF LIST 4 L.S. 10 TEMP 23.00 WGHT 0.000000 0.082500 FVAR 0.30444 SR1 4 0.832510 0.148268 0.631901 11.00000 0.00662 0.00655 = 0.00545 0.00092 0.00138 0.00224 O1W 3 0.764427 -0.104232 0.777539 11.00000 0.01502 0.01719 = 0.02036 0.01225 -0.00067 0.00017 AFIX 2 H1W 2 0.839190 -0.146511 0.856641 11.00000 -1.50000 H2W 2 0.640614 -0.167064 0.734888 11.00000 -1.50000 AFIX 0 O1 3 0.474639 0.130747 0.634084 11.00000 0.00975 0.01360 = 0.01230 -0.00176 0.00543 0.00336 O4 3 0.676130 0.313000 1.387044 11.00000 0.01730 0.00990 = 0.00956 0.00492 -0.00012 0.00085 O2 3 0.171584 0.072971 0.669834 11.00000 0.00706 0.00990 = 0.01030 -0.00049 0.00204 0.00033 O3 3 0.826219 0.610422 1.483122 11.00000 0.02094 0.00907 = 0.00550 0.00082 -0.00186 0.00246 O6 3 1.011198 0.278087 0.987715 11.00000 0.02103 0.00874 = 0.00812 0.00126 0.00131 0.00614 C5 1 0.705832 0.463509 1.358952 11.00000 0.01032 0.00931 = 0.00555 0.00222 0.00117 0.00283 C3 1 0.528847 0.336772 1.029904 11.00000 0.01008 0.00647 = 0.00603 0.00123 0.00104 0.00232 AFIX 43 H3 2 0.549468 0.227936 1.051042 11.00000 -1.20000 AFIX 0 C4 1 0.603114 0.489557 1.175557 11.00000 0.00867 0.00727 = 0.00503 0.00144 0.00111 0.00219 C2 1 0.424550 0.344694 0.853752 11.00000 0.00715 0.00661 = 0.00492 0.00084 0.00135 0.00169 C6 1 1.026165 0.435476 1.062040 11.00000 0.00936 0.00864 = 0.00584 0.00221 0.00109 0.00278 C1 1 0.350697 0.171327 0.706805 11.00000 0.00763 0.00712 = 0.00555 0.00083 0.00124 0.00268 O5 3 1.080199 0.504865 1.231302 11.00000 0.01880 0.01057 = 0.00464 0.00158 0.00135 0.00406 H33 2 0.866224 0.586079 1.589651 11.00000 -1.50000 HKLF 4 REM TRIFA_S178P_0m_a.res in P-1 REM R1 = 0.0134 for 3618 Fo > 4sig(Fo) and 0.0142 for all 3740 data REM 136 parameters refined using 3 restraints END WGHT 0.0000 0.0827 REM Highest difference peak 0.584, deepest hole -0.386, 1-sigma level 0.083 Q1 1 0.4085 0.4251 0.8340 11.00000 0.05 0.58 Q2 1 0.3886 0.2560 0.7823 11.00000 0.05 0.56 Q3 1 0.5684 0.4194 1.1003 11.00000 0.05 0.56 Q4 1 0.6660 0.4805 1.2763 11.00000 0.05 0.54 Q5 1 0.4710 0.3443 0.9396 11.00000 0.05 0.51 Q6 1 0.6742 0.3808 1.3656 11.00000 0.05 0.49 Q7 1 1.0000 0.5000 1.0000 10.50000 0.05 0.45 Q8 1 1.0511 0.4624 1.1476 11.00000 0.05 0.44 Q9 1 0.7653 0.5352 1.4247 11.00000 0.05 0.44 Q10 1 1.0211 0.3601 1.0246 11.00000 0.05 0.41 Q11 1 