Magnesiacycloalkanes with Different Ring Sizes
Fischer, Reinald; Görls, Helmar; Langer, Jens; Enke, Marcel; Westerhausen, Matthias; Organometallics 35 (2016) 587–; doi:10.1021/acs.organomet.5b01010

data_4088323
_publ_section_title
;
 Magnesiacycloalkanes with Different Ring Sizes
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              587
_journal_paper_doi               10.1021/acs.organomet.5b01010
_journal_volume                  35
_journal_year                    2016
_chemical_formula_moiety         'C24 H52 Mg2 O4 Si2'
_chemical_formula_sum            'C24 H52 Mg2 O4 Si2'
_chemical_formula_weight         509.46
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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
_cell_angle_beta                 116.235(1)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.2073(3)
_cell_length_b                   22.8723(4)
_cell_length_c                   17.6645(3)
_cell_measurement_reflns_used    35834
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.38
_cell_volume                     6236.07(19)
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0462
_diffrn_reflns_av_sigmaI/netI    0.0485
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            35838
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    0.178
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6797
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-AXS, 2002'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.085
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2240
_exptl_crystal_size_max          0.116
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.098
_refine_diff_density_max         0.750
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     595
_refine_ls_number_reflns         14245
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.1007
_refine_ls_R_factor_gt           0.0711
_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^)+(0.0335P)^2^+10.7310P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1428
_refine_ls_wR_factor_ref         0.1591
_reflns_number_gt                10559
_reflns_number_total             14245
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b01010_si_002.cif
_cod_data_source_block           FO4618
_cod_original_cell_volume        6236.06(19)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4088323