Coordination Behavior of Calcocene and Its Use as a Synthon for Heteroleptic Organocalcium Compounds
Fischer, Reinald; Langer, Jens; Krieck, Sven; Görls, Helmar; Westerhausen, Matthias; Organometallics 30 (2011) 1359–; doi:10.1021/om100806f

data_4063669
_publ_section_title
;
 Coordination Behavior of Calcocene and Its Use as a Synthon for
 Heteroleptic Organocalcium Compounds
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1359
_journal_paper_doi               10.1021/om100806f
_journal_volume                  30
_journal_year                    2011
_chemical_formula_moiety         'C15 H25 Ca O5, C19 H23 Ca O '
_chemical_formula_sum            'C34 H48 Ca2 O6'
_chemical_formula_weight         632.88
_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                66.436(3)
_cell_angle_beta                 76.088(4)
_cell_angle_gamma                88.291(4)
_cell_formula_units_Z            2
_cell_length_a                   8.3531(4)
_cell_length_b                   14.9282(9)
_cell_length_c                   15.4448(9)
_cell_measurement_reflns_used    12357
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.50
_cell_volume                     1708.77(17)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  KappaPC
_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  0.0611
_diffrn_reflns_av_sigmaI/netI    0.1569
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            12357
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.50
_exptl_absorpt_coefficient_mu    0.374
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.388
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.950
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         7750
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.950
_refine_ls_R_factor_all          0.1646
_refine_ls_R_factor_gt           0.0637
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0581P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1170
_refine_ls_wR_factor_ref         0.1495
_reflns_number_gt                3798
_reflns_number_total             7750
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100806f_si_001.cif
_cod_data_source_block           FO3913
_cod_original_cell_volume        1708.78(16)
_cod_database_code               4063669