Crystal packing in the 2-R,4-oxo-[1,3-a/b]-naphthodioxanes – Hirshfeld surface analysis and melting point correlation
Grabowsky, Simon; Dean, Pamela M.; Skelton, Brian W.; Sobolev, Alexandre N.; Spackman, Mark A.; White, Allan H.; CrystEngComm 14 (2012) 1083–; doi:10.1039/c2ce06393j

data_7207266
_publ_section_title
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 Crystal packing in the 2-R,4-oxo-[1,3-a/b]-naphthodioxanes -- Hirshfeld
 surface analysis and melting point correlation
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_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              1083
_journal_paper_doi               10.1039/c2ce06393j
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C12 H8 O3'
_chemical_formula_sum            'C12 H8 O3'
_chemical_formula_weight         200.18
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
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_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90.0
_cell_angle_beta                 100.161(4)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   20.0779(8)
_cell_length_b                   6.2280(3)
_cell_length_c                   7.2121(3)
_cell_measurement_reflns_used    3322
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      37.18
_cell_measurement_theta_min      2.87
_cell_volume                     887.69(7)
_computing_cell_refinement
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
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_computing_data_collection
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
;
_computing_data_reduction
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
;
_computing_molecular_graphics    'X-Seed 2.0 (Barbour, 2001)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.0009
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.949
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur-S, Sapphire CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0264
_diffrn_reflns_av_sigmaI/netI    0.0626
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9430
_diffrn_reflns_theta_full        35.00
_diffrn_reflns_theta_max         37.26
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.92108
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.498
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.595
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_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         4379
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0976
_refine_ls_R_factor_gt           0.0538
_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^)+(0.0540P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1122
_refine_ls_wR_factor_ref         0.1209
_reflns_number_gt                2657
_reflns_number_total             4379
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06393j.txt
_cod_data_source_block           ppb357
_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      'P 21/c'
_cod_database_code               7207266