#------------------------------------------------------------------------------ #$Date: 2010-01-30 13:59:17 +0000 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: svn://www.crystallography.net/cod/cif/2/2204491.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2204491 _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _[local]_cod_cif_authors_sg_H-M 'P 21/c' loop_ _publ_author_name 'Archan Dey' 'Rahul Banerjee' _publ_section_title ; (4-Ethynylphenyl)methoxymethanimine ; _journal_issue 11 _journal_name_full 'Acta Crystallographica, Section E' _journal_page_first o2117 _journal_page_last o2118 _journal_volume 60 _journal_year 2004 _chemical_formula_iupac 'C10 H9 N O' _chemical_formula_moiety 'C10 H9 N O' _chemical_formula_sum 'C10 H9 N O' _chemical_formula_weight 159.18 _chemical_melting_point 373 _chemical_name_common (4-Ethynylphenyl)methoxymethanimine _chemical_name_systematic ; (4-Ethynylphenyl)methoxymethanimine ; _symmetry_cell_setting monoclinic _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 94.512(2) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 3.9367(5) _cell_length_b 20.461(3) _cell_length_c 10.0799(13) _cell_measurement_reflns_used 3237 _cell_measurement_temperature 100(2) _cell_measurement_theta_max 27.98 _cell_measurement_theta_min 2.26 _cell_volume 809.40(18) _computing_cell_refinement SMART _computing_data_collection 'SMART (Bruker, 1997)' _computing_data_reduction 'SAINT (Bruker, 2000)' _computing_molecular_graphics 'SHELXTL (Bruker, 2001)' _computing_publication_material SHELXTL _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.998 _diffrn_measured_fraction_theta_max 0.998 _diffrn_measurement_device_type 'Bruker SMART CCD area-detector' _diffrn_measurement_method '\f and \w' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0279 _diffrn_reflns_av_sigmaI/netI 0.0180 _diffrn_reflns_limit_h_max 4 _diffrn_reflns_limit_h_min -4 _diffrn_reflns_limit_k_max 25 _diffrn_reflns_limit_k_min -24 _diffrn_reflns_limit_l_max 12 _diffrn_reflns_limit_l_min -12 _diffrn_reflns_number 9258 _diffrn_reflns_theta_full 26.01 _diffrn_reflns_theta_max 26.01 _diffrn_reflns_theta_min 1.99 _exptl_absorpt_coefficient_mu 0.085 _exptl_absorpt_correction_T_max 0.9915 _exptl_absorpt_correction_T_min 0.9765 _exptl_absorpt_correction_type empirical _exptl_absorpt_process_details '(SADABS; Siemens, 1996)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.306 _exptl_crystal_density_method 'not measured' _exptl_crystal_description plate _exptl_crystal_F_000 336 _exptl_crystal_size_max 0.28 _exptl_crystal_size_mid 0.18 _exptl_crystal_size_min 0.10 _refine_diff_density_max 0.362 _refine_diff_density_min -0.203 _refine_ls_extinction_coef 0.010(3) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXTL _refine_ls_goodness_of_fit_ref 1.067 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 114 _refine_ls_number_reflns 1586 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.067 _refine_ls_R_factor_all 0.0498 _refine_ls_R_factor_gt 0.0426 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = 1/[\s^2^(Fo^2^)+(0.0482P)^2^+0.4532P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1072 _refine_ls_wR_factor_ref 0.1116 _reflns_number_gt 1364 _reflns_number_total 1586 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file fl6119.cif loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-1/2' loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_type_symbol O1 0.3539(3) 0.05965(5) 0.26922(11) 0.0283(3) Uani d . 