data_global _journal_coden_Cambridge 177 _journal_volume ? _journal_page_first ? _journal_year ? loop_ _publ_author_name _publ_author_address _publ_author_footnote 'Jeremy Robertson' ; ? # Address for author 1 ; ; ? #footnote for author 1 ; 'Stuart P Green' ; ? # Address 2 ; ; ? # footnote 2 ; 'Michael J Hall' '' '' 'Andrew J. Tyrrell' '' '' 'William P. Unsworth' '' '' _publ_contact_author_name 'Jeremy Robertson' _publ_contact_author_email JEREMY.ROBERTSON@CHEM.OX.AC.UK _publ_section_title ; Further studies on silatropic carbonyl ene cyclisations: b-crotyl(diphenyl)silyloxy aldehyde substrates; synthesis of 2-deoxy-2-C-phenylhexoses ; _journal_coden_ASTM ? _journal_coeditor_code ? _journal_coeditor_name ? _journal_coeditor_notes ; ? ; _journal_date_accepted ? _journal_date_from_coeditor ? _journal_date_printers_final ? _journal_date_printers_first ? _journal_date_proofs_in ? _journal_date_proofs_out ? #============================================================================= # 2. PROCESSING SUMMARY (IUCr Office Use Only) _journal_date_recd_electronic ? _journal_date_to_coeditor ? _journal_issue ? _journal_name_full ? _journal_page_last ? _journal_suppl_publ_number ? _journal_suppl_publ_pages ? _journal_techeditor_code ? _journal_techeditor_notes ; ? ; _publ_contact_author_address ; Chemical Crystallography Laboratory 9 Parks Road OXFORD OX1 3PD ; _publ_contact_author_fax ' 01865 272 699 ' _publ_contact_author_phone ' 01865 270 826 ' # 4171704 Compound X # Check this file using the IUCr facility at: # http://www/iucr.ac.uk/iucr-top/journals/acta/c/services/checkcif.html #**************************************************************************** # The contents of this file between this point and the next #***** line # are held in the file REFCIF.DAT # This is a character file which you may edit to reflect local conditions # # Items which need looking at are represented by a '?' # Items for which there are choices are prefixed with 'choose from' # # 1. SUBMISSION DETAILS _publ_contact_letter ; Please consider this CIF submission for publication as a Short Format Paper in Acta Crystallographica C. The figures have been sent by mail. ; _publ_requested_category CO # choose from: FI FM FO CI CM CO AD# _publ_requested_coeditor_name ' Prof William Clegg ' _publ_requested_journal 'Section C' # Attachment 'mh2.cif' data_CRYSTALS_cif _database_code_depnum_ccdc_archive 'CCDC 682308' _audit_creation_date 02-17-04 _audit_creation_method CRYSTALS_ver_12-03-99 #============================================================================== # 4. TEXT _publ_section_abstract #Text of the abstract ; ? ; _publ_section_comment #Text of the paper ; ? ; _publ_section_acknowledgements # Acknowledgments ; ? ; _publ_section_figure_captions #Captions to figures ; ? ; _publ_section_exptl_refinement # see also _refine_ls_hydrogen for refinement keywords. ; H atoms placed geometrically after each cycle ; _publ_section_exptl_prep ; ? ; #========================================================================== _chemical_name_systematic # IUPAC name, in full ; ? ; _chemical_melting_point 'not measured' # choose from 'full, fullcycle, atomblock, userblock, diagonal, sparse' _refine_ls_matrix_type full # choose from 'heavy, direct, difmap, geom' _atom_sites_solution_primary direct # _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom # choose from 'none, undef, noref, refall, refxyz, refU, constr, mixed' _refine_ls_hydrogen_treatment noref #**************************************************************************** # General computing #============================================================= _computing_structure_refinement ; CRYSTALS (Watkin et al 2001) ; _computing_publication_material ; CRYSTALS (Watkin et al 2001) ; _computing_molecular_graphics ; CAMERON (Watkin et al 1996) ; #============================================================= _cell_length_a 8.8918(3) _cell_angle_alpha 90 _cell_length_b 15.1623(7) _cell_angle_beta 97.145(3) _cell_length_c 13.7021(5) _cell_angle_gamma 90 _cell_volume 1833.0 _symmetry_cell_setting 'Monoclinic ' _symmetry_space_group_name_H-M 'P 1 21/n 1 ' loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,-z -x+1/2,y+1/2,-z+1/2 x+1/2,-y+1/2,z+1/2 loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_Cromer_Mann_a1 _atom_type_scat_Cromer_Mann_b1 _atom_type_scat_Cromer_Mann_a2 _atom_type_scat_Cromer_Mann_b2 _atom_type_scat_Cromer_Mann_a3 _atom_type_scat_Cromer_Mann_b3 _atom_type_scat_Cromer_Mann_a4 _atom_type_scat_Cromer_Mann_b4 _atom_type_scat_Cromer_Mann_c _atom_type_scat_source 'C ' 0.0033 0.0016 2.3100 20.8439 1.0200 10.2075 1.5886 0.5687 0.8650 51.6512 0.2156 International_Tables_Vol_IV_Table_2.2B 'H ' 0.0000 0.0000 0.4930 10.5109 0.3229 26.1257 0.1402 3.1424 0.0408 57.7997 0.0030 International_Tables_Vol_IV_Table_2.2B 'O ' 0.0106 0.0060 3.0485 13.2771 2.2868 5.7011 1.5463 0.3239 0.8670 32.9089 0.2508 International_Tables_Vol_IV_Table_2.2B 'Si ' 0.0720 0.0710 6.2915 2.4386 3.0353 32.3337 1.9891 0.6785 1.5410 81.6937 1.1407 International_Tables_Vol_IV_Table_2.2B _chemical_formula_sum ' C20 H24 O2 Si1 ' _chemical_formula_moiety ' C20 H24 O2 Si1 ' _chemical_compound_source ; ? ; _chemical_formula_weight 324.50 _cell_measurement_reflns_used 3867 _cell_measurement_theta_min 5 _cell_measurement_theta_max 27 _cell_measurement_temperature 120 _cell_formula_units_Z 4 _exptl_crystal_description ' plate ' _exptl_crystal_colour ' colourless ' _exptl_crystal_size_min 0.10 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_max 0.40 _exptl_crystal_density_diffrn 1.176 _exptl_crystal_density_meas 'not measured' _exptl_crystal_F_000 696.554 _exptl_absorpt_coefficient_mu 0.135 # Sheldrick geometric definitions 0.97 0.99 _diffrn_measurement_device_type ; Enraf Nonius Kappa CCD ; _diffrn_radiation_monochromator graphite _computing_data_collection ; COLLECT (Nonius BV, 1997) ; _computing_data_reduction ; Denzo/Scalepack (Otwinowski & Minor, 1996) ; _computing_cell_refinement ; Denzo/Scalepack (Otwinowski & Minor, 1996) ; _computing_structure_solution ; SIR92 (Altomare et al, 1994) ; _diffrn_measurement_method \w _exptl_absorpt_correction_type multi-scan _exptl_absorpt_correction_T_min 0.97 _exptl_absorpt_correction_T_max 0.99 _diffrn_standards_interval_time 0 _diffrn_standards_interval_count 0 _diffrn_standards_number 0 _diffrn_standards_decay_% 0.00 _diffrn_ambient_temperature 120 _diffrn_reflns_number 6513 _reflns_number_total 4136 _diffrn_reflns_av_R_equivalents 0.01 # Number of reflections with Friedels Law is 4136 # Number of reflections without Friedels Law is 0 # Theoretical number of reflections is about 4202 _diffrn_measured_fraction_theta_max 0.984 _reflns_number_gt 2996 _diffrn_reflns_theta_min 5.19 _diffrn_reflns_theta_max 27.48 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_k_min -16 _diffrn_reflns_limit_k_max 19 _diffrn_reflns_limit_l_min -17 _diffrn_reflns_limit_l_max 17 _reflns_limit_h_min -11 _reflns_limit_h_max 11 _reflns_limit_k_min 0 _reflns_limit_k_max 19 _reflns_limit_l_min 0 _reflns_limit_l_max 17 _refine_diff_density_min -0.28 _refine_diff_density_max 0.43 _reflns_threshold_expression >3.00\s(I) _refine_ls_number_reflns 2996 _refine_ls_number_parameters 208 _refine_ls_R_factor_gt 0.0515 _refine_ls_wR_factor_ref 0.0584 _refine_ls_goodness_of_fit_ref 1.0328 _refine_ls_shift/su_max 0.000375 _refine_ls_structure_factor_coef F _refine_ls_weighting_scheme calc _refine_ls_weighting_details ; Chebychev polynomial with 3 parameters, Carruthers & Watkin , 1979, 1.64 0.392 1.18 ; _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.71073 ## -------------------REFERENCES ----------------------## ## Insert your own references - in alphabetic order _publ_section_references ; Altomare, A., Cascarano, G., Giacovazzo G., Guagliardi A., Burla M.C., Polidori, G. & Camalli, M. (1994) SIR92 - a program for automatic solution of crystal structures by direct methods. J. Appl. Cryst. (27), 435-435 COLLECT Software, Nonius BV 1997-2001) Otwinowski, Z. & Minor, W. (1996), Processing of X-ray Diffraction Data Collected in Oscillation Mode. Methods Enzymol. 