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_7013588
_publ_section_title
;
 A structural study of 1,8-bis(dimethyl phosphonito) naphthalene and
 related crowded chalcogeno derivatives
;
_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 O4 P2'
_chemical_formula_weight         312.22
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9148(18)
_cell_length_b                   10.292(2)
_cell_length_c                   16.755(4)
_cell_measurement_reflns_used    74
_cell_measurement_temperature    125(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      12
_cell_volume                     1537.3(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 0.975
_diffrn_measured_fraction_theta_max 0.975
_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  0.0596
_diffrn_reflns_av_sigmaI/netI    0.0401
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6058
_diffrn_reflns_theta_full        23.27
_diffrn_reflns_theta_max         23.27
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    0.292
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.604773
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             656
_exptl_crystal_size_max          .1
_exptl_crystal_size_mid          .1
_exptl_crystal_size_min          .1
_refine_diff_density_max         0.297
_refine_diff_density_min         -0.393
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.06(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         1618
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0443
_refine_ls_R_factor_gt           0.0383
_refine_ls_shift/su_max          0.035
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0634P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0887
_refine_ls_wR_factor_ref         0.0914
_reflns_number_gt                1472
_reflns_number_total             1618
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b310392g.txt
_cod_data_source_block           1
_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 2.4.1 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        1537.2(6)
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               7013588