0.7419 0.5939 1.4817 11.00000 0.05 0.39 Q12 1 0.4051 0.1486 0.6699 11.00000 0.05 0.39 Q13 1 0.2578 0.1186 0.6823 11.00000 0.05 0.35 Q14 1 0.8059 0.0832 0.5591 11.00000 0.05 0.32 Q15 1 0.1433 -0.0030 0.6074 11.00000 0.05 0.31 Q16 1 0.6518 0.2772 1.3307 11.00000 0.05 0.29 Q17 1 0.4289 0.0646 0.5747 11.00000 0.05 0.29 Q18 1 0.8814 0.1230 0.7592 11.00000 0.05 0.27 Q19 1 0.9608 0.2830 0.8921 11.00000 0.05 0.26 Q20 1 0.4739 0.0351 0.5071 11.00000 0.05 0.23 Q21 1 1.0516 0.5596 1.2374 11.00000 0.05 0.22 Q22 1 0.9662 0.4092 1.1637 11.00000 0.05 0.21 Q23 1 0.8561 0.2149 0.7043 11.00000 0.05 0.21 Q24 1 0.4575 -0.0358 0.5759 11.00000 0.05 0.21 Q25 1 0.7677 0.1624 0.4930 11.00000 0.05 0.21 ; _cod_data_source_file oc3008sup1.cif _cod_data_source_block Sr _cod_depositor_comments 'Adding full bibliography for 2022313--2022314.cif.' _cod_database_code 2022314 _cod_database_fobs_code 2022314 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' loop_ _atom_site_type_symbol _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group Sr Sr1 0.83251(2) 0.14827(2) 0.63190(2) 0.00640(2) Uani d 1 . . O O1W 0.76443(11) -0.10423(10) 0.77754(10) 0.01890(13) Uani d 1 . . H H1W 0.839(2) -0.147(2) 0.857(2) 0.028 Uiso d 1 . . H H2W 0.6406(19) -0.167(2) 0.735(2) 0.028 Uiso d 1 . . O O1 0.47464(9) 0.13075(9) 0.63408(8) 0.01216(10) Uani d 1 . . O O4 0.67613(10) 0.31300(9) 1.38704(8) 0.01358(10) Uani d 1 . . O O2 0.17158(8) 0.07297(8) 0.66983(8) 0.01006(9) Uani d 1 . . O O3 0.82622(10) 0.61042(8) 1.48312(8) 0.01383(11) Uani d 1 . . O O6 1.01120(10) 0.27809(8) 0.98772(8) 0.01337(10) Uani d 1 . . C C5 0.70583(11) 0.46351(10) 1.35895(10) 0.00873(11) Uani d 1 . . C C3 0.52885(11) 0.33677(10) 1.02990(10) 0.00801(11) Uani d 1 . . H H3 0.5495 0.2279 1.051 0.01 Uiso calc 1 . . C C4 0.60311(10) 0.48956(10) 1.17556(9) 0.00733(10) Uani d 1 . . C C2 0.42455(10) 0.34469(9) 0.85375(9) 0.00654(10) Uani d 1 . . C C6 1.02617(11) 0.43548(10) 1.06204(10) 0.00824(11) Uani d 1 . . C C1 0.35070(10) 0.17133(10) 0.70680(9) 0.00703(10) Uani d 1 . . O O5 1.08020(10) 0.50487(8) 1.23130(8) 0.01207(10) Uani d 1 . . H H33 0.866(2) 0.586(2) 1.590(2) 0.018 Uiso d 1 . . 