Molecularly nonstoichiometric crystals in phosphorus compounds.
Chakravarty, Manab; Suresh, R. Rama; Swamy, K. C. Kumara; Inorganic chemistry 46 (2007) 9819–9826; doi:10.1021/ic701173x

data_4339640
_publ_section_title
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 Molecularly nonstoichiometric crystals in phosphorus compounds.
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_journal_issue                   23
_journal_name_full               'Inorganic chemistry'
_journal_page_first              9819
_journal_page_last               9826
_journal_paper_doi               10.1021/ic701173x
_journal_volume                  46
_journal_year                    2007
_chemical_formula_sum            'C25 H36 N O3 P'
_chemical_formula_weight         429.52
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                   13.443(3)
_cell_length_b                   23.013(3)
_cell_length_c                   7.885(2)
_cell_measurement_reflns_used    2211
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      1.8
_cell_volume                     2439.3(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0555
_diffrn_reflns_av_sigmaI/netI    0.0281
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            13336
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.137
_exptl_absorpt_correction_T_max  0.9837
_exptl_absorpt_correction_T_min  0.9717
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   'SADABS, Sheldrick(96)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.450
_refine_diff_density_min         -0.256
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2206
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0754
_refine_ls_R_factor_gt           0.0639
_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^)+(0.1203P)^2^+0.3295P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1735
_refine_ls_wR_factor_ref         0.1843
_reflns_number_gt                1764
_reflns_number_total             2206
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701173x.cif
_cod_data_source_block           compd13
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               4339640