Utilization of nitriles as the nitrogen source: practical and economical construction of 4-aminopyrimidine and β-enaminonitrile skeletons
Zhu, Yingzu; Li, Yinghua; Xiang, Shiqun; Fan, Weibin; Jin, Jiang; Huang, Deguang; Organic Chemistry Frontiers 6 (2019) 3071–; doi:10.1039/C9QO00619B

data_1554976
_publ_section_title
;
 Utilization of nitriles as the nitrogen source: practical and economical
 construction of 4-aminopyrimidine and \b-enaminonitrile skeletons
;
_journal_issue                   17
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              3071
_journal_paper_doi               10.1039/C9QO00619B
_journal_volume                  6
_journal_year                    2019
_chemical_formula_moiety         'C15 H13 N3'
_chemical_formula_sum            'C15 H13 N3'
_chemical_formula_weight         235.28
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2019-06-25 deposited with the CCDC.	2019-07-10 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.9687(3)
_cell_length_b                   13.0705(3)
_cell_length_c                   7.1800(2)
_cell_measurement_reflns_used    4469
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      73.1210
_cell_measurement_theta_min      4.7770
_cell_volume                     1217.06(5)
_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    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.5594
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  Mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0164
_diffrn_reflns_av_sigmaI/netI    0.0167
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            6331
_diffrn_reflns_theta_full        69.96
_diffrn_reflns_theta_max         69.96
_diffrn_reflns_theta_min         3.38
_exptl_absorpt_coefficient_mu    0.617
_exptl_absorpt_correction_T_max  0.9639
_exptl_absorpt_correction_T_min  0.9132
_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            colourless
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.124
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.3(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2150
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0291
_refine_ls_R_factor_gt           0.0286
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0482P)^2^+0.1608P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0755
_refine_ls_wR_factor_ref         0.0758
_reflns_number_gt                2108
_reflns_number_total             2150
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9qo00619b2.cif
_cod_data_source_block           Compound4ag
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1217.05(5)
_cod_original_sg_symbol_H-M      Pca21
_cod_database_code               1554976