276, 1997, 307-326. Ed Carter, C.W. & Sweet, R.M., Academic Press. Watkin, D.J., Prout, C.K., Carruthers, J.R., Betteridge, P.W. & Cooper R.I. (2001) CRYSTALS Issue 11. Chemical Crystallography Laboratory, OXFORD, UK. Watkin, D.J., Prout, C.K. & Pearce, L.J. (1996) CAMERON, Chemical Crystallography Laboratory, OXFORD, UK. ; # Uequiv = arithmetic mean of Ui # i.e. Ueqiv = (U1+U2+U3)/3 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_occupancy _atom_site_adp_type SI1 SI 0.91829(6) 0.28722(3) 0.64596(4) 0.0309 1.0000 Uani O2 O 1.00560(14) 0.35693(9) 0.72477(9) 0.0337 1.0000 Uani C3 C 1.1426(2) 0.32579(13) 0.78308(14) 0.0347 1.0000 Uani C4 C 1.2522(2) 0.29013(14) 0.71537(14) 0.0370 1.0000 Uani C5 C 1.1899(2) 0.21261(14) 0.65370(15) 0.0381 1.0000 Uani O6 O 1.05021(15) 0.23592(9) 0.59304(9) 0.0340 1.0000 Uani C7 C 1.2994(3) 0.17785(17) 0.58714(18) 0.0504 1.0000 Uani C8 C 1.2027(2) 0.40171(14) 0.84945(14) 0.0383 1.0000 Uani C9 C 1.3579(3) 0.38247(15) 0.90054(16) 0.0444 1.0000 Uani C10 C 1.4768(3) 0.4312(2) 0.8906(2) 0.0712 1.0000 Uani C11 C 1.0928(3) 0.42176(17) 0.92470(17) 0.0499 1.0000 Uani C12 C 0.7959(2) 0.34918(12) 0.55020(13) 0.0316 1.0000 Uani C13 C 0.6388(2) 0.33970(15) 0.53683(17) 0.0446 1.0000 Uani C14 C 0.5503(3) 0.38642(16) 0.46255(19) 0.0521 1.0000 Uani C15 C 0.6169(3) 0.44236(16) 0.40250(16) 0.0512 1.0000 Uani C16 C 0.7728(3) 0.45312(17) 0.41492(16) 0.0509 1.0000 Uani C17 C 0.8611(2) 0.40668(15) 0.48786(15) 0.0409 1.0000 Uani C18 C 0.8082(2) 0.20771(13) 0.71251(13) 0.0332 1.0000 Uani C19 C 0.8030(2) 0.11845(13) 0.68687(14) 0.0368 1.0000 Uani C20 C 0.7227(3) 0.05834(14) 0.73747(16) 0.0431 1.0000 Uani C21 C 0.6457(3) 0.08666(15) 0.81345(16) 0.0451 1.0000 Uani C22 C 0.6486(3) 0.17514(16) 0.83907(17) 0.0464 1.0000 Uani C23 C 0.7293(3) 0.23485(15) 0.78975(15) 0.0420 1.0000 Uani H31 H 1.1242(2) 0.27480(13) 0.82632(14) 0.0439 1.0000 Uiso H41 H 1.3477(2) 0.27153(14) 0.75656(14) 0.0447 1.0000 Uiso H42 H 1.2752(2) 0.33863(14) 0.67004(14) 0.0447 1.0000 Uiso H51 H 1.1715(2) 0.16537(14) 0.70173(15) 0.0481 1.0000 Uiso H71 H 1.2526(3) 0.12664(17) 0.54865(18) 0.0639 1.0000 Uiso H72 H 1.3952(3) 0.15845(17) 0.62747(18) 0.0639 1.0000 Uiso H73 H 1.3227(3) 0.22557(17) 0.54093(18) 0.0639 1.0000 Uiso H81 H 1.2107(2) 0.45489(14) 0.80724(14) 0.0471 1.0000 Uiso H91 H 1.3718(3) 0.32962(15) 0.94439(16) 0.0556 1.0000 Uiso H101 H 1.5787(3) 0.4160(2) 0.9259(2) 0.0861 1.0000 Uiso H102 H 1.4644(3) 0.4843(2) 0.8470(2) 0.0861 1.0000 Uiso H111 H 1.1329(3) 0.47199(17) 0.96756(17) 0.0628 1.0000 Uiso H112 H 1.0832(3) 0.36827(17) 0.96618(17) 0.0628 1.0000 Uiso H113 H 0.9911(3) 0.43770(17) 0.88958(17) 0.0628 1.0000 Uiso H131 H 0.5893(2) 0.29879(15) 0.58037(17) 0.0531 1.0000 Uiso H141 H 0.4377(3) 0.37909(16) 0.45363(19) 0.0607 1.0000 Uiso H151 H 0.5529(3) 0.47530(16) 0.34937(16) 0.0610 1.0000 Uiso H161 H 0.8213(3) 0.49485(17) 0.37171(16) 0.0614 1.0000 Uiso H171 H 0.9738(2) 0.41390(15) 0.49578(15) 0.0512 1.0000 Uiso H191 H 0.8572(2) 0.09769(13) 0.63140(14) 0.0443 1.0000 Uiso H201 H 0.7205(3) -0.00545(14) 0.71880(16) 0.0523 1.0000 Uiso H211 H 0.5878(3) 0.04360(15) 0.84960(16) 0.0549 1.0000 Uiso H221 H 0.5921(3) 0.19584(16) 0.89352(17) 0.0572 1.0000 Uiso H231 H 0.7323(3) 0.29839(15) 0.80947(15) 0.0521 1.0000 Uiso loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Si1 0.0316(3) 0.0321(3) 0.0285(2) -0.0011(2) 0.00160(18) -0.0005(2) O2 0.0328(7) 0.0347(7) 0.0324(7) -0.0045(5) -0.0007(5) 0.0018(5) C3 0.037(1) 0.0350(9) 0.0312(9) 0.0011(7) 0.0001(7) 0.0003(8) C4 0.0329(9) 0.041(1) 0.0363(9) -0.0029(8) -0.0003(8) 0.0005(8) C5 0.037(1) 0.039(1) 0.037(1) -0.0038(8) 0.0011(8) 0.0060(8) O6 0.0333(7) 0.0373(7) 0.0311(6) -0.0047(5) 0.0025(5) 0.0024(5) C7 0.0418(11) 0.0573(13) 0.0520(13) -0.0150(11) 0.005(1) 0.010(1) C8 0.0426(11) 0.038(1) 0.0325(9) -0.0008(8) -0.0019(8) -0.0007(8) C9 0.0470(12) 0.0482(12) 0.035(1) -0.0053(9) -0.0054(8) -0.001(1) C10 0.0515(15) 0.0798(19) 0.0774(19) -0.0097(15) -0.0113(14) -0.0180(14) C11 0.0516(13) 0.0568(14) 0.0400(11) -0.014(1) 0.0004(9) 0.0035(11) C12 0.0341(9) 0.0314(9) 0.0287(8) -0.0053(7) 0.0015(7) 0.0032(7) C13 0.0384(11) 0.0429(12) 0.0504(12) 0.0003(9) -0.0030(9) -0.0011(9) C14 0.0379(11) 0.0526(13) 0.0606(14) -0.0061(11) -0.014(1) 0.006(1) C15 0.0619(14) 0.0519(13) 0.0355(11) -0.005(1) -0.011(1) 0.0174(11) C16 0.0608(14) 0.0587(14) 0.034(1) 0.010(1) 0.007(1) 0.0126(11) C17 0.0408(11) 0.0492(12) 0.033(1) 0.0050(8) 0.0072(8) 0.0072(9) C18 0.0315(9) 0.0367(9) 0.0303(8) 0.0023(7) -0.0000(7) -0.0017(8) C19 0.039(1) 0.038(1) 0.0331(9) -0.0004(8) 0.0035(8) 0.0017(8) C20 0.0465(12) 0.0375(11) 0.0439(11) 0.0017(9) 0.0003(9) -0.0036(9) C21 0.0414(11) 0.0510(12) 0.0429(11) 0.0100(9) 0.0053(9) -0.0045(9) C22 0.0452(12) 0.0553(13) 0.0408(11) 0.003(1) 0.0130(9) 0.003(1) C23 0.0472(12) 0.0411(11) 0.039(1) -0.0026(8) 0.0088(9) 0.0013(9) _refine_ls_extinction_method None loop_ _geom_bond_atom_site_label_1 _geom_bond_site_symmetry_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Si1 . O2 . 1.6363(13) yes Si1 . O6 . 1.6488(14) yes Si1 . C12 . 1.8528(19) yes Si1 . C18 . 1.8617(19) yes O2 . C3 . 1.450(2) yes C3 . C4 . 1.525(3) yes C3 . C8 . 1.522(3) yes C3 . H31 . 1.000 no C4 . C5 . 1.512(3) yes C4 . H41 . 1.000 no C4 . H42 . 1.000 no C5 . O6 . 1.450(2) yes C5 . C7 . 1.509(3) yes C5 . H51 . 1.000 no C7 . H71 . 1.000 no C7 . H72 . 1.000 no C7 . H73 . 1.000 no C8 . C9 . 1.496(3) yes C8 . C11 . 1.537(3) yes C8 . H81 . 1.000 no C9 . C10 . 1.311(4) yes C9 . H91 . 1.000 no C10 . H101 . 1.000 no C10 . H102 . 1.000 no C11 . H111 . 1.000 no C11 . H112 . 1.000 no C11 . H113 . 1.000 no C12 . C13 . 1.394(3) yes C12 . C17 . 1.396(3) yes C13 . C14 . 1.399(3) yes C13 . H131 . 1.000 no C14 . C15 . 1.367(4) yes C14 . H141 . 1.000 no C15 . C16 . 1.385(4) yes C15 . H151 . 1.000 no C16 . C17 . 1.384(3) yes C16 . H161 . 1.000 no C17 . H171 . 1.000 no C18 . C19 . 1.398(3) yes C18 . C23 . 1.402(3) yes C19 . C20 . 1.394(3) yes C19 . H191 . 1.000 no C20 . C21 . 1.383(3) yes C20 . H201 . 1.000 no C21 . C22 . 1.386(3) yes C21 . H211 . 1.000 no C22 . C23 . 1.383(3) yes C22 . H221 . 1.000 no C23 . H231 . 