Versatile solid forms of boscalid: insight into the crystal structures and phase transformations
Li, Zhonghua; Jia, Lina; Shi, Peng; Jiang, Shuang; Gong, Junbo; Wu, Songgu; CrystEngComm  (2019) –; doi:10.1039/C9CE00306A

data_7233911
_publ_section_title
;
 Versatile solid forms of boscalid: insight into the crystal structures
 and phase transformations
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C9CE00306A
_journal_year                    2019
_chemical_formula_moiety         'C18 H12 Cl2 N2 O'
_chemical_formula_sum            'C18 H12 Cl2 N2 O'
_chemical_formula_weight         343.20
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2017-07-12
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_audit_update_record
;
2019-03-03 deposited with the CCDC.    2019-09-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 114.59(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.586(2)
_cell_length_b                   11.339(2)
_cell_length_c                   12.896(3)
_cell_measurement_reflns_used    13908
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.75
_cell_measurement_theta_min      3.08
_cell_volume                     1540.5(6)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'RIGAKU R-AXIS RAPID IP'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0384
_diffrn_reflns_av_unetI/netI     0.0308
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15977
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.20
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.426
_exptl_absorpt_correction_T_max  0.9388
_exptl_absorpt_correction_T_min  0.9009
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.480
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Pyramid
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.445
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3535
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0667
_refine_ls_R_factor_gt           0.0496
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1400
_refine_ls_wR_factor_ref         0.1513
_reflns_number_gt                2823
_reflns_number_total             3535
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9ce00306a2.cif
_cod_data_source_block           b
_cod_original_cell_volume        1540.5(5)
_cod_database_code               7233911
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C4(H4A), C11(H11A), C5(H5A), C1(H1A), C18(H18A), C16(H16A), C2(H2A), C8(H8A),
 C17(H17A), C10(H10A), C9(H9A), N1(H1B)
;
_olex2_submission_special_instructions 'No special instructions were received'