Rational design and topochemical synthesis of polymorphs of a polymer.
Athiyarath, Vignesh; Mathew, Liby Ann; Zhao, Yakai; Khazeber, Ravichandran; Ramamurty, Upadrasta; Sureshan, Kana M.; Chemical science 14 (2023) 5132–5140; doi:10.1039/d3sc00053b

data_1568907
_publ_section_title
;
 Rational design and topochemical synthesis of polymorphs of a polymer.
;
_journal_issue                   19
_journal_name_full               'Chemical science'
_journal_page_first              5132
_journal_page_last               5140
_journal_paper_doi               10.1039/d3sc00053b
_journal_volume                  14
_journal_year                    2023
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C15 H24 N6 O3'
_chemical_formula_sum            'C15 H24 N6 O3'
_chemical_formula_weight         336.40
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-03-08 deposited with the CCDC.	2023-04-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.2274(13)
_cell_length_b                   9.2607(12)
_cell_length_c                   18.166(2)
_cell_measurement_reflns_used    3618
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.63
_cell_measurement_theta_min      2.47
_cell_volume                     1888.8(4)
_computing_cell_refinement       'APEX3/SAINT (Bruker 2016)'
_computing_data_collection       ' APEX3 (Bruker, 2016)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2016)'
_computing_molecular_graphics    'ORTEP3-2014.1(Farrugia, 1997)'
_computing_publication_material  'SHELXL-2018/3'(Sheldrick, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker KAPPA 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  0.0508
_diffrn_reflns_av_unetI/netI     0.0437
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            25529
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.384
_diffrn_reflns_theta_min         2.242
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.995
_exptl_absorpt_correction_T_min  0.991
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2016)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.183
_exptl_crystal_density_meas      1.183
_exptl_crystal_density_method    None
_exptl_crystal_description       cube
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.098
_exptl_crystal_size_mid          0.068
_exptl_crystal_size_min          0.048
_refine_diff_density_max         0.420
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
;
 Flack x determined using 1003 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.2(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         4680
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.1081
_refine_ls_R_factor_gt           0.0581
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0771P)^2^+0.2198P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1381
_refine_ls_wR_factor_ref         0.1653
_reflns_Friedel_coverage         0.930
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.980
_reflns_number_gt                2806
_reflns_number_total             4680
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc00053b2.cif
_cod_data_source_block           shelx_CCDC1
_cod_depositor_comments
;
The following automatic conversions were performed:

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

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/RSC/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 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 1568906--1568910.cif.
;
_cod_database_code               1568907
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.992
_shelx_estimated_absorpt_t_max   0.996
_shelx_res_checksum              74820
_shelx_hkl_checksum              9875