Rich Polymorphism in Triacetone-Triperoxide
Reany, Ofer; Kapon, Moshe; Botoshansky, Mark; Keinan, Ehud; Crystal Growth & Design 9 (2009) 3661–; doi:10.1021/cg900390y

data_4509586
_publ_section_title
;
 Rich Polymorphism in Triacetone-Triperoxide
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3661
_journal_paper_doi               10.1021/cg900390y
_journal_volume                  9
_journal_year                    2009
_chemical_formula_sum            'C9 H18 O6'
_chemical_formula_weight         222.23
_chemical_name_common            'keian-34 (Reany)'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 117.22(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   11.964(2)
_cell_length_b                   28.083(6)
_cell_length_c                   15.600(3)
_cell_measurement_reflns_used    33271
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.01
_cell_measurement_theta_min      1.45
_cell_volume                     4661(2)
_computing_cell_refinement       'DENZO HKL2000 (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius, 2006)'
_computing_data_reduction        'DENZO HKL2000 (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'TEXSAN  (MSC, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Nonius KappaCCD'
_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  0.0700
_diffrn_reflns_av_sigmaI/netI    0.0714
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            33271
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.45
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1920
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     541
_refine_ls_number_reflns         8139
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.1434
_refine_ls_R_factor_gt           0.0632
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0875P)^2^+3.1400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1943
_refine_ls_wR_factor_ref         0.2154
_reflns_number_gt                4018
_reflns_number_total             8139
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg900390ysup5.cif
_cod_data_source_block           Keinan-34
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4509586