Proline derived guanidine catalysts forge extensive H-bonded architectures: a solution and solid state study
Al-Taie, Zahraa S.; Anetts, Simon R.; Christensen, Jeppe; Coles, Simon J.; Horton, Peter N.; Evans, Daniel M.; Jones, Leigh F.; de Kleijne, Frank F. J.; Ledbetter, Shaun M.; Mehdar, Yassin T. H.; Murphy, Patrick J.; Wilson, Jack A.; RSC Advances 10 (2020) 22397–22416; doi:10.1039/C9RA07508A

data_7240687
_publ_section_title
;
 Proline derived guanidine catalysts forge extensive H-bonded
 architectures: a solution and solid state study
;
_journal_issue                   38
_journal_name_full               'RSC Advances'
_journal_page_first              22397
_journal_page_last               22416
_journal_paper_doi               10.1039/C9RA07508A
_journal_volume                  10
_journal_year                    2020
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C13 H16 N4 O1'
_chemical_formula_sum            'C13 H16 N4 O'
_chemical_formula_weight         244.30
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-09-10 deposited with the CCDC.	2020-02-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.835(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8292(2)
_cell_length_b                   12.6358(4)
_cell_length_c                   10.1195(2)
_cell_measurement_reflns_used    5434
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.3610
_cell_measurement_theta_min      4.4920
_cell_volume                     1252.37(5)
_computing_cell_refinement       CrysAlisPro
_computing_data_collection       CrysAlisPro
_computing_data_reduction        CrysAlisPro
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'hybrid pixel detector'
_diffrn_detector_area_resol_mean 10
_diffrn_detector_dtime           0.000
_diffrn_detector_type            'Rigaku, HyPix 6000'
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_details
;
Data collection strategy using shutter-less operation of detector. 

List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w   -180.00   0.00   0.50    2.00    --  -90.00  54.00   0.00  360
  2  \w   -180.00   0.00   0.50    2.00    --  -90.00  54.00 120.00  360
  3  \w   -180.00   0.00   0.50    2.00    --  -90.00  54.00 240.00  360
  4  \w   -124.00  55.00   0.50    0.50    --  -35.00  54.00 240.00  358
  5  \w   -124.00  55.00   0.50    0.50    --  -35.00  54.00 120.00  358
  6  \w   -124.00  55.00   0.50    0.50    --  -35.00  54.00   0.00  358
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_details 'Rigaku, AFC11 quarter \c goniometer'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'MiTeGen loops'
_diffrn_radiation_collimation    'Varimax focusing mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_radiation_wavelength_determination fundamental
_diffrn_reflns_av_R_equivalents  0.0523
_diffrn_reflns_av_unetI/netI     0.0519
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.971
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            11865
_diffrn_reflns_point_group_measured_fraction_full 0.901
_diffrn_reflns_point_group_measured_fraction_max 0.874
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         70.486
_diffrn_reflns_theta_min         4.515
_diffrn_source                   'Rotating anode'
_diffrn_source_current           30.0
_diffrn_source_power             1.2
_diffrn_source_target            Cu
_diffrn_source_type              'Rigaku 007 HF'
_diffrn_source_voltage           40.0
_exptl_absorpt_coefficient_mu    0.695
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.87199
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.28b (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_description       plate
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.045
_exptl_crystal_size_mid          0.035
_exptl_crystal_size_min          0.008
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details
;
 Flack x determined using 1448 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.02(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         4184
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0451
_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^)+(0.0608P)^2^+0.3387P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1169
_refine_ls_wR_factor_ref         0.1207
_reflns_Friedel_coverage         0.718
_reflns_Friedel_fraction_full    0.806
_reflns_Friedel_fraction_max     0.767
_reflns_number_gt                3802
_reflns_number_total             4184
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ra07508a2.cif
_cod_data_source_block           shelx_CCDC3
_cod_depositor_comments
'Adding full bibliography for 7240683--7240703.cif.'
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7240687
_shelx_estimated_absorpt_t_min   0.969
_shelx_estimated_absorpt_t_max   0.994
_shelx_res_checksum              79821