A structural study of 1,8-bis(dimethyl phosphonito) naphthalene and related crowded chalcogeno derivatives
Kilian, Petr; Slawin, Alexandra M. Z.; Woollins, J. Derek; Dalton Transactions  (2003) 3876–; doi:10.1039/b310392g

data_7013592
_publ_section_title
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 A structural study of 1,8-bis(dimethyl phosphonito) naphthalene and
 related crowded chalcogeno derivatives
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_journal_issue                   20
_journal_name_full               'Dalton Transactions'
_journal_page_first              3876
_journal_paper_doi               10.1039/b310392g
_journal_year                    2003
_chemical_formula_sum            'C14 H18 O6 P2'
_chemical_formula_weight         344.22
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 112.762(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.286(3)
_cell_length_b                   8.2010(15)
_cell_length_c                   16.068(3)
_cell_measurement_reflns_used    117
_cell_measurement_temperature    125(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      12
_cell_volume                     1614.4(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      125(2)
_diffrn_detector_area_resol_mean 0.83
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0227
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            6593
_diffrn_reflns_theta_full        23.28
_diffrn_reflns_theta_max         23.28
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    0.294
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.810135
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             720
_exptl_crystal_size_max          .15
_exptl_crystal_size_mid          .05
_exptl_crystal_size_min          .05
_refine_diff_density_max         0.290
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       0.0031(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   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     204
_refine_ls_number_reflns         2269
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0347
_refine_ls_R_factor_gt           0.0296
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0460P)^2^+0.4302P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0740
_refine_ls_wR_factor_ref         0.0769
_reflns_number_gt                1988
_reflns_number_total             2269
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b310392g.txt
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'MULTISCAN' changed to
'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1614.4(5)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7013592