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_7240683
_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         'C15 H20 N4 O3'
_chemical_formula_sum            'C15 H20 N4 O3'
_chemical_formula_weight         304.35
_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
_atom_sites_solution_primary     direct
_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                 94.111(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.5616(3)
_cell_length_b                   17.9003(13)
_cell_length_c                   15.5410(9)
_cell_measurement_reflns_used    10190
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.6730
_cell_measurement_theta_min      2.2650
_cell_volume                     1543.19(17)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution
'SHELXT (G. M. Sheldrick Acta Cryst. (2015). A71, 3-8)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 14.286
_diffrn_detector_type            'Rigaku HG Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.937
_diffrn_measurement_device       'four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12'
_diffrn_measurement_method       'profile data from \w scans'
_diffrn_measurement_specimen_support 'MiTeGen MicroMesh'
_diffrn_radiation_collimation    '0.07 mm Confocal mirrors, HF Varimax'
_diffrn_radiation_monochromator  'Confocal mirrors, HF Varimax'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.0855
_diffrn_reflns_av_unetI/netI     0.1168
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.937
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            30287
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.901
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.051
_diffrn_reflns_theta_min         2.276
_diffrn_source                   'rotating anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.475
_diffrn_source_target            Mo
_diffrn_source_type              'FR-E+ SuperBright rotating anode'
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.47050
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_description       plate
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.173
_exptl_crystal_size_mid          0.045
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.262
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     423
_refine_ls_number_reflns         8146
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1515
_refine_ls_R_factor_gt           0.0684
_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^)+(0.0532P)^2^+0.3399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1188
_refine_ls_wR_factor_ref         0.1447
_reflns_Friedel_coverage         0.869
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.863
_reflns_number_gt                4529
_reflns_number_total             8146
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ra07508a2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 7240683--7240703.cif.'
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7240683
_shelx_estimated_absorpt_t_min   0.984
_shelx_estimated_absorpt_t_max   0.999
_shelx_res_checksum              43991