Self-assembly of alkyl N-acetylglyoxylic amides of varying chain lengths
Suryanti, Venty; Bhadbhade, Mohan; Bishop, Roger; Black, David StC; Kumar, Naresh; CrystEngComm 14 (2012) 7345–; doi:10.1039/c2ce25994j

data_7214781
_publ_section_title
;
 Self-assembly of alkyl N-acetylglyoxylic amides of varying chain lengths
;
_journal_issue                   21
_journal_name_full               CrystEngComm
_journal_page_first              7345
_journal_paper_doi               10.1039/c2ce25994j
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C22 H34 N2 O3'
_chemical_formula_sum            'C23 H34 N2 O3'
_chemical_formula_weight         374.51
_chemical_name_systematic
;
?
;
_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                 91.28(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.240(5)
_cell_length_b                   5.0210(10)
_cell_length_c                   17.387(3)
_cell_measurement_reflns_used    9980
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      2.5
_cell_volume                     2115.6(7)
_computing_cell_refinement       'XDS (Kabsch, 1993)'
_computing_data_collection       'BLU-ICE (McPhillips et al, 2002)'
_computing_data_reduction        'XDS (Kabsch, 1993)'
_computing_molecular_graphics
;ORTEP-3 (Farrugia, 1997)
WINGX-32 (Farrugia, 1999)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 'ADSC Q210'
_diffrn_measured_fraction_theta_full 0.939
_diffrn_measured_fraction_theta_max 0.939
_diffrn_measurement_device_type  '3-BM1 Australian Synchrotron'
_diffrn_measurement_method       '\f scans'
_diffrn_radiation_monochromator  Si<111>
_diffrn_radiation_source         'Synchrotron BM'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0336
_diffrn_reflns_av_sigmaI/netI    0.0212
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24994
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.68
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.9985
_exptl_absorpt_correction_T_min  0.9924
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.176
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Thin plates'
_exptl_crystal_F_000             816.0
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.740
_refine_diff_density_min         -0.834
_refine_diff_density_rms         0.142
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         3480
_refine_ls_number_restraints     356
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.1305
_refine_ls_R_factor_gt           0.1295
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1765P)^2^+25.7773P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.4097
_refine_ls_wR_factor_ref         0.4101
_reflns_number_gt                3413
_reflns_number_total             3480
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25994j.txt
_cod_data_source_block           venty3a_pc
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7214781