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_7240987
_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 O2'
_chemical_formula_sum            'C8 H9 N O2'
_chemical_formula_weight         151.16
_chemical_name_systematic        '4-amino-3-methylbenzoic 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             2018-02-15
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2020-06-15 deposited with the CCDC.	2020-07-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.802(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.7033(4)
_cell_length_b                   8.7280(3)
_cell_length_c                   16.1405(7)
_cell_measurement_reflns_used    4590
_cell_measurement_temperature    150.01(10)
_cell_measurement_theta_max      27.7390
_cell_measurement_theta_min      1.8820
_cell_volume                     1500.10(10)
_computing_cell_refinement       'CrysAlisPro 1.171.39.30c (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.30c (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.30c (Rigaku OD, 2017)'
_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_environment      N~2~
_diffrn_ambient_temperature      150.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.905
_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    -65.00 -38.00   1.00    1.00    --   19.70  35.00 174.00   27
  2  \w    -43.00 -16.00   1.00    1.00    --   19.70  60.00   0.00   27
  3  \w     10.00 109.00   1.00    1.00    --   19.70  60.00   0.00   99
  4  \w    -69.00 109.00   1.00    1.00    --   19.70  60.00-120.00  178
  5  \w    -45.00 109.00   1.00    1.00    --   19.70  14.00  60.00  154
  6  \w    -62.00  76.00   1.00    1.00    --   19.70  60.00 -90.00  138
  7  \w     28.00  58.00   1.00    1.00    --   19.70  60.00  30.00   30
  8  \w     79.00 104.00   1.00    1.00    --   19.70  60.00  30.00   25
  9  \w     -5.00  20.00   1.00    1.00    --   19.70  35.00 174.00   25
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC11 (RINC): quarter-chi single'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0664492000
_diffrn_orient_matrix_UB_12      -0.0040210000
_diffrn_orient_matrix_UB_13      -0.0070922000
_diffrn_orient_matrix_UB_21      -0.0014128000
_diffrn_orient_matrix_UB_22      -0.0464417000
_diffrn_orient_matrix_UB_23      0.0359759000
_diffrn_orient_matrix_UB_31      -0.0048760000
_diffrn_orient_matrix_UB_32      0.0665612000
_diffrn_orient_matrix_UB_33      0.0246043000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0746
_diffrn_reflns_av_unetI/netI     0.0629
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.905
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            18127
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.905
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.001
_diffrn_reflns_theta_min         1.912
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.40453
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.30c (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.339
_exptl_crystal_description       plate
_exptl_crystal_F_000             640
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Acetone'
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         3603
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0748
_refine_ls_R_factor_gt           0.0506
_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^)+(0.0622P)^2^+0.2535P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1278
_refine_ls_wR_factor_ref         0.1437
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2552
_reflns_number_total             3603
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00970a2.cif
_cod_data_source_block           s5120l
_cod_depositor_comments
;

2024-06-28
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_moiety     '2(C8 H9 N O2)'
_cod_original_formula_sum        'C16 H18 N2 O4'
_cod_original_formula_units_Z    4
_cod_original_formula_weight     302.32
_cod_database_code               7240987
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.999
_shelx_estimated_absorpt_t_min   0.976
_reflns_odcompleteness_completeness 99.97
_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 Riding coordinates:
 O2(H2), N1(H1A,H1B), O4(H4), N2(H2A,H2B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C6(H6), C7(H7), C11(H11), C14(H14), C15(H15)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C16(H16A,H16B,H16C)
;
_shelx_res_checksum              10805
_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 2.735
_oxdiff_exptl_absorpt_empirical_full_min 0.328