Complexation of stable carbenes with alkali metals
Alder, Roger W.; Blake, Michael E.; Bortolotti, Christel; Bufali, Simone; Butts, Craig P.; Linehan, Emma; Oliva, Josep M.; Guy Orpen, A.; Quayle, Michael J.; Chemical Communications  (1999) 241–; doi:10.1039/a808951e

data_7110411
_publ_section_title
;
 Complexation of stable carbenes with alkali metals
;
_journal_issue                   3
_journal_name_full               'Chemical Communications'
_journal_page_first              241
_journal_paper_doi               10.1039/a808951e
_journal_year                    1999
_chemical_formula_sum            'C10 H21 B F4 N2'
_chemical_formula_weight         256.10
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           shelxl
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.434(10)
_cell_length_b                   10.467(3)
_cell_length_c                   15.389(4)
_cell_measurement_reflns_used    159
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.75
_cell_volume                     1358.5(17)
_computing_cell_refinement       'SMART (Siemens, 1995b)'
_computing_data_collection       'SMART (Siemens, 1995b)'
_computing_data_reduction        'SMART (Siemens, 1995b)'
_computing_molecular_graphics    'SHELXTL (Siemens, 1995a)'
_computing_publication_material  'SHELXTL (Siemens, 1995a)'
_computing_structure_refinement  'SHELXTL (Siemens, 1995a)'
_computing_structure_solution    'SHELXTL (Siemens, 1995a)'
_diffrn_ambient_temperature      173(2)
_diffrn_measurement_device       'Siemens SMART Area Detector'
_diffrn_measurement_method       '\w rotation with narrow frames'
_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  0.0307
_diffrn_reflns_av_sigmaI/netI    0.0419
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            8599
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         2.35
_exptl_absorpt_coefficient_mu    0.112
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.835895
_exptl_absorpt_correction_type   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_description       'Irregular Block'
_exptl_crystal_F_000             544
_exptl_crystal_size_max          .4
_exptl_crystal_size_mid          .4
_exptl_crystal_size_min          .2
_refine_diff_density_max         0.157
_refine_diff_density_min         -0.213
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'flack h d (1983), acta cryst. a39, 876-881'
_refine_ls_abs_structure_Flack   1.36(124)
_refine_ls_extinction_coef       0.0089(21)
_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_all   0.977
_refine_ls_goodness_of_fit_obs   1.046
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         3095
_refine_ls_number_restraints     94
_refine_ls_restrained_S_all      1.452
_refine_ls_restrained_S_obs      1.658
_refine_ls_R_factor_all          0.0664
_refine_ls_R_factor_obs          0.0394
_refine_ls_shift/esd_max         -0.032
_refine_ls_shift/esd_mean        0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(fo^2^)+(0.0472p)^2^+0.0000p] where p=(fo^2^+2fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0958
_refine_ls_wR_factor_obs         0.0850
_reflns_number_observed          2184
_reflns_number_total             3095
_reflns_observed_criterion       >2sigma(i)
_cod_data_source_file            808951esup1.cif
_cod_data_source_block           jim3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_refine_ls_structure_factor_coef' value 'fsqd' changed
to 'Fsqd' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_atom_site_thermal_displace_type' value 'uani' changed
to 'Uani' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26 (22 times).

'_atom_site_thermal_displace_type' value 'uiso' changed to
'Uiso' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26 (21 time).

'_atom_site_refinement_flags' value 'r' changed to 'R'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26
(20 times).

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_atom_site_refinement_flags' value 'pd' changed to 'PD' according to
the built-in table from CIF Core dictionary named 'cif_core.dic'
version 2.4.1 from 2010-06-29 (10 times).

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(fo^2^)+(0.0472p)^2^+0.0000p] where p=(fo^2^+2fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(fo^2^)+(0.0472p)^2^+0.0000p] where p=(fo^2^+2fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        1358.57(5)
_cod_original_formula_sum        'c10 h21 b f4 n2'
_cod_database_code               7110411