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_4079766
_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         'C26 H39 Ca I O4'
_chemical_formula_sum            'C26 H39 Ca I O4'
_chemical_formula_weight         582.55
_space_group_IT_number           8
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2y'
_symmetry_space_group_name_H-M   'C 1 m 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                 99.737(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.1149(4)
_cell_length_b                   13.5272(3)
_cell_length_c                   8.3474(3)
_cell_measurement_reflns_used    4152
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      3.01
_cell_volume                     1348.27(7)
_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 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0195
_diffrn_reflns_av_sigmaI/netI    0.0296
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            4152
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    1.405
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.435
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.06
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.424
_refine_diff_density_rms         0.058
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.028(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     166
_refine_ls_number_reflns         2419
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0223
_refine_ls_R_factor_gt           0.0219
_refine_ls_shift/su_max          0.027
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+2.4432P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0484
_refine_ls_wR_factor_ref         0.0486
_reflns_number_gt                2397
_reflns_number_total             2419
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om301087e_si_001.cif
_cod_data_source_block           FO4558
_cod_original_sg_symbol_H-M      'C m'
_cod_database_code               4079766