2β,3β-Epoxy-α-<i>trans</i>-himachalene and 2β,3β,11α,15α-Diepoxy-<i>trans</i>-himachalane Derivatives
Benharref, A.; El Jamili, H.; Lassaba, E.; Giorgi, M.; Pierrot, M.; Acta Crystallographica Section C 51 (1995) 2658–2661; doi:10.1107/S0108270195009024

data_2004308
_publ_section_title
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 2\b,3\b-Epoxy-\a-<i>trans</i>-himachalene and
 2\b,3\b,11\a,15\a-Diepoxy-<i>trans</i>-himachalane Derivatives
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_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              2658
_journal_page_last               2661
_journal_paper_doi               10.1107/S0108270195009024
_journal_volume                  51
_journal_year                    1995
_chemical_formula_sum            'C15 H24 O2'
_chemical_formula_weight         236.36
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.711(1)
_cell_length_b                   12.562(2)
_cell_length_c                   13.989(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293
_cell_measurement_theta_max      16
_cell_measurement_theta_min      12
_cell_volume                     1355.1(3)
_diffrn_measurement_device       CAD-4
_diffrn_measurement_method       '\w/2\q scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.038
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1808
_diffrn_reflns_theta_max         26
_diffrn_standards_decay_%        1.5
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.697
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.158
_exptl_crystal_description       prismatic
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.18
_refine_diff_density_min         -0.23
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   0.712
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     154
_refine_ls_number_reflns         1033
_refine_ls_R_factor_obs          0.050
_refine_ls_shift/esd_max         0.12
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/\s^2^(F)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.050
_reflns_number_observed          1033
_reflns_number_total             1312
_reflns_observed_criterion       I>3\s(I)
_cod_data_source_file            pa1169.cif
_cod_data_source_block           4
_cod_depositor_comments
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The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value ' 1/\s^2^(F)' was changed to
'calc'. New tag '_refine_ls_weighting_details' was created. The value
of the new tag was set to 'w = 1/\s^2^(F)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
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_cod_database_code               2004308