Single-crystal-to-single-crystal synthesis of a pseudostarch via topochemical azide-alkyne cycloaddition polymerization
Ravi, Arthi; Shijad, Amina; Sureshan, Kana M.; Chemical Science  (2021) –; doi:10.1039/D1SC03727G

data_1564331
_publ_section_title
;
 Single-crystal-to-single-crystal synthesis of a pseudostarch via
 topochemical azide-alkyne cycloaddition polymerization
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC03727G
_journal_year                    2021
_chemical_formula_moiety         'C9 H13 N3 O5'
_chemical_formula_sum            'C9 H13 N3 O5'
_chemical_formula_weight         243.22
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2020-10-16 deposited with the CCDC.	2021-08-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.116(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.6496(5)
_cell_length_b                   18.782(2)
_cell_length_c                   9.0830(8)
_cell_measurement_reflns_used    2816
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.93
_cell_measurement_theta_min      2.32
_cell_volume                     1095.15(17)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
_computing_publication_material  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0220
_diffrn_reflns_av_unetI/netI     0.0207
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            8110
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        24.993
_diffrn_reflns_theta_max         24.993
_diffrn_reflns_theta_min         2.169
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.122
_exptl_absorpt_correction_T_max  0.9976
_exptl_absorpt_correction_T_min  0.9702
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.475
_exptl_crystal_density_meas      1.475
_exptl_crystal_density_method    none
_exptl_crystal_description       long-plate
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.227
_refine_diff_density_min         -0.166
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         1920
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0483
_refine_ls_R_factor_gt           0.0338
_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^)+(0.0410P)^2^+0.3202P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0812
_refine_ls_wR_factor_ref         0.0908
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1523
_reflns_number_total             1920
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc03727g2.cif
_cod_data_source_block           monomer1
_cod_original_cell_volume        1095.14(17)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1564331
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.970
_shelx_estimated_absorpt_t_max   0.998
_shelx_res_checksum              18079
_shelx_hkl_checksum              28801