The influence of pressure and temperature on the crystal structure of acetone
Allan, David R.; Clark, Stewart J.; Ibberson, Richard M.; Parsons, Simon; Pulham, Colin R.; Sawyer, Lindsay; Chemical Communications  (1999) 751–; doi:10.1039/a900558g

data_7110462
_publ_section_title
;
 The influence of pressure and temperature on the crystal structure of
 acetone
;
_journal_issue                   8
_journal_name_full               'Chemical Communications'
_journal_page_first              751
_journal_paper_doi               10.1039/a900558g
_journal_year                    1999
_chemical_formula_moiety         Me2CO
_chemical_formula_sum            'C3 H6 O'
_chemical_formula_weight         58.08
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           63
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2c 2'
_symmetry_space_group_name_H-M   'C m c m'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.1219(11)
_cell_length_b                   5.2029(10)
_cell_length_c                   10.244(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      16.35
_cell_measurement_theta_min      5.12
_cell_volume                     326.29(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.296
_diffrn_measured_fraction_theta_max 0.296
_diffrn_measurement_device_type  CAD-4
_diffrn_measurement_method       Omega
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1067
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       4
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            158
_diffrn_reflns_theta_full        39.14
_diffrn_reflns_theta_max         39.14
_diffrn_reflns_theta_min         5.14
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_type
;
Analytical correction for the sample, gasket occlusion and cell.
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.182
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sphere
_exptl_crystal_F_000             128
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.137
_refine_diff_density_min         -0.137
_refine_diff_density_rms         0.039
_refine_ls_extinction_coef       0.008(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.907
_refine_ls_hydrogen_treatment    'Rotating rigid group'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     17
_refine_ls_number_reflns         158
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.907
_refine_ls_R_factor_all          0.1670
_refine_ls_R_factor_gt           0.0560
_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^)+(0.0255P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0805
_refine_ls_wR_factor_ref         0.0982
_reflns_number_gt                63
_reflns_number_total             158
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            900558gsup1.cif
_cod_data_source_block           HPCMCM
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_atom_sites_solution_hydrogens' value 'difference map' was changed
to 'difmap'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      Cmcm
_cod_database_code               7110462