N9 substituent mediated structural tuning of copper–purine complexes: chelate effect and thin film studies
Avasthi, Ilesha; Khanna, Shruti; Tripathi, Santosh K.; Verma, Sandeep; CrystEngComm  (2017) –; doi:10.1039/C7CE01017F

data_7228798
_publ_section_title
;
 N9 substituent mediated structural tuning of copper--purine complexes:
 chelate effect and thin film studies
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C7CE01017F
_journal_year                    2017
_chemical_formula_moiety         'C12 H9 Cl1 N4'
_chemical_formula_sum            'C12 H9 Cl N4'
_chemical_formula_weight         244.68
_chemical_name_common            '9-benzyl 6-chloro purine'
_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
_audit_update_record
;
2016-12-28 deposited with the CCDC.
2017-07-10 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.474(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.8996(8)
_cell_length_b                   24.168(4)
_cell_length_c                   9.3291(15)
_cell_measurement_reflns_used    2710
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.3
_cell_volume                     1102.7(3)
_computing_cell_refinement       'SMART 5.628 (Bruker, 2003)'
_computing_data_collection       'SMART 5.628 (Bruker, 2003)'
_computing_data_reduction        'SAINT+ 6.45  (Bruker, 2003)'
_computing_molecular_graphics    'diamond 3.1d'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    Sir92
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'CCD area Detector'
_diffrn_measurement_method       'Phi-Omega scans'
_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  0.0369
_diffrn_reflns_av_sigmaI/netI    0.0480
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7161
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.34
_exptl_absorpt_coefficient_mu    0.326
_exptl_absorpt_correction_T_max  0.9619
_exptl_absorpt_correction_T_min  0.9376
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.474
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       hexagonal
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.503
_refine_diff_density_min         -0.468
_refine_diff_density_rms         0.124
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2710
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0590
_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^)+(0.1181P)^2^+1.4159P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1519
_refine_ls_wR_factor_ref         0.2173
_reflns_number_gt                2081
_reflns_number_total             2710
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ce01017f2.cif
_cod_data_source_block           25novbm
_cod_original_cell_volume        1102.6(3)
_cod_original_sg_symbol_H-M      P121/n1
_cod_database_code               7228798