Structure modulation from unstable to stable MOFs by regulating secondary N-donor ligands.
Zhang, Da-Shuai; Zhang, Yong-Zheng; Gao, Jun; Liu, Hui-Ling; Hu, Hui; Geng, Long-Long; Zhang, Xiuling; Li, Yun-Wu; Dalton transactions (Cambridge, England : 2003) 47 (2018) 14025–14032; doi:10.1039/c8dt02858c

data_7047438
_publ_section_title
;
 Structure modulation from unstable to stable MOFs by regulating secondary
 N-donor ligands.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14025
_journal_page_last               14032
_journal_paper_doi               10.1039/c8dt02858c
_journal_volume                  47
_journal_year                    2018
_chemical_formula_moiety         '0.5(C90 H72 N20 O16 Zn4)'
_chemical_formula_sum            'C45 H36 N10 O8 Zn2'
_chemical_formula_weight         975.58
_space_group_crystal_system      orthorhombic
_space_group_IT_number           18
_space_group_name_Hall           'P 2 2ab'
_space_group_name_H-M_alt        'P 21 21 2'
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2018-03-31
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-04-20 deposited with the CCDC.
2018-09-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   17.8890(10)
_cell_length_b                   22.857(2)
_cell_length_c                   9.176(3)
_cell_measurement_reflns_used    4258
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      18.986
_cell_measurement_theta_min      2.277
_cell_volume                     3752.0(13)
_computing_cell_refinement       'SAINT v7.34A (Bruker, 200?)'
_computing_data_reduction        'SAINT v7.34A (Bruker, 200?)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0565
_diffrn_reflns_av_unetI/netI     0.0850
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            23412
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.575
_diffrn_reflns_theta_min         1.445
_exptl_absorpt_coefficient_mu    0.678
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            white
_exptl_crystal_colour_primary    white
_exptl_crystal_density_diffrn    0.863
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.186
_exptl_crystal_size_mid          0.163
_exptl_crystal_size_min          0.132
_refine_diff_density_max         0.250
_refine_diff_density_min         -0.162
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details
;
 Flack x determined using 1592 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.032(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.834
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         8619
_refine_ls_number_restraints     127
_refine_ls_restrained_S_all      0.874
_refine_ls_R_factor_all          0.0728
_refine_ls_R_factor_gt           0.0420
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0356P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0877
_refine_ls_wR_factor_ref         0.0946
_reflns_Friedel_coverage         0.784
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                4882
_reflns_number_total             8619
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt02858c2.cif
_cod_data_source_block           a_sq_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7047436--7047439.cif.'
_cod_original_cell_volume        3752.2(13)
_cod_database_code               7047438
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.916
_shelx_estimated_absorpt_t_min   0.884
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 C1-C2
 1.54 with sigma of 0.02
3. Rigid bond restraints
 C1
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.015
4. Uiso/Uaniso restraints and constraints
C15 \\sim C14 \\sim C18 \\sim C11 \\sim C19 \\sim C22 \\sim C17 \\sim C20 \\sim
C21 \\sim C16 \\sim C7 \\sim C10 \\sim C9 \\sim C23 \\sim C8 \\sim C12 \\sim
C13 \\sim C1 \\sim C3 \\sim C4 \\sim C6 \\sim C2 \\sim C5: within 2A with sigma
of 0.01 and sigma for terminal atoms of 0.02
C5 \\sim N5: within 1.6A with sigma of 0.02 and sigma for terminal atoms of 0.03
Zn1: within 1.6A with sigma of 0.008 and sigma for terminal atoms of 0.01
C12 \\sim C13: within 1.6A with sigma of 0.001 and sigma for terminal atoms of
0.0015
O1 \\sim C7: within 2A with sigma of 0.006 and sigma for terminal atoms of 0.012
5. Others
 Fixed Sof: H6A(0.5) H6B(0.5)
6.a Ternary CH refined with riding coordinates:
 C14(H14)
6.b Secondary CH2 refined with riding coordinates:
 C6(H6A,H6B), C5(H5A,H5B)
6.c Aromatic/amide H refined with riding coordinates:
 C22(H22), C17(H17), C20(H20), C21(H21), C16(H16), C10(H10), C9(H9), C23(H23),
 C12(H12), C13(H13), C3(H3)
6.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_shelx_res_checksum              98438
_shelx_fab_checksum              56472
_olex2_submission_special_instructions 'No special instructions were received'