Pyrazolylborate-Zinc-Nucleobase-Complexes, 3:1 Base Pairing Studies
Dirk Badura; Heinrich Vahrenkamp; Inorganic Chemistry 41 (2002) 6020–6027; doi:10.1021/ic020279f

data_4318812
_publ_section_title
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 Pyrazolylborate-Zinc-Nucleobase-Complexes, 3:1 Base Pairing Studies
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6020
_journal_page_last               6027
_journal_paper_doi               10.1021/ic020279f
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C66 H74 B N13 O2 Zn'
_chemical_formula_weight         1157.56
_chemical_name_common            Tp(CM)Zn-T*(9-Et-A)
_chemical_name_systematic
;
Hydrotris(3-cumyl-5-methyl-pyrazol-1yl)borato-zinc-thyminate-(9-ethyladenine)
;
_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                 111.66(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.11(6)
_cell_length_b                   14.02(4)
_cell_length_c                   22.78(7)
_cell_measurement_temperature    226(2)
_cell_volume                     6266(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      226(2)
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0515
_diffrn_reflns_av_sigmaI/netI    0.0782
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            55819
_diffrn_reflns_theta_full        28.67
_diffrn_reflns_theta_max         28.67
_diffrn_reflns_theta_min         1.65
_exptl_absorpt_coefficient_mu    0.446
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.227
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       isometric
_exptl_crystal_F_000             2448
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.549
_refine_diff_density_min         -0.507
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     748
_refine_ls_number_reflns         15264
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.1183
_refine_ls_R_factor_gt           0.0481
_refine_ls_shift/su_max          0.032
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0500P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1127
_refine_ls_wR_factor_ref         0.1309
_reflns_number_gt                7541
_reflns_number_total             15264
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020279f_2.cif
_cod_data_source_block           ta
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
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_cod_original_cell_volume        6265(31)
_cod_database_code               4318812