Quaternary and quinary molecular solids based on structural inequivalence and combinatorial approaches: 2-nitroresorcinol and 4,6-dichlororesorcinol
Rajkumar, Madhu; Desiraju, Gautam R.; IUCrJ 8 (2021) 178–185; doi:10.1107/S2052252520016589

data_1560053
_publ_section_title
;
 Quaternary and quinary molecular solids based on structural inequivalence
 and combinatorial approaches: 2-nitroresorcinol and
 4,6-dichlororesorcinol
;
_journal_issue                   2
_journal_name_full               IUCrJ
_journal_page_first              178
_journal_page_last               185
_journal_paper_doi               10.1107/S2052252520016589
_journal_volume                  8
_journal_year                    2021
_chemical_formula_sum            'C29 H26 N3 O4'
_chemical_formula_weight         480.53
_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
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 104.054(7)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.7925(13)
_cell_length_b                   12.885(2)
_cell_length_c                   12.398(2)
_cell_measurement_reflns_used    9438
_cell_measurement_temperature    150(2)
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_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Mercury375R (2x2 bin mode)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0572
_diffrn_reflns_av_unetI/netI     0.0789
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
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_diffrn_reflns_point_group_measured_fraction_full 0.998
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_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.485
_diffrn_reflns_theta_min         3.124
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.710
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.322
_exptl_crystal_description       Block
_exptl_crystal_F_000             506
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.469
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details
;
 Flack x determined using 988 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   1.5(10)
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     340
_refine_ls_number_reflns         5506
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.1464
_refine_ls_R_factor_gt           0.0905
_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^)+(0.1152P)^2^+1.4802P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2407
_refine_ls_wR_factor_ref         0.2760
_reflns_Friedel_coverage         0.908
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.991
_reflns_number_gt                3193
_reflns_number_total             5506
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            yc5029.cif
_cod_data_source_block           13NRES-TMP-PYR
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/IUCr/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 1560041--1560072.cif.
;
_cod_original_cell_volume        1207.6(4)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1560053
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.982
_shelx_estimated_absorpt_t_max   0.982
_shelx_res_checksum              60079
_shelx_hkl_checksum              95119