1.000 no loop_ _geom_angle_atom_site_label_1 _geom_angle_site_symmetry_1 _geom_angle_atom_site_label_2 _geom_angle_site_symmetry_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag O2 . Si1 . O6 . 106.85(7) yes O2 . Si1 . C12 . 109.17(8) yes O6 . Si1 . C12 . 108.36(8) yes O2 . Si1 . C18 . 109.29(8) yes O6 . Si1 . C18 . 110.87(8) yes C12 . Si1 . C18 . 112.14(8) yes Si1 . O2 . C3 . 116.76(11) yes O2 . C3 . C4 . 109.67(14) yes O2 . C3 . C8 . 106.94(15) yes C4 . C3 . C8 . 115.35(16) yes O2 . C3 . H31 . 112.92(9) no C4 . C3 . H31 . 104.52(11) no C8 . C3 . H31 . 107.58(11) no C3 . C4 . C5 . 113.48(16) yes C3 . C4 . H41 . 108.6(1) no C5 . C4 . H41 . 108.80(11) no C3 . C4 . H42 . 108.20(11) no C5 . C4 . H42 . 108.27(11) no H41 . C4 . H42 . 109.467 no C4 . C5 . O6 . 111.04(16) yes C4 . C5 . C7 . 112.98(18) yes O6 . C5 . C7 . 108.05(16) yes C4 . C5 . H51 . 105.52(11) no O6 . C5 . H51 . 110.7(1) no C7 . C5 . H51 . 108.59(13) no Si1 . O6 . C5 . 117.95(11) yes C5 . C7 . H71 . 109.39(12) no C5 . C7 . H72 . 109.74(12) no H71 . C7 . H72 . 109.476 no C5 . C7 . H73 . 109.27(13) no H71 . C7 . H73 . 109.476 no H72 . C7 . H73 . 109.476 no C3 . C8 . C9 . 111.52(17) yes C3 . C8 . C11 . 110.19(17) yes C9 . C8 . C11 . 110.55(17) yes C3 . C8 . H81 . 108.00(11) no C9 . C8 . H81 . 107.49(12) no C11 . C8 . H81 . 108.98(13) no C8 . C9 . C10 . 123.4(2) yes C8 . C9 . H91 . 118.43(12) no C10 . C9 . H91 . 118.19(18) no C9 . C10 . H101 . 120.95(18) no C9 . C10 . H102 . 119.05(18) no H101 . C10 . H102 . 120.000 no C8 . C11 . H111 . 109.55(12) no C8 . C11 . H112 . 109.11(13) no H111 . C11 . H112 . 109.475 no C8 . C11 . H113 . 109.74(11) no H111 . C11 . H113 . 109.476 no H112 . C11 . H113 . 109.476 no Si1 . C12 . C13 . 122.11(16) yes Si1 . C12 . C17 . 119.87(15) yes C13 . C12 . C17 . 118.01(18) yes C12 . C13 . C14 . 120.5(2) yes C12 . C13 . H131 . 119.61(12) no C14 . C13 . H131 . 119.89(14) no C13 . C14 . C15 . 120.4(2) yes C13 . C14 . H141 . 119.79(14) no C15 . C14 . H141 . 119.85(13) no C14 . C15 . C16 . 120.1(2) yes C14 . C15 . H151 . 119.88(13) no C16 . C15 . H151 . 120.05(14) no C15 . C16 . C17 . 119.9(2) yes C15 . C16 . H161 . 120.00(14) no C17 . C16 . H161 . 120.13(14) no C12 . C17 . C16 . 121.2(2) yes C12 . C17 . H171 . 119.24(11) no C16 . C17 . H171 . 119.55(14) no Si1 . C18 . C19 . 120.45(15) yes Si1 . C18 . C23 . 121.51(15) yes C19 . C18 . C23 . 118.04(18) yes C18 . C19 . C20 . 120.72(19) yes C18 . C19 . H191 . 119.47(11) no C20 . C19 . H191 . 119.81(12) no C19 . C20 . C21 . 120.2(2) yes C19 . C20 . H201 . 119.98(12) no C21 . C20 . H201 . 119.81(13) no C20 . C21 . C22 . 119.7(2) yes C20 . C21 . H211 . 120.23(13) no C22 . C21 . H211 . 120.04(13) no C21 . C22 . C23 . 120.3(2) yes C21 . C22 . H221 . 119.85(13) no C23 . C22 . H221 . 119.88(13) no C18 . C23 . C22 . 121.0(2) yes C18 . C23 . H231 . 119.20(12) no C22 . C23 . H231 . 119.77(13) no