C13H27HfSi2, C19H3BF15, C7H8
Bochmann, Manfred; Coles, Simon J.; Hursthouse, Michael B.; Crystal Structure Report Archive  (1994) 1200–; doi:

data_1519136
_publ_section_title
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 C13H27HfSi2, C19H3BF15, C7H8
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_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              1200
_journal_year                    1994
_chemical_formula_moiety         'C13 H27 Hf Si2, C19 H3 B F15, C7 H8 '
_chemical_formula_sum            'C39 H38 B F15 Hf Si2'
_chemical_formula_weight         1037.17
_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
_cell_angle_alpha                95.06(4)
_cell_angle_beta                 95.64(5)
_cell_angle_gamma                105.50(3)
_cell_formula_units_Z            2
_cell_length_a                   11.289(7)
_cell_length_b                   12.891(8)
_cell_length_c                   14.531(8)
_cell_measurement_temperature    120(2)
_cell_volume                     2013(2)
_computing_cell_refinement       REFINE
_computing_data_collection       'MADNES (Pflugrath & Messerschmidt, 1989)'
_computing_data_reduction        'ABSURD (Karaulov, 1992)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution
'SIR92 (Altomare, Cascarano, Giacovazzo & Guagliardi, 1993)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.803
_diffrn_measured_fraction_theta_max 0.803
_diffrn_measurement_device_type  'Delft instruments FAST area detector'
_diffrn_measurement_method
'Intensity measurements as described by Darr, Drake, Hursthouse & Malik (1993)'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode generator'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0712
_diffrn_reflns_av_sigmaI/netI    0.0766
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8731
_diffrn_reflns_theta_full        24.96
_diffrn_reflns_theta_max         24.96
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    2.749
_exptl_absorpt_correction_T_max  0.5028
_exptl_absorpt_correction_T_min  0.4378
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (R.H.Blessing, 1995, 1997)'
_exptl_crystal_colour            unk
_exptl_crystal_density_diffrn    1.711
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       unk
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.29
_refine_diff_density_max         1.513
_refine_diff_density_min         -1.258
_refine_diff_density_rms         0.159
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         5678
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0451
_refine_ls_R_factor_gt           0.0396
_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^)+(0.0487P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0958
_refine_ls_wR_factor_ref         0.0971
_reflns_number_gt                5010
_reflns_number_total             5678
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            eCrystal-1200.cif
_cod_data_source_block           94src242
_cod_depositor_comments
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Citation :
Bochmann, Manfred and Coles, Simon J. and Hursthouse, Michael B. (1994) 
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/1200)

http://ecrystals.chem.soton.ac.uk/1200/
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_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1519136