Conformational behaviour of 3-methyl-4-(4-methylbenzoyl)-1-phenyl-pyrazol-5-one: a sudden story of three desmotrops
Kurteva, Vanya; Shivatchev, Boris; Petrova, Rosica; Antonov, Liudmil; Lubenov, Lubomir A.; Atanassova, Maria; Simova, Svetlana; RSC Adv.  (2015) –; doi:10.1039/C5RA11858A

data_7221881
_publ_section_title
;
 Conformational behaviour of
 3-methyl-4-(4-methylbenzoyl)-1-phenyl-pyrazol-5-one: a sudden story of
 three desmotrops
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA11858A
_journal_year                    2015
_chemical_formula_moiety         'C18 H16 N2 O2'
_chemical_formula_sum            'C18 H16 N2 O2'
_chemical_formula_weight         292.33
_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   geom
_audit_creation_date             2015-02-26T12:46:56-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2015-06-15 deposited with the CCDC.
2015-08-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.913(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.3847(5)
_cell_length_b                   5.2035(2)
_cell_length_c                   18.2280(7)
_cell_measurement_reflns_used    4196
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      29.4410
_cell_measurement_theta_min      2.8523
_cell_volume                     1459.04(9)
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      290(2)
_diffrn_detector_area_resol_mean 10.3974
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.88
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0331
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.88
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11783
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.88
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         29.506
_diffrn_reflns_theta_min         3.439
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.900
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.15 (release 03-08-2011 CrysAlis171 .NET)
(compiled Aug  3 2011,13:03:54)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         3580
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0845
_refine_ls_R_factor_gt           0.0516
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0556P)^2^+0.4152P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1255
_refine_ls_wR_factor_ref         0.1423
_reflns_number_gt                2395
_reflns_number_total             3580
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ra11858a2.cif
_cod_data_source_block           exp_1
_cod_database_code               7221881
_shelx_res_checksum              88442
_shelx_hkl_checksum              75448