Synthetic Studies toward Polytwistane Hydrocarbon Nanorods.
Olbrich, Martin; Mayer, Peter; Trauner, Dirk; The Journal of organic chemistry 80 (2015) 2042–2055; doi:10.1021/jo502618g

data_4030417
_publ_section_title
;
 Synthetic Studies toward Polytwistane Hydrocarbon Nanorods.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2042
_journal_page_last               2055
_journal_paper_doi               10.1021/jo502618g
_journal_volume                  80
_journal_year                    2015
_chemical_formula_moiety         'C17 H18 N4 O4'
_chemical_formula_sum            'C17 H18 N4 O4'
_chemical_formula_weight         342.349
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_block_code                C17H18N4O4_qn154_trauner
_audit_creation_date             01-Jun-12
_audit_creation_method           'form98_non/compatible with shelxl97-2'
_audit_update_record             13-Jun-12
_cell_angle_alpha                90.00
_cell_angle_beta                 110.904(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5480(5)
_cell_length_b                   20.8588(10)
_cell_length_c                   7.6700(3)
_cell_measurement_reflns_used    5523
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.350
_cell_measurement_theta_min      3.134
_cell_volume                     1576.47(12)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_structure_refinement
;
Sheldrick, G. M. (2008).
<i>Acta Cryst.</i> A<b>64</b>, 112--122.
;
_computing_structure_solution
;
A. Altomare, M. C. Burla, M. Camalli, G. L. Cascarano, C. Giacovazzo, A.
Guagliardi, A. G. G. Moliterni, G. Polidori, R. Spagna: SIR97: a new tool for
crystal structure determination and refinement; J. Appl. Crystallogr. 1999,
32, 115-119.
;
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD; rotation images'
_diffrn_orient_matrix_type       'by Bruker AXS Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      -0.0585521
_diffrn_orient_matrix_UB_12      0.0232062
_diffrn_orient_matrix_UB_13      -0.0879926
_diffrn_orient_matrix_UB_21      -0.1219447
_diffrn_orient_matrix_UB_22      -0.0213173
_diffrn_orient_matrix_UB_23      -0.0129549
_diffrn_orient_matrix_UB_31      -0.0343409
_diffrn_orient_matrix_UB_32      0.0361306
_diffrn_orient_matrix_UB_33      0.0488729
_diffrn_radiation_collimation    0.20
_diffrn_radiation_monochromator  'MONTEL, graded multilayered X-ray optics'
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0523
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            10564
_diffrn_reflns_theta_full        25.46
_diffrn_reflns_theta_max         25.46
_diffrn_reflns_theta_min         3.45
_diffrn_source_current           55.00
_diffrn_source_power             3.025
_diffrn_source_type              'FR 591 generator'
_diffrn_source_voltage           55.00
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.44244(11)
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.127
_refine_diff_density_min         -0.413
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         2887
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.1401
_refine_ls_R_factor_gt           0.1035
_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^)+(0.1190P)^2^+3.9357P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2705
_refine_ls_wR_factor_ref         0.2965
_reflns_number_gt                1974
_reflns_number_total             2887
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo502618g_si_002.cif
_cod_data_source_block           compoundS11
_cod_depositor_comments
'Adding full bibliography for 4030407--4030418.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4030417