What is responsible for conformational diversity in single-crystal tetraoxazaspiroalkanes? X-Ray, DFT, and AIM approaches
Tulyabaev, Arthur R.; Bikmukhametov, Kamil Sh.; Mescheryakova, Ekaterina S.; Makhmudiyarova, Natalia N.; Rakhimov, Rustem Sh.; Khalilov, Leonard M.; CrystEngComm 20 (2018) 3207–; doi:10.1039/C8CE00481A

data_7230672
_publ_section_title
;
 What is responsible for conformational diversity in single-crystal
 tetraoxazaspiroalkanes? X-Ray, DFT, and AIM approaches
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              3207
_journal_paper_doi               10.1039/C8CE00481A
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C23 H22 Eu N2 O13 P'
_chemical_formula_weight         717.35
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_block_doi                 10.5517/ccdc.csd.cc1pt55v
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-09-08 deposited with the CCDC.
2018-05-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.363(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.6303(12)
_cell_length_b                   17.6259(18)
_cell_length_c                   14.8517(15)
_cell_measurement_reflns_used    5356
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.997
_cell_measurement_theta_min      1.793
_cell_volume                     3043.7(5)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Smart APEX CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0396
_diffrn_reflns_av_unetI/netI     0.0468
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15319
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        24.997
_diffrn_reflns_theta_max         24.997
_diffrn_reflns_theta_min         1.793
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    2.175
_exptl_absorpt_correction_T_max  0.553
_exptl_absorpt_correction_T_min  0.491
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.565
_exptl_crystal_description       block
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          0.340
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.280
_refine_diff_density_max         0.866
_refine_diff_density_min         -0.653
_refine_diff_density_rms         0.198
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     364
_refine_ls_number_reflns         5356
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0320
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0491P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0791
_refine_ls_wR_factor_ref         0.0921
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4311
_reflns_number_total             5356
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00481a2.cif
_cod_data_source_block           EuTPO'
_cod_depositor_comments
'Adding full bibliography for 7230663--7230673.cif.'
_cod_database_code               7230672
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.525
_shelx_estimated_absorpt_t_max   0.581
_shelx_res_checksum              36984