Can solvated intermediates inform us about nucleation pathways? The case of β-pABA
Cruz-Cabeza, A. J.; Taylor, E.; Sugden, I. J.; Bowskill, D. H.; Wright, S. E.; Abdullahi, H.; Tulegenov, D.; Sadiq, G.; Davey, R. J.; CrystEngComm  (2020) –; doi:10.1039/D0CE00970A

data_7240982
_publ_section_title
;
 Can solvated intermediates inform us about nucleation pathways? The case
 of \b-pABA
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00970A
_journal_year                    2020
_chemical_formula_moiety         'C8 H9 N O3'
_chemical_formula_sum            'C8 H9 N O3'
_chemical_formula_weight         167.16
_chemical_name_systematic        '4-amino-2-methoxybenzoic acid'
_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'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2018-10-26
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-06-15 deposited with the CCDC.	2020-07-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.909(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.1846(7)
_cell_length_b                   13.5952(10)
_cell_length_c                   7.2087(6)
_cell_measurement_reflns_used    1787
_cell_measurement_temperature    150
_cell_measurement_theta_max      27.1090
_cell_measurement_theta_min      3.9810
_cell_volume                     754.18(12)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.1636
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.893
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -34.00  59.00   1.00    2.79    --  -11.10  57.00 120.00   93
  2  \w    -67.00  13.00   1.00    2.79    --  -11.10 -77.00-150.00   80
  3  \w    -80.00  16.00   1.00    2.79    --  -11.10 -57.00 -30.00   96
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0158922000
_diffrn_orient_matrix_UB_12      0.0160643000
_diffrn_orient_matrix_UB_13      -0.0859259000
_diffrn_orient_matrix_UB_21      -0.0676207000
_diffrn_orient_matrix_UB_22      -0.0309661000
_diffrn_orient_matrix_UB_23      -0.0586406000
_diffrn_orient_matrix_UB_31      -0.0605906000
_diffrn_orient_matrix_UB_32      0.0387921000
_diffrn_orient_matrix_UB_33      -0.0112394000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0402
_diffrn_reflns_av_unetI/netI     0.0569
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.893
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            5879
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.893
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.544
_diffrn_reflns_theta_min         3.359
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.79079
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear brown'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.472
_exptl_crystal_description       plate
_exptl_crystal_F_000             352
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Acetone'
_exptl_crystal_size_max          0.376
_exptl_crystal_size_mid          0.355
_exptl_crystal_size_min          0.143
_refine_diff_density_max         0.227
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         1877
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0909
_refine_ls_R_factor_gt           0.0532
_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^)+(0.0579P)^2^+0.1082P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1382
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1219
_reflns_number_total             1877
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00970a2.cif
_cod_data_source_block           oacc11
_cod_original_cell_volume        754.18(11)
_cod_database_code               7240982
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C8 O3 N H9'
_reflns_odcompleteness_completeness 99.69
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Rotating group:
 N1(H1A,H1B)
2.b Me refined with riding coordinates:
 C8(H8A,H8B,H8C)
2.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C6(H6)
2.d Idealised tetrahedral OH refined as rotating group:
 O2(H2)
;
_shelx_res_checksum              18475
_olex2_date_sample_data_collection 2018-10-19
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.301
_oxdiff_exptl_absorpt_empirical_full_min 0.913