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 Sr1 0.00662(3) 0.00655(3) 0.00545(3) 0.00224(2) 0.00138(2) 0.00092(2) O1W 0.0150(3) 0.0172(3) 0.0204(3) 0.0002(2) -0.0007(2) 0.0123(2) O1 0.0097(2) 0.0136(2) 0.0123(2) 0.00336(18) 0.00543(18) -0.0018(2) O4 0.0173(2) 0.0099(2) 0.0096(2) 0.00085(19) -0.00012(19) 0.00492(19) O2 0.00706(19) 0.0099(2) 0.0103(2) 0.00033(16) 0.00204(16) -0.00049(18) O3 0.0209(3) 0.0091(2) 0.0055(2) 0.0025(2) -0.00186(19) 0.00082(18) O6 0.0210(3) 0.0087(2) 0.0081(2) 0.0061(2) 0.00131(19) 0.00126(18) C5 0.0103(2) 0.0093(3) 0.0055(2) 0.0028(2) 0.0012(2) 0.0022(2) C3 0.0101(2) 0.0065(2) 0.0060(2) 0.0023(2) 0.0010(2) 0.0012(2) C4 0.0087(2) 0.0073(3) 0.0050(2) 0.0022(2) 0.00111(19) 0.0014(2) C2 0.0072(2) 0.0066(3) 0.0049(2) 0.00169(19) 0.00135(19) 0.0008(2) C6 0.0094(2) 0.0086(3) 0.0058(2) 0.0028(2) 0.0011(2) 0.0022(2) C1 0.0076(2) 0.0071(3) 0.0055(2) 0.00268(19) 0.00124(19) 0.0008(2) O5 0.0188(3) 0.0106(2) 0.0046(2) 0.00406(19) 0.00135(18) 0.00158(18) 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 0 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Sr Sr -1.5307 3.2498 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag O1W Sr1 O1 . . 77.03(2) ? O1W Sr1 O2 . 1_655 83.69(2) ? O1 Sr1 O2 . 1_655 160.64(2) ? O1W Sr1 O4 . 1_554 146.31(2) ? O1 Sr1 O4 . 1_554 75.36(2) ? O2 Sr1 O4 1_655 1_554 121.96(2) ? O1W Sr1 O5 . 2_767 129.18(2) ? O1 Sr1 O5 . 2_767 86.72(2) ? O2 Sr1 O5 1_655 2_767 107.19(2) ? O4 Sr1 O5 1_554 2_767 67.90(2) ? O1W Sr1 O6 . . 72.18(3) ? O1 Sr1 O6 . . 93.95(2) ? O2 Sr1 O6 1_655 . 81.69(2) ? O4 Sr1 O6 1_554 . 128.48(2) ? O5 Sr1 O6 2_767 . 61.19(2) ? O1W Sr1 O2 . 2_656 92.93(3) ? O1 Sr1 O2 . 2_656 112.128(19) ? O2 Sr1 O2 1_655 2_656 66.70(2) ? O4 Sr1 O2 1_554 2_656 80.07(2) ? O5 Sr1 O2 2_767 2_656 137.44(2) ? O6 Sr1 O2 . 2_656 146.54(2) ? O1W Sr1 O1 . 2_656 73.19(2) ? O1 Sr1 O1 . 2_656 65.48(2) ? O2 Sr1 O1 1_655 2_656 107.31(2) ? O4 Sr1 O1 1_554 2_656 78.00(2) ? O5 Sr1 O1 2_767 2_656 140.61(2) ? O6 Sr1 O1 . 2_656 142.90(2) ? O2 Sr1 O1 2_656 2_656 47.781(19) ? O1W Sr1 C1 . 2_656 80.08(3) ? O1 Sr1 C1 . 2_656 89.37(2) ? O2 Sr1 C1 1_655 2_656 85.54(2) ? O4 Sr1 C1 1_554 2_656 80.68(2) ? O5 Sr1 C1 2_767 2_656 148.31(2) ? O6 Sr1 C1 . 2_656 150.50(2) ? O2 Sr1 C1 2_656 2_656 24.031(18) ? O1 Sr1 C1 2_656 2_656 24.035(18) ? O1W Sr1 O3 . 2_767 143.99(2) ? O1 Sr1 O3 . 2_767 138.91(2) ? O2 Sr1 O3 1_655 2_767 60.44(2) ? O4 Sr1 O3 1_554 2_767 66.56(2) ? O5 Sr1 O3 2_767 2_767 65.46(2) ? O6 Sr1 O3 . 