Intermolecular stacking in pyrazolo[3,4-<i>d</i>]pyrimidine-based pentamethylene-linked flexible molecules
Avasthi, Kamlakar; Farooq, Sheikh M.; Tewari, Ashish K.; Sharon, Ashoke; Maulik, Prakas R.; Acta Crystallographica Section C 59 (2003) o42–o45; doi:10.1107/S0108270102020681

data_2013108
_publ_section_title
;
 Intermolecular stacking in pyrazolo[3,4-<i>d</i>]pyrimidine-based
 pentamethylene-linked flexible molecules
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o42
_journal_page_last               o45
_journal_paper_doi               10.1107/S0108270102020681
_journal_volume                  59
_journal_year                    2003
_chemical_formula_moiety         'C22 H29 N9 S3'
_chemical_formula_sum            'C22 H29 N9 S3'
_chemical_formula_weight         515.72
_chemical_melting_point          .421E-305
_chemical_name_common            Pyrazolo[3,4-d]pyrimidine
_chemical_name_systematic
;
1-{5-[4,6-bis(methylsulfanyl)-2H-pyrazolo[3,4-d]pyrimidin-2-yl]pentyl}-
6-methylsulfanyl-4-(pyrrolidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine
;
_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
_cell_angle_alpha                70.563(7)
_cell_angle_beta                 70.092(8)
_cell_angle_gamma                73.452(7)
_cell_formula_units_Z            2
_cell_length_a                   10.1195(8)
_cell_length_b                   11.8650(10)
_cell_length_c                   12.2710(10)
_cell_measurement_reflns_used    39
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12.5
_cell_measurement_theta_min      4.86
_cell_volume                     1281.7(2)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Siemens, 1996)'
_computing_data_reduction        XSCANS
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       \q/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.018
_diffrn_reflns_av_sigmaI/netI    0.029
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5878
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.83
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 97
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.319
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.38
_refine_diff_density_min         -0.34
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         4980
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.057
_refine_ls_R_factor_gt           0.042
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0519P)^2^+0.4512P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.108
_refine_ls_wR_factor_ref         0.119
_reflns_number_gt                3921
_reflns_number_total             4980
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bm1510.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               2013108
_cod_database_fobs_code          2013108