Synthesis and Molecular Structures of Meta-Substituted Arylcalcium Iodides
Köhler, Mathias; Langer, Jens; Görls, Helmar; Westerhausen, Matthias; Organometallics 31 (2012) 8647–; doi:10.1021/om301087e

data_4079765
_publ_section_title
;
 Synthesis and Molecular Structures of Meta-Substituted Arylcalcium
 Iodides
;
_journal_issue                   24
_journal_name_full               Organometallics
_journal_page_first              8647
_journal_paper_doi               10.1021/om301087e
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C22 H36 Ca Cl I O4'
_chemical_formula_sum            'C22 H36 Ca Cl I O4'
_chemical_formula_weight         566.94
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   7.9202(5)
_cell_length_b                   10.2280(7)
_cell_length_c                   31.556(2)
_cell_measurement_reflns_used    9019
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      2.58
_cell_volume                     2556.3(3)
_computing_cell_refinement       DENZO
_computing_data_collection       COLLECT
_computing_data_reduction        DENZO
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.947
_diffrn_measured_fraction_theta_max 0.947
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi- + omega-scan'
_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  0.0542
_diffrn_reflns_av_sigmaI/netI    0.0638
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            9019
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.58
_exptl_absorpt_coefficient_mu    1.581
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.473
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.563
_refine_diff_density_min         -0.524
_refine_diff_density_rms         0.117
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.09(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.291
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3970
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.291
_refine_ls_R_factor_all          0.1001
_refine_ls_R_factor_gt           0.0739
_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^)+(0.0000P)^2^+13.1664P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1185
_refine_ls_wR_factor_ref         0.1291
_reflns_number_gt                3240
_reflns_number_total             3970
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om301087e_si_001.cif
_cod_data_source_block           FO4840
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4079765