C19H31BF4N2
Butts, Craig; Coles, Simon J.; Hursthouse, Michael B.; Crystal Structure Report Archive  (2003) 959–; doi:

data_1519535
_publ_section_title
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 C19H31BF4N2
;
_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              959
_journal_year                    2003
_chemical_formula_sum            'C19 H31 B F4 N2'
_chemical_formula_weight         374.27
_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                71.383(2)
_cell_angle_beta                 87.972(3)
_cell_angle_gamma                62.935(3)
_cell_formula_units_Z            2
_cell_length_a                   9.5060(3)
_cell_length_b                   9.9913(5)
_cell_length_c                   13.4646(8)
_cell_measurement_reflns_used    6272
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.10
_cell_measurement_theta_min      2.91
_cell_volume                     1070.01(10)
_computing_cell_refinement       'DENZO and COLLECT'
_computing_data_collection
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'DENZO (Otwinowski and Minor, 1997) & COLLECT (Hooft, 1998) '
;
_computing_data_reduction        'DENZO and COLLECT'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Enraf Nonius KappaCCD area detector'
_diffrn_measurement_method       '\w and \f scans to fill Ewald sphere'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enraf Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0649
_diffrn_reflns_av_sigmaI/netI    0.0616
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14127
_diffrn_reflns_theta_full        27.19
_diffrn_reflns_theta_max         27.19
_diffrn_reflns_theta_min         3.08
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9945
_exptl_absorpt_correction_T_min  0.9471
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (R.H. Blessing, 1995, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.162
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       slab
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.265
_refine_diff_density_min         -0.234
_refine_diff_density_rms         0.039
_refine_ls_extinction_coef       0.047(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         4658
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.1401
_refine_ls_R_factor_gt           0.0730
_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^)+(0.1255P)^2^+0.1348P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2087
_refine_ls_wR_factor_ref         0.2518
_reflns_number_gt                2398
_reflns_number_total             4658
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            eCrystal-959.cif
_cod_data_source_block           s92
_cod_depositor_comments
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Citation :
Butts, Craig and Coles, Simon J. and Hursthouse, Michael B. (2003) 
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/959)

More at:
http://ecrystals.chem.soton.ac.uk/959/

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to the built-in table from CIF Core dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 
;
_cod_original_cell_volume        1070.01(9)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1519535