Temperature-induced solid-to-solid transformation in helical homochiral coordination polymers
Xu, Zhong-Xuan; Chen, Guo-Guo; Li, Li-Feng; Acta Crystallographica Section C 76 (2020) –; doi:10.1107/S2053229620000182

data_2021960
_publ_section_title
;
 Temperature-induced solid-to-solid transformation in helical homochiral
 coordination polymers
;
_journal_coeditor_code           JX3053
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2053229620000182
_journal_volume                  76
_journal_year                    2020
_chemical_absolute_configuration rm
_chemical_formula_iupac          '[Zn (C10 H8 O5) (C14 H14 N4)]'
_chemical_formula_moiety         'C24 H22 N4 O5 Zn'
_chemical_formula_sum            'C24 H22 N4 O5 Zn'
_chemical_formula_weight         511.82
_chemical_name_systematic
Poly[[\m-1,3-bis(2-methyl-1<i>H</i>-imidazol-1-yl)benzene][\m-(<i>S</i>)-4-(1-carboxylatoethoxy)benzoato]zinc(II)]
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 112.456(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.0631(8)
_cell_length_b                   11.8412(7)
_cell_length_c                   11.6382(10)
_cell_measurement_reflns_used    5842
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.7800
_cell_measurement_theta_min      3.9010
_cell_volume                     1154.28(18)
_computing_cell_refinement
;
CrysAlis PRO (Rigaku OD, 2015)
;
_computing_data_collection
;
CrysAlis PRO (Rigaku OD, 2015)
;
_computing_data_reduction
;
CrysAlis PRO (Rigaku OD, 2015)
;
_computing_molecular_graphics
;
OLEX2 (Dolomanov <i>et al.</i>, 2009)
;
_computing_publication_material
;
OLEX2 (Dolomanov <i>et al.</i>, 2009)
;
_computing_structure_refinement
;
ShelXL (Sheldrick, 2015)
;
_computing_structure_solution
;
SHELXT (Sheldrick, 2015)
;
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.894
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Rigaku XtaLAB Pro (Kappa single)'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0405
_diffrn_reflns_av_unetI/netI     0.0549
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            12526
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.245
_diffrn_reflns_theta_min         3.789
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.107
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.46721
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis PRO; Rigaku OD, 2015)
;
_exptl_crystal_colour            'clear light yellow'
_exptl_crystal_density_diffrn    1.473
_exptl_crystal_description       block
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.315
_refine_diff_density_min         -0.293
_refine_ls_abs_structure_details
;
Flack <i>x</i> determined using 2014 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons <i>et al.</i>,  2013)
;
_refine_ls_abs_structure_Flack   0.003(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.974
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         5673
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.0373
_refine_ls_R_factor_gt           0.0310
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0360P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0729
_refine_ls_wR_factor_ref         0.0754
_reflns_number_gt                5031
_reflns_number_total             5673
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jx3053sup1.cif
_cod_data_source_block           2-L
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2021960
_shelx_estimated_absorpt_t_min   0.852
_shelx_estimated_absorpt_t_max   0.897
_cod_database_fobs_code 2021960