Structural comparison of CuII complexes in atom transfer radical polymerization
Kickelbick, Guido; Pintauer, Tomislav; Matyjaszewski, Krzysztof; New Journal of Chemistry 26 (2002) 462–; doi:10.1039/b105454f

data_7050688
_publ_section_title
;
 Structural comparison of CuII complexes in atom transfer radical
 polymerization
;
_journal_issue                   4
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              462
_journal_paper_doi               10.1039/b105454f
_journal_volume                  26
_journal_year                    2002
_chemical_formula_sum            'C12 H23 Br2 Cu N4'
_chemical_formula_weight         446.70
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.4552(4)
_cell_length_b                   8.0865(2)
_cell_length_c                   14.6116(3)
_cell_measurement_temperature    293(2)
_cell_volume                     1826.14(8)
_computing_cell_refinement       'Siemens SAINT Software'
_computing_data_collection       'Siemens SMART Software'
_computing_data_reduction        'Siemens SAINT Software'
_computing_molecular_graphics    'Siemens SHELXTL Software'
_computing_publication_material  'Siemens SHELXTL Software'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'Siemens SMART CCD Detector'
_diffrn_measurement_method       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  0.0378
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1008
_diffrn_reflns_theta_full        20.82
_diffrn_reflns_theta_max         20.82
_diffrn_reflns_theta_min         2.52
_diffrn_standards_interval_time  20
_exptl_absorpt_coefficient_mu    5.566
_exptl_absorpt_correction_T_max  0.6644
_exptl_absorpt_correction_T_min  0.2860
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.625
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.630
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.091
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.10(4)
_refine_ls_extinction_coef       0.0009(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.126
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         1008
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.125
_refine_ls_R_factor_all          0.0377
_refine_ls_R_factor_gt           0.0358
_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^)+(0.0704P)^2^+2.9624P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0988
_refine_ls_wR_factor_ref         0.1002
_reflns_number_gt                970
_reflns_number_total             1008
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b105454f.txt
_cod_data_source_block           gkkm7
_cod_original_sg_symbol_H-M      Pca21
_cod_database_code               7050688