1 O N1 0.5700(3) 0.16183(7) 0.24378(13) 0.0266(3) Uani d . 1 N C2 -0.0840(4) 0.15429(7) 0.83284(16) 0.0218(4) Uani d . 1 C C3 0.0494(4) 0.14635(7) 0.69972(15) 0.0214(3) Uani d . 1 C C7 0.2523(4) 0.19229(7) 0.50019(15) 0.0234(4) Uani d . 1 C H7 0.3058 0.2288 0.4509 0.028 Uiso calc R 1 H C5 0.2174(4) 0.07615(8) 0.52456(15) 0.0239(4) Uani d . 1 C H5 0.2459 0.0343 0.4913 0.029 Uiso calc R 1 H C4 0.0960(4) 0.08403(8) 0.64858(15) 0.0242(4) Uani d . 1 C H4 0.0452 0.0475 0.6982 0.029 Uiso calc R 1 H C8 0.1286(4) 0.20049(8) 0.62364(15) 0.0233(4) Uani d . 1 C H8 0.0979 0.2424 0.6563 0.028 Uiso calc R 1 H C1 -0.1802(4) 0.16001(8) 0.93319(18) 0.0287(4) Uani d . 1 C H1 -0.2606 0.1648 1.0170 0.034 Uiso calc R 1 H C6 0.2975(4) 0.13000(7) 0.44883(15) 0.0210(3) Uani d . 1 C C10 0.4614(4) 0.04424(8) 0.13995(16) 0.0309(4) Uani d . 1 C H10A 0.4021 -0.0002 0.1180 0.046 Uiso calc R 1 H H10B 0.7038 0.0496 0.1405 0.046 Uiso calc R 1 H H10C 0.3502 0.0730 0.0750 0.046 Uiso calc R 1 H C9 0.4213(4) 0.12106(8) 0.31437(15) 0.0228(4) Uani d . 1 C H1B 0.605(5) 0.2019(11) 0.292(2) 0.044(6) Uiso d . 1 H loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O1 0.0385(7) 0.0254(6) 0.0223(6) -0.0017(5) 0.0107(5) -0.0034(4) N1 0.0293(7) 0.0272(8) 0.0239(7) -0.0008(6) 0.0055(5) 0.0018(6) C2 0.0199(7) 0.0153(7) 0.0291(9) -0.0008(5) -0.0056(6) -0.0025(6) C3 0.0189(7) 0.0272(8) 0.0183(7) -0.0010(6) 0.0023(6) -0.0007(6) C7 0.0257(8) 0.0213(8) 0.0235(8) -0.0020(6) 0.0032(6) 0.0035(6) C5 0.0275(8) 0.0206(8) 0.0241(8) 0.0015(6) 0.0055(6) -0.0023(6) C4 0.0273(8) 0.0223(8) 0.0236(8) -0.0014(6) 0.0052(6) 0.0042(6) C8 0.0261(8) 0.0207(8) 0.0231(8) 0.0002(6) 0.0027(6) -0.0026(6) C1 0.0286(8) 0.0254(9) 0.0321(10) -0.0032(6) 0.0019(7) 0.0027(7) C6 0.0186(7) 0.0246(8) 0.0199(8) 0.0003(6) 0.0015(6) 0.0013(6) C10 0.0389(9) 0.0315(9) 0.0235(8) 0.0001(7) 0.0096(7) -0.0045(7) C9 0.0221(7) 0.0242(8) 0.0222(8) 0.0028(6) 0.0013(6) 0.0007(6) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O1 C9 1.3555(19) O1 C10 1.4364(19) N1 C9 1.269(2) N1 H1B 0.96(2) C2 C1 1.114(2) C2 C3 1.488(2) C3 C4 1.393(2) C3 C8 1.397(2) C7 C8 1.382(2) C7 C6 1.392(2) C7 H7 0.9300 C5 C4 1.382(2) C5 C6 1.391(2) C5 H5 0.9300 C4 H4 0.9300 C8 H8 0.9300 C1 H1 0.9300 C6 C9 1.487(2) C10 H10A 0.9600 C10 H10B 0.9600 C10 H10C 0.9600 loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C9 O1 C10 116.37(12) C9 N1 H1B 109.5(12) C1 C2 C3 179.17(17) C4 C3 C8 118.77(14) C4 C3 C2 120.00(13) C8 C3 C2 121.23(13) C8 C7 C6 120.69(14) C8 C7 H7 119.7 C6 C7 H7 119.7 C4 C5 C6 120.90(14) C4 C5 H5 119.6 C6 C5 H5 119.6 C5 C4 C3 120.42(14) C5 C4 H4 119.8 C3 C4 H4 119.8 C7 C8 C3 120.53(14) C7 C8 H8 119.7 C3 C8 H8 119.7 C2 C1 H1 180.0 C5 C6 C7 118.68(14) C5 C6 C9 120.50(14) C7 C6 C9 120.80(14) O1 C10 H10A 109.5 O1 C10 H10B 109.5 H10A C10 H10B 109.5 O1 C10 H10C 109.5 H10A C10 H10C 109.5 H10B C10 H10C 109.5 N1 C9 O1 120.52(14) N1 C9 C6 128.96(15) O1 C9 C6 110.52(13) loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion C1 C2 C3 C4 74(12) C1 C2 C3 C8 -106(12) C6 C5 C4 C3 0.4(2) C8 C3 C4 C5 -0.2(2) C2 C3 C4 C5 179.51(13) C6 C7 C8 C3 0.5(2) C4 C3 C8 C7 -0.3(2) C2 C3 C8 C7 -179.99(13) C4 C5 C6 C7 -0.2(2) C4 C5 C6 C9 -178.75(14) C8 C7 C6 C5 -0.3(2) C8 C7 C6 C9 178.26(13) C10 O1 C9 N1 0.4(2) C10 O1 C9 C6 -179.81(12) C5 C6 C9 N1 -163.99(15) C7 C6 C9 N1 17.5(2) C5 C6 C9 O1 16.22(19) C7 C6 C9 O1 -162.32(13) loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA C1 H1 N1 1_456 0.93 2.43 3.355(2) 172 _cod_database_code 2204491