N-H···O Hydrogen Bonding to the Alkoxy Oxygen of a Carboxylic Ester Group: Crystal Structures of Methyl 2,6-Diaminobenzoate and Its Derivatives.
Wallis, John D.; Garner, Alun Christopher; Yang, Songjie; CrystEngComm  (2020) –; doi:10.1039/D0CE00495B

data_7240465
_publ_section_title
;
 N-H&#x00B7;&#x00B7;&#x00B7;O Hydrogen Bonding to the Alkoxy Oxygen of a
 Carboxylic Ester Group: Crystal Structures of Methyl 2,6-Diaminobenzoate
 and Its Derivatives.
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00495B
_journal_year                    2020
_chemical_formula_sum            'C48 H46 B2 N4 O2'
_chemical_formula_weight         732.51
_chemical_name_systematic
'Methyl 2,6-diaminobenzoate bis BPh3 complex bis acetontrile solvate'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2020-04-01 deposited with the CCDC.	2020-05-06 downloaded from the CCDC.
;
_cell_angle_alpha                67.212(6)
_cell_angle_beta                 77.440(5)
_cell_angle_gamma                77.991(6)
_cell_formula_units_Z            2
_cell_length_a                   11.5169(8)
_cell_length_b                   12.9904(10)
_cell_length_c                   15.2893(9)
_cell_measurement_reflns_used    2166
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.0500
_cell_measurement_theta_min      3.6150
_cell_volume                     2038.8(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    SHELXS
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 15.9832
_diffrn_detector_type            Sapphire3
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0529
_diffrn_reflns_av_unetI/netI     0.1154
_diffrn_reflns_Laue_measured_fraction_full 0.980
_diffrn_reflns_Laue_measured_fraction_max 0.979
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            13681
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.979
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.368
_diffrn_reflns_theta_min         2.883
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.862
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.45a (Rigaku Oxford Diffraction, 2019)
Numerical absorption correction based on gaussian integration over
			a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.193
_exptl_crystal_description       block
_exptl_crystal_F_000             776
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetonitrile'
_exptl_crystal_size_max          0.414
_exptl_crystal_size_mid          0.316
_exptl_crystal_size_min          0.213
_refine_diff_density_max         0.274
_refine_diff_density_min         -0.258
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         8170
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.1469
_refine_ls_R_factor_gt           0.0721
_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^)+(0.0635P)^2^+0.0734P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1450
_refine_ls_wR_factor_ref         0.1797
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4549
_reflns_number_total             8170
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00495b2.cif
_cod_data_source_block           BPh3COMPLEX
_cod_database_code               7240465
_shelxl_version_number           2014-3
_shelx_res_checksum              36647