2_767 97.71(2) ? O2 Sr1 O3 2_656 2_767 76.627(19) ? O1 Sr1 O3 2_656 2_767 118.27(2) ? C1 Sr1 O3 2_656 2_767 98.89(2) ? O1W Sr1 Sr1 . 2_756 88.17(2) ? O1 Sr1 Sr1 . 2_756 141.129(15) ? O2 Sr1 Sr1 1_655 2_756 34.618(14) ? O4 Sr1 Sr1 1_554 2_756 101.506(19) ? O5 Sr1 Sr1 2_767 2_756 128.792(16) ? O6 Sr1 Sr1 . 2_756 115.629(17) ? O2 Sr1 Sr1 2_656 2_756 32.079(13) ? O1 Sr1 Sr1 2_656 2_756 75.898(17) ? C1 Sr1 Sr1 2_656 2_756 52.415(16) ? O3 Sr1 Sr1 2_767 2_756 64.637(16) ? O1W Sr1 Sr1 . 2_656 72.120(18) ? O1 Sr1 Sr1 . 2_656 34.489(15) ? O2 Sr1 Sr1 1_655 2_656 135.979(16) ? O4 Sr1 Sr1 1_554 2_656 74.189(16) ? O5 Sr1 Sr1 2_767 2_656 116.658(16) ? O6 Sr1 Sr1 . 2_656 122.370(17) ? O2 Sr1 Sr1 2_656 2_656 78.169(16) ? O1 Sr1 Sr1 2_656 2_656 30.991(13) ? C1 Sr1 Sr1 2_656 2_656 54.925(15) ? O3 Sr1 Sr1 2_767 2_656 136.162(13) ? Sr1 Sr1 Sr1 2_756 2_656 106.797(12) ? O1W Sr1 H2W . . 15.2(3) ? O1 Sr1 H2W . . 64.8(3) ? O2 Sr1 H2W 1_655 . 95.8(3) ? O4 Sr1 H2W 1_554 . 131.1(3) ? O5 Sr1 H2W 2_767 . 132.8(3) ? O6 Sr1 H2W . . 82.9(3) ? O2 Sr1 H2W 2_656 . 89.4(3) ? O1 Sr1 H2W 2_656 . 60.7(3) ? C1 Sr1 H2W 2_656 . 72.0(3) ? O3 Sr1 H2W 2_767 . 155.7(3) ? Sr1 Sr1 H2W 2_756 . 93.0(3) ? Sr1 Sr1 H2W 2_656 . 56.9(3) ? Sr1 O1W H1W . . 134.9(11) ? Sr1 O1W H2W . . 113.7(11) ? H1W O1W H2W . . 111.3(15) ? C1 O1 Sr1 . . 152.60(5) ? C1 O1 Sr1 . 2_656 92.08(4) ? Sr1 O1 Sr1 . 2_656 114.52(2) ? C5 O4 Sr1 . 1_556 139.52(5) ? C1 O2 Sr1 . 1_455 131.37(5) ? C1 O2 Sr1 . 2_656 94.77(4) ? Sr1 O2 Sr1 1_455 2_656 113.30(2) ? C5 O3 Sr1 . 2_767 115.15(5) ? C5 O3 H33 . . 109.5(10) ? Sr1 O3 H33 2_767 . 118.2(10) ? C6 O6 Sr1 . . 121.27(5) ? O4 C5 O3 . . 123.99(7) ? O4 C5 C4 . . 120.71(7) ? O3 C5 C4 . . 115.30(7) ? C2 C3 C4 . . 121.07(7) ? C2 C3 H3 . . 119.5 ? C4 C3 H3 . . 119.5 ? C3 C4 C2 . 2_667 120.34(7) ? C3 C4 C5 . . 116.31(7) ? C2 C4 C5 2_667 . 123.34(6) ? C3 C2 C4 . 2_667 118.59(6) ? C3 C2 C1 . . 116.58(6) ? C4 C2 C1 2_667 . 124.82(6) ? O6 C6 O5 . . 126.98(7) ? O6 C6 C6 . 2_767 117.90(8) ? O5 C6 C6 . 2_767 115.12(8) ? O1 C1 O2 . . 123.86(7) ? O1 C1 C2 . . 118.01(6) ? O2 C1 C2 . . 118.06(6) ? O1 C1 Sr1 . 2_656 63.88(4) ? O2 C1 Sr1 . 2_656 61.20(4) ? C2 C1 Sr1 . 2_656 171.05(5) ? C6 O5 Sr1 . 2_767 122.58(5) ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Sr1 O1W . 