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_7058408
_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            'C8 H10 Cl N5 O2'
_chemical_formula_weight         243.66
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2019-05-02 deposited with the CCDC.    2019-05-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.716(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.4865(3)
_cell_length_b                   18.9802(13)
_cell_length_c                   11.8656(7)
_cell_measurement_reflns_used    9973
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.76
_cell_volume                     998.74(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_publication_material  ?'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0287
_diffrn_reflns_av_unetI/netI     0.0209
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14205
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.333
_diffrn_reflns_theta_min         2.761
_exptl_absorpt_coefficient_mu    0.376
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2016/2 (Bruker AXS Inc.)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.620
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.298
_exptl_crystal_size_mid          0.273
_exptl_crystal_size_min          0.193
_refine_diff_density_max         0.401
_refine_diff_density_min         -0.348
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2458
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.116
_refine_ls_R_factor_all          0.0334
_refine_ls_R_factor_gt           0.0307
_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^)+(0.0320P)^2^+0.6499P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0750
_refine_ls_wR_factor_ref         0.0763
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2311
_reflns_number_total             2458
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9nj02279a1.cif
_cod_data_source_block           3_32035002_0m
_cod_depositor_comments
'Adding full bibliography for 7058405--7058408.cif.'
_cod_database_code               7058408
_shelx_estimated_absorpt_t_min   0.896
_shelx_estimated_absorpt_t_max   0.931
_shelxl_version_number           2013-4
_shelx_res_checksum              43735