Molecular packing and morphological stability of dihydro-indeno[1,2-b]fluorenes in the context of their substitution pattern
Hempe, M.; Reggelin, M.; RSC Adv. 7 (2017) 47183–; doi:10.1039/C7RA09401A

data_7229296
_publ_section_title
;
 Molecular packing and morphological stability of
 dihydro-indeno[1,2-b]fluorenes in the context of their substitution
 pattern
;
_journal_issue                   75
_journal_name_full               'RSC Adv.'
_journal_page_first              47183
_journal_paper_doi               10.1039/C7RA09401A
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C42 H42'
_chemical_formula_sum            'C42 H42'
_chemical_formula_weight         546.75
_space_group_crystal_system      monoclinic
_space_group_IT_number           9
_space_group_name_Hall           'C -2yc'
_space_group_name_H-M_alt        'C 1 c 1'
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2017-08-14 deposited with the CCDC.
2017-10-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 118.63(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.416(2)
_cell_length_b                   20.078(2)
_cell_length_c                   12.162(2)
_cell_measurement_reflns_used    2075
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      2.69
_cell_volume                     3304.1(10)
_computing_cell_refinement
;
CrysAlis RED (Oxford Diffraction Ltd., 2009)
;
_computing_data_collection
;
CrysAlis CCD (Oxford Diffraction Ltd., 2009)
;
_computing_data_reduction
;
CrysAlis RED (Oxford Diffraction Ltd., 2009)
;
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type
;  
Oxford Diffraction Xcalibur (TM) Single Crystal X-ray Diffractometer 
with Sapphire CCD Detector.
;
_diffrn_measurement_method
;
Rotation method data acquisition using omega scans.
;
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0322
_diffrn_reflns_av_unetI/netI     0.0418
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6266
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.185
_diffrn_reflns_theta_min         2.785
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.979
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd., 2009
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.099
_exptl_crystal_description       prism
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.340
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.160
_refine_diff_density_max         0.134
_refine_diff_density_min         -0.156
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
;
 Flack x determined using 521 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -6.3(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         3703
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0766
_refine_ls_R_factor_gt           0.0478
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+0.8436P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0957
_refine_ls_wR_factor_ref         0.1092
_reflns_Friedel_coverage         0.246
_reflns_Friedel_fraction_full    0.245
_reflns_Friedel_fraction_max     0.247
_reflns_number_gt                2729
_reflns_number_total             3703
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ra09401a2.cif
_cod_data_source_block           1326m
_cod_original_cell_volume        3304.1(9)
_cod_database_code               7229296
_shelx_estimated_absorpt_t_min   0.979
_shelx_estimated_absorpt_t_max   0.990
_shelxl_version_number           2014/6
_shelx_res_checksum              38679
_shelx_hkl_checksum              84119