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_7207263
_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         'C15 H14 O3'
_chemical_formula_sum            'C15 H14 O3'
_chemical_formula_weight         242.26
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_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 117.532(6)
_cell_angle_gamma                90.0
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_cell_length_a                   22.438(1)
_cell_length_b                   7.1267(2)
_cell_length_c                   16.9373(7)
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_cell_measurement_theta_max      37.3
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_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)
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_computing_molecular_graphics    'X-Seed 2.0 (Barbour, 2001)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.0009
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.962
_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  0.0332
_diffrn_reflns_av_sigmaI/netI    0.0500
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -37
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_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            24817
_diffrn_reflns_theta_full        35.00
_diffrn_reflns_theta_max         37.38
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.98407
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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    1.340
_exptl_crystal_density_meas      ?
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_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.511
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_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         6027
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0828
_refine_ls_R_factor_gt           0.0477
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0530P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1073
_refine_ls_wR_factor_ref         0.1136
_reflns_number_gt                3786
_reflns_number_total             6027
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06393j.txt
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_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_cell_volume        2401.70(16)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7207263