Tethered cationic alkaline earth - olefin complexes
Rosca, Sorin-Claudiu; Dorcet, Vincent; Roisnel, Thierry; Carpentier, Jean-Francois; Sarazin, Yann; Dalton Trans.  (2017) –; doi:10.1039/C7DT03300A

data_7044455
_publ_section_title
;
 Tethered cationic alkaline earth - olefin complexes
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT03300A
_journal_year                    2017
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C30 H60 F12 N4 O4 Si4 Sr2'
_chemical_formula_sum            'C30 H60 F12 N4 O4 Si4 Sr2'
_chemical_formula_weight         1056.42
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_update_record
;
2017-08-25 deposited with the CCDC.
2017-10-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.799(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.5669(6)
_cell_length_b                   17.1007(9)
_cell_length_c                   13.9454(8)
_cell_measurement_reflns_used    6871
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.40
_cell_measurement_theta_min      2.20
_cell_measurement_wavelength     0.71073
_cell_volume                     2457.3(2)
_computing_cell_refinement       'APEX3 (Bruker, 2015); SAINT (Bruker, 2014)'
_computing_data_collection       'SAINT (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics    'SXGRAPH (Farrugia, 1999), Mercury (CSD, 2016)'
_computing_publication_material  'CRYSCALC (T. Roisnel, local program, 2017)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 '(CMOS) PHOTON 100'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'D8 VENTURE Bruker AXS'
_diffrn_measurement_method       'rotation images'
_diffrn_radiation_monochromator  'multilayer monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1001
_diffrn_reflns_av_unetI/netI     0.0726
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            25392
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.481
_diffrn_reflns_theta_min         2.980
_exptl_absorpt_coefficient_mu    2.348
_exptl_absorpt_correction_T_max  0.810
_exptl_absorpt_correction_T_min  0.564
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2014). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_description       prism
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.260
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.610
_refine_diff_density_min         -1.018
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         5625
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0432
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0432P)^2^+1.2992P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0929
_refine_ls_wR_factor_ref         0.1093
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3892
_reflns_number_total             5625
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt03300a2.cif
_cod_data_source_block           SR690
_cod_database_code               7044455
_shelx_res_checksum              52048