Crystal Engineering with 2-Aminopurine Containing a Carboxylic Acid Pendant
Mohapatra, Balaram; Venkatesh, V.; Verma, Sandeep; Crystal Growth & Design 14 (2014) 5042–; doi:10.1021/cg501142v

data_4511972
_publ_section_title
;
 Crystal Engineering with 2-Aminopurine Containing a Carboxylic Acid
 Pendant
;
_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5042
_journal_paper_doi               10.1021/cg501142v
_journal_volume                  14
_journal_year                    2014
_chemical_formula_sum            'C16 H24 Cd2 N12 O14'
_chemical_formula_weight         833.29
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                106.417(5)
_cell_angle_beta                 90.094(5)
_cell_angle_gamma                90.033(5)
_cell_formula_units_Z            2
_cell_length_a                   9.772(5)
_cell_length_b                   11.071(5)
_cell_length_c                   12.865(5)
_cell_measurement_reflns_used    5524
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.5
_cell_measurement_theta_min      2.1
_cell_volume                     1335.1(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0250
_diffrn_reflns_av_sigmaI/netI    0.0354
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10374
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    1.685
_exptl_absorpt_correction_T_max  0.721
_exptl_absorpt_correction_T_min  0.707
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.073
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.18
_refine_diff_density_max         3.468
_refine_diff_density_min         -2.414
_refine_diff_density_rms         0.181
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.105
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         5524
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0528
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0735P)^2^+4.9022P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1344
_refine_ls_wR_factor_ref         0.1408
_reflns_number_gt                4783
_reflns_number_total             5524
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg501142v_si_002.cif
_cod_data_source_block           complex7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4511966--4511973.cif.
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4511972