Facile synthesis of unsymmetrical 9-phospha- and 9-arsafluorenes.
Diaz, Armando A.; Young, Jackie D.; Khan, Masood A.; Wehmschulte, Rudolf J.; Inorganic chemistry 45 (2006) 5568–5575; doi:10.1021/ic051976l

data_4350138
_publ_section_title
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 Facile synthesis of unsymmetrical 9-phospha- and 9-arsafluorenes.
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_journal_issue                   14
_journal_name_full               'Inorganic chemistry'
_journal_page_first              5568
_journal_page_last               5575
_journal_paper_doi               10.1021/ic051976l
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C23 H23 P'
_chemical_formula_weight         330.38
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                81.312(8)
_cell_angle_beta                 69.950(18)
_cell_angle_gamma                81.96(2)
_cell_formula_units_Z            4
_cell_length_a                   11.069(4)
_cell_length_b                   11.6728(15)
_cell_length_c                   15.0716(17)
_cell_measurement_reflns_used    41
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      17.23
_cell_measurement_theta_min      4.98
_cell_volume                     1800.2(8)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '2\q/\w scans'
_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  0.0254
_diffrn_reflns_av_sigmaI/netI    0.0307
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7391
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.77
_diffrn_standards_decay_%        1.7
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.153
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.48
_exptl_crystal_size_min          0.46
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.282
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       0.0068(8)
_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   1.018
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     444
_refine_ls_number_reflns         6319
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0440
_refine_ls_R_factor_gt           0.0387
_refine_ls_shift/su_max          0.048
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0452P)^2^+1.1584P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1042
_refine_ls_wR_factor_ref         0.1087
_reflns_number_gt                5631
_reflns_number_total             6319
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic051976lsi20051115_031734.cif
_cod_data_source_block           rw238a_COMPOUND_11
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1800.2(7)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4350138