1-Acetyl-5,6-dimethoxyindoline at 123 K
Cheng, Xiang-Wei; Acta Crystallographica Section E 64 (2008) o1309–; doi:10.1107/S1600536808017376

data_2218839
_publ_section_title
;
 1-Acetyl-5,6-dimethoxyindoline at 123 K
;
_journal_coeditor_code           WK2084
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1309
_journal_paper_doi               10.1107/S1600536808017376
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C12 H15 N O3'
_chemical_formula_moiety         'C12 H15 N O3'
_chemical_formula_sum            'C12 H15 N O3'
_chemical_formula_weight         221.25
_chemical_name_systematic
;
1-Acetyl-5,6-dimethoxyindoline
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.541(4)
_cell_length_b                   6.9572(15)
_cell_length_c                   8.5582(17)
_cell_measurement_reflns_used    1054
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.2
_cell_volume                     1104.0(4)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        'SAINT (Bruker, 2002)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0257
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            11013
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.9764
_exptl_absorpt_correction_T_min  0.9627
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2002)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.407
_refine_diff_density_min         -0.592
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.403
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     97
_refine_ls_number_reflns         1054
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.583
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0572
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0677P)^2^+0.2P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1450
_refine_ls_wR_factor_ref         0.1481
_reflns_number_gt                964
_reflns_number_total             1054
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wk2084.cif
_cod_data_source_block           I
_cod_depositor_comments
;
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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z 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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1103.9(4)
_cod_database_code               2218839
_cod_database_fobs_code          2218839