Multi-Uracil Arrays Built on Organostannoxane, Organotelluroxane, and Copper(II) Carboxylate Platforms. C–H···O Interactions Leading to Tetrameric Uracil Motifs
Kundu, Subrata; Kumar, Jitendra; Kumar, Arun; Verma, Sandeep; Chandrasekhar, Vadapalli; Crystal Growth & Design 14 (2014) 5171–; doi:10.1021/cg500900n

data_4511918
_publ_section_title
;
 Multi-Uracil Arrays Built on Organostannoxane, Organotelluroxane, and
 Copper(II) Carboxylate Platforms. C--H&#x00B7;&#x00B7;&#x00B7;O
 Interactions Leading to Tetrameric Uracil Motifs
;
_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5171
_journal_paper_doi               10.1021/cg500900n
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C28 H32 Cu2 N8 O18, 6(H2 O)'
_chemical_formula_sum            'C28 H44 Cu2 N8 O24'
_chemical_formula_weight         1003.81
_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                78.546(5)
_cell_angle_beta                 84.329(5)
_cell_angle_gamma                85.907(5)
_cell_formula_units_Z            1
_cell_length_a                   9.583(5)
_cell_length_b                   9.934(5)
_cell_length_c                   10.942(5)
_cell_measurement_reflns_used    6908
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.74
_cell_volume                     1014.5(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0235
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            7052
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    1.148
_exptl_absorpt_correction_T_max  0.861
_exptl_absorpt_correction_T_min  0.823
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.643
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             518.0
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.468
_refine_diff_density_min         -0.549
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         3772
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0349
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0603P)^2^+0.5710P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0968
_refine_ls_wR_factor_ref         0.0981
_reflns_number_gt                3624
_reflns_number_total             3754
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg500900n_si_001.cif
_cod_data_source_block           5
_cod_depositor_comments
'Adding full bibliography for 4511914--4511918.cif.'
_cod_original_formula_sum        'C28 H44 Cu2 N8 O24 '
_cod_database_code               4511918