Multi-stimulus linear negative expansion of a breathing M(O<sub>2</sub>CR)<sub>4</sub>-node MOF.
Watkins, Daniel; Roseveare, Thomas M.; Warren, Mark R.; Thompson, Stephen P.; Fletcher, Ashleigh J.; Brammer, Lee; Faraday discussions 225 (2021) 133–151; doi:10.1039/d0fd00089b

data_1559676
_publ_section_title
;
 Multi-stimulus linear negative expansion of a breathing
 M(O<sub>2</sub>CR)<sub>4</sub>-node MOF.
;
_journal_name_full               'Faraday discussions'
_journal_page_first              133
_journal_page_last               151
_journal_paper_doi               10.1039/d0fd00089b
_journal_volume                  225
_journal_year                    2021
_chemical_formula_moiety         '0.33(C48 H18 Cd3 N6 O36), 2(C2 H8 N)'
_chemical_formula_sum            'C20 H22 Cd N4 O12'
_chemical_formula_weight         622.81
_chemical_name_common            SHF-81
_space_group_crystal_system      trigonal
_space_group_IT_number           152
_space_group_name_Hall           'P 31 2"'
_space_group_name_H-M_alt        'P 31 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2020-05-26
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-06-29 deposited with the CCDC.	2020-08-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   13.7702(3)
_cell_length_b                   13.7702(3)
_cell_length_c                   13.2048(3)
_cell_measurement_reflns_used    5844
_cell_measurement_temperature    195
_cell_measurement_theta_max      25.613
_cell_measurement_theta_min      2.301
_cell_volume                     2168.42(8)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      195
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1104
_diffrn_reflns_av_unetI/netI     0.0725
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            24159
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.106
_diffrn_reflns_theta_min         1.542
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.815
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.5962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0948 before and 0.0721 after correction. The Ratio of minimum to maximum transmission is 0.7997. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            orange-yellow
_exptl_crystal_colour_lustre     dull
_exptl_crystal_colour_modifier   orangish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.431
_exptl_crystal_description       needle
_exptl_crystal_F_000             942
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: DMF'
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.520
_refine_diff_density_min         -1.123
_refine_diff_density_rms         0.130
_refine_ls_abs_structure_details
;
 Flack x determined using 825 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.05(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         3203
_refine_ls_number_restraints     125
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0946
_refine_ls_R_factor_gt           0.0629
_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^)+(0.1065P)^2^+0.3538P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1522
_refine_ls_wR_factor_ref         0.1714
_reflns_Friedel_coverage         0.781
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                2413
_reflns_number_total             3203
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0fd00089b2.cif
_cod_data_source_block           ilb3631_tmr-1_0m
_cod_depositor_comments
'Adding full bibliography for 1559676--1559688.cif.'
_cod_original_cell_volume        2168.42(11)
_cod_database_code               1559676
_shelx_shelxl_version_number     2018/1
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.501(4)
 0.499(4)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3. Rigid body (RIGU) restrains
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
4.a Secondary CH2 refined with riding coordinates:
 N2(H2A,H2B)
4.b Me refined with riding coordinates:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C)
4.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C7(H7)
4.d Fitted hexagon refined as free rotating group:
 C2(C3,C4,C5,C6,C7)
;
_shelx_res_checksum              83758
_olex2_submission_special_instructions 'No special instructions were received'