Crystal structures of N6-modified-amino acid related nucleobase analogs (II): hybrid adenine-β-alanine and adenine-GABA molecules
García-Raso, Angel; Terrón, Angel; López-Zafra, Adela; García-Viada, Andrés; Barta, Agostina; Frontera, Antonio; Lorenzo, Julia; Rodríguez-Calado, Sergi; Vázquez-López, Ezequiel M.; Fiol, Juan J.; New Journal of Chemistry 43 (2019) 9680–; doi:10.1039/C9NJ02279A

data_7058406
_publ_section_title
;
 Crystal structures of N6-modified-amino acid related nucleobase analogs
 (II): hybrid adenine-\b-alanine and adenine-GABA molecules
;
_journal_issue                   24
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              9680
_journal_paper_doi               10.1039/C9NJ02279A
_journal_volume                  43
_journal_year                    2019
_chemical_formula_sum            'C9 H15 N5 O4'
_chemical_formula_weight         257.26
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-05-02 deposited with the CCDC.    2019-05-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.582(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   11.9730(14)
_cell_length_b                   12.7692(14)
_cell_length_c                   14.8340(18)
_cell_measurement_reflns_used    9948
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.34
_cell_volume                     2257.2(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker D8 Venture Photon 100 CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0563
_diffrn_reflns_av_unetI/netI     0.0526
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            27614
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.401
_diffrn_reflns_theta_min         2.629
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6798
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2016/2 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.514
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.298
_exptl_crystal_size_mid          0.067
_exptl_crystal_size_min          0.032
_refine_diff_density_max         0.635
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     362
_refine_ls_number_reflns         5616
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.1017
_refine_ls_R_factor_gt           0.0602
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0640P)^2^+2.2584P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1350
_refine_ls_wR_factor_ref         0.1551
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3739
_reflns_number_total             5616
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9nj02279a1.cif
_cod_data_source_block           2_32035001_0m
_cod_depositor_comments
'Adding full bibliography for 7058405--7058408.cif.'
_cod_database_code               7058406
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.965
_shelx_estimated_absorpt_t_max   0.996
_shelx_res_checksum              46549