Discovering Crystal Forms of the Bio-based Nylon 5O Monomer 1,5-pentanediamine-O-phthalate: Insight into the Crystal Structures, Transformations and Stability
Li, Zihan; Fang, Xincao; Yang, Pengpeng; Li, Shushu; Wen, Qingshi; Zhuang, Wei; Wu, Jianglan; Zhu, Chenjie; Ying, Hanjie; CrystEngComm  (2022) –; doi:10.1039/D2CE00628F

data_7245511
_publ_section_title
;
 Discovering Crystal Forms of the Bio-based Nylon 5O Monomer
 1,5-pentanediamine-O-phthalate: Insight into the Crystal Structures,
 Transformations and Stability
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D2CE00628F
_journal_year                    2022
_chemical_formula_sum            'C21 H26 N2 O8'
_chemical_formula_weight         434.44
_chemical_name_systematic
'1,5-pentanediamine-o-Phthalic acid salt; 1,5-pentanediamine-1,2-Phthalic acid salt'
_chemical_properties_physical    Moisture-sensitive,Heat-sensitive
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2021-08-30 deposited with the CCDC.	2022-09-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 110.730(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.2457(12)
_cell_length_b                   18.4249(14)
_cell_length_c                   8.4299(6)
_cell_measurement_reflns_used    1809
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.554
_cell_measurement_theta_min      2.707
_cell_volume                     2214.7(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0502
_diffrn_reflns_av_sigmaI/netI    0.0606
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5226
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.9890
_exptl_absorpt_correction_T_min  0.9656
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.190
_refine_diff_density_min         -0.174
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         1940
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.1097
_refine_ls_R_factor_gt           0.0592
_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^)+(0.0548P)^2^+1.3625P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1257
_refine_ls_wR_factor_ref         0.1397
_reflns_number_gt                1179
_reflns_number_total             1940
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d2ce00628f2.cif
_cod_data_source_block           210827c
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' 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 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7245511