Role of arene interactions and substituent effects in conformational (syn/anti) control of 1,2-diarylethanes
Avasthi, Kamlakar; Kumar, Amar; Aswal, Sangeeta; Kant, Ruchir; Raghunandan, Resmi; Maulik, Prakas R.; Khanna, Ranjana S.; Ravikumar, Krishnan; CrystEngComm 14 (2012) 383–; doi:10.1039/c1ce06001e

data_7207113
_publ_section_title
;
 Role of arene interactions and substituent effects in conformational
 (syn/anti) control of 1,2-diarylethanes
;
_journal_issue                   2
_journal_name_full               CrystEngComm
_journal_page_first              383
_journal_paper_doi               10.1039/c1ce06001e
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C16 H13 Cl N6 O S'
_chemical_formula_sum            'C16 H13 Cl N6 O S'
_chemical_formula_weight         372.83
_chemical_melting_point          211
_chemical_name_systematic
;
2-(2-(4-chloro-6-(methylthio)-1H-pyrazolo
[3,4-d]pyrimidin-1-yl)ethyl)phthalazin-1(2H)-one

;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.120(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1610(10)
_cell_length_b                   14.0630(10)
_cell_length_c                   13.1090(10)
_cell_measurement_reflns_used    37
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12.32
_cell_measurement_theta_min      3.17
_cell_volume                     1651.2(3)
_computing_cell_refinement       'XSCANS (Siemens, 1996)'
_computing_data_collection       'XSCANS (Siemens, 1996)'
_computing_data_reduction        'XSCANS (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL-NT(Bruker, 1997)'
_computing_publication_material  'SHELXTL-NT(Bruker, 1997)'
_computing_structure_refinement  'SHELXTL-NT(Bruker, 1997)'
_computing_structure_solution    'SHELXTL-NT(Bruker, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker P4 diffractometer'
_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  0.0251
_diffrn_reflns_av_sigmaI/netI    0.0389
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       1
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4075
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 97
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.376
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.500
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular block'
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.275
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.203
_refine_diff_density_min         -0.251
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         2901
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0782
_refine_ls_R_factor_gt           0.0461
_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^)+(0.0567P)^2^+0.3129P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1075
_refine_ls_wR_factor_ref         0.1225
_reflns_number_gt                1957
_reflns_number_total             2901
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce06001e.txt
_cod_data_source_block           15
_cod_depositor_comments
;
The following automatic conversions were performed:

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

'_refine_ls_hydrogen_treatment' value 'Constr' changed
to 'constr' 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 
;
_cod_original_cell_volume        1651.2(2)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7207113