2.5012(8) ? Sr1 O1 . 2.5109(7) ? Sr1 O2 1_655 2.5263(7) ? Sr1 O4 1_554 2.6148(7) ? Sr1 O5 2_767 2.6181(7) ? Sr1 O6 . 2.6377(7) ? Sr1 O2 2_656 2.7023(7) ? Sr1 O1 2_656 2.7612(7) ? Sr1 C1 2_656 3.0733(8) ? Sr1 O3 2_767 3.2153(8) ? Sr1 Sr1 2_756 4.3687(5) ? Sr1 Sr1 2_656 4.4366(7) ? Sr1 H2W . 2.941(16) ? O1W H1W . 0.852(13) ? O1W H2W . 0.841(13) ? O1 C1 . 1.2526(9) ? O1 Sr1 2_656 2.7612(7) ? O4 C5 . 1.2281(10) ? O4 Sr1 1_556 2.6148(7) ? O2 C1 . 1.2558(9) ? O2 Sr1 1_455 2.5263(7) ? O2 Sr1 2_656 2.7024(7) ? O3 C5 . 1.3114(10) ? O3 Sr1 2_767 3.2153(8) ? O3 H33 . 0.877(16) ? O6 C6 . 1.2424(10) ? C5 C4 . 1.4898(10) ? C3 C2 . 1.3904(10) ? C3 C4 . 1.3961(10) ? C3 H3 . 0.93 ? C4 C2 2_667 1.4022(10) ? C2 C4 2_667 1.4022(10) ? C2 C1 . 1.5099(10) ? C6 O5 . 1.2685(9) ? C6 C6 2_767 1.5545(15) ? C1 Sr1 2_656 3.0733(8) ? O5 Sr1 2_767 2.6180(7) ? loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA _geom_hbond_publ_flag O1W H1W O6 2_757 0.8500 1.9500 2.7973(4) 172.00 yes O1W H2W O4 2_657 0.8400 2.1200 2.9594(5) 175.00 yes O3 H33 O5 2_768 0.877(16) 1.677(15) 2.5446(4) 168.00 yes 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_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion _geom_torsion_publ_flag Sr1 O4 C5 O3 1_556 . . . -13.89(14) ? Sr1 O4 C5 C4 1_556 . . . 166.18(6) ? Sr1 O3 C5 O4 2_767 . . . 128.17(7) ? Sr1 O3 C5 C4 2_767 . . . -51.89(8) ? C2 C3 C4 C2 . . . 2_667 -0.65(12) ? C2 C3 C4 C5 . . . . 177.92(6) ? O4 C5 C4 C3 . . . . -19.42(11) ? O3 C5 C4 C3 . . . . 160.64(7) ? O4 C5 C4 C2 . . . 2_667 159.10(8) ? O3 C5 C4 C2 . . . 2_667 -20.84(11) ? C4 C3 C2 C4 . . . 2_667 0.64(12) ? C4 C3 C2 C1 . . . . -179.89(6) ? Sr1 O6 C6 O5 . . . . 168.87(6) ? Sr1 O6 C6 C6 . . . 2_767 -11.05(11) ? Sr1 O1 C1 O2 . . . . -153.79(9) ? Sr1 O1 C1 O2 2_656 . . . 12.78(8) ? Sr1 O1 C1 C2 . . . . 23.27(16) ? Sr1 O1 C1 C2 2_656 . . . -170.17(6) ? Sr1 O1 C1 Sr1 . . . 2_656 -166.57(13) ? Sr1 O2 C1 O1 1_455 . . . -140.14(6) ? Sr1 O2 C1 O1 2_656 . . . -13.10(8) ? Sr1 O2 C1 C2 1_455 . . . 42.80(9) ? Sr1 O2 C1 C2 2_656 . . . 169.85(6) ? Sr1 O2 C1 Sr1 1_455 . . 2_656 -127.05(6) ? C3 C2 C1 O1 . . . . -85.84(9) ? C4 C2 C1 O1 2_667 . . . 93.59(9) ? C3 C2 C1 O2 . . . . 91.39(8) ? C4 C2 C1 O2 2_667 . . . -89.18(9) ? O6 C6 O5 Sr1 . . . 2_767 168.67(6) ? C6 C6 O5 Sr1 2_767 . . 2_767 -11.41(11) ?