Crystal conformations and molecular packing of (S)-2-methoxy-2-(9-phenanthryl)propanoic acid and a diastereomeric amide prepared from (R)-2-methoxy-2-(1-naphthyl)propanoic acid
Ichikawa, Akio; Ono, Hiroshi; Takenaka, Makiko; Mikata, Yuji; CrystEngComm 12 (2010) 2261–; doi:10.1039/b926356j

data_7212384
_publ_section_title
;
 Crystal conformations and molecular packing of
 (S)-2-methoxy-2-(9-phenanthryl)propanoic acid and a diastereomeric amide
 prepared from (R)-2-methoxy-2-(1-naphthyl)propanoic acid
;
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              2261
_journal_paper_doi               10.1039/b926356j
_journal_volume                  12
_journal_year                    2010
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C18 H16 O3 '
_chemical_formula_sum            'C18 H16 O3'
_chemical_formula_weight         280.32
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   7.3882(9)
_cell_length_b                   12.1092(16)
_cell_length_c                   16.307(2)
_cell_measurement_reflns_used    4496
_cell_measurement_temperature    123.1
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     1458.9(3)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  SHELXL
_computing_structure_solution    SHELXS97
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.017
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11400
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.838
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       unknown
_exptl_crystal_F_000             592.00
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.17
_refine_diff_density_min         -0.15
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881. 1415 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.1(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3344
_refine_ls_R_factor_gt           0.0299
_refine_ls_shift/su_max          0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0504P)^2^+0.0504P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0799
_reflns_number_gt                3222
_reflns_number_total             3344
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            b926356j.txt
_cod_data_source_block           (S)-M9PPacid-090918
_cod_original_formula_sum        'C18 H16 O3 '
_cod_database_code               7212384