Potassium and Well-Defined Neutral and Cationic Calcium Fluoroalkoxide Complexes: Structural Features and Reactivity
Roşca, Sorin-Claudiu; Roisnel, Thierry; Dorcet, Vincent; Carpentier, Jean-François; Sarazin, Yann; Organometallics 33 (2014) 5630–; doi:10.1021/om500343w

data_4083351
_publ_section_title
;
 Potassium and Well-Defined Neutral and Cationic Calcium Fluoroalkoxide
 Complexes: Structural Features and Reactivity
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5630
_journal_paper_doi               10.1021/om500343w
_journal_volume                  33
_journal_year                    2014
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C28 H60 Ca2 F12 N4 O6 Si4'
_chemical_formula_sum            'C28 H60 Ca2 F12 N4 O6 Si4'
_chemical_formula_weight         969.32
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2013-07-19T14:46:22-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                69.105(4)
_cell_angle_beta                 76.540(4)
_cell_angle_gamma                62.713(3)
_cell_formula_units_Z            1
_cell_length_a                   10.5765(9)
_cell_length_b                   10.9923(11)
_cell_length_c                   11.9713(12)
_cell_measurement_reflns_used    1565
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.18
_cell_measurement_theta_min      2.4
_cell_measurement_wavelength     0.71073
_cell_volume                     1151.54(19)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2006)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2006)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2006)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material
;
           WinGX publication routines (Farrugia, 2012),
           CRYSCAL (T. Roisnel, local program)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0374
_diffrn_reflns_av_unetI/netI     0.0422
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            18378
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.440
_exptl_absorpt_correction_T_max  0.936
_exptl_absorpt_correction_T_min  0.833
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.398
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             508
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.315
_refine_diff_density_min         -0.297
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         5237
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.0506
_refine_ls_R_factor_gt           0.0345
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0318P)^2^+0.3245P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.074
_refine_ls_wR_factor_ref         0.08
_reflns_number_gt                4142
_reflns_number_total             5237
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500343w_si_003.cif
_cod_data_source_block           {RO2}CaN{SiMe2H}2
_cod_database_code               4083351