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hbwuzheng

木虫 (正式写手)

[交流] 请问:我这句话加在哪里(送10个金币)?

我的一个单晶,经检测出现下面的问题:
‘Alert level A
PLAT035_ALERT_1_A No _chemical_absolute_configuration info given .          ?‘
我们的分子中有一个已知构型的参考,因此应该是 rm, 但是我不知道才cif文件中应该加在那里,请高人指点。拜托了!帮我解决好,可以送10个金币!
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laoxiang

银虫 (小有名气)

给你个参考,无a类错误的,你肯定能查出来

data_(2)



_audit_creation_method            SHELXL-97
_chemical_name_systematic
;
?
;
_chemical_name_common             ?
_chemical_melting_point           ?
_chemical_formula_moiety          'C18 H14 Cd Cl2 N4'
_chemical_formula_sum
'C18 H14 Cd Cl2 N4'
_chemical_formula_weight          469.63

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'
'Cl'  'Cl'   0.1484   0.1585
'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
'Cd'  'Cd'  -0.8075   1.2024
'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'

_symmetry_cell_setting            triclinic
_symmetry_space_group_name_H-M    P-1
_symmetry_space_group_name_Hall   -P1

loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, -z'

_cell_length_a                    6.8116(4)
_cell_length_b                    10.0669(6)
_cell_length_c                    12.8482(8)
_cell_angle_alpha                 102.7070(10)
_cell_angle_beta                  94.1230(10)
_cell_angle_gamma                 97.0470(10)
_cell_volume                      848.49(9)
_cell_formula_units_Z             2
_cell_measurement_temperature     292(2)
_cell_measurement_reflns_used     4923
_cell_measurement_theta_min       2.7
_cell_measurement_theta_max       26.5

_exptl_crystal_description        block
_exptl_crystal_colour             brown
_exptl_crystal_size_max           0.56
_exptl_crystal_size_mid           0.30
_exptl_crystal_size_min           0.17
_exptl_crystal_density_meas       ?
_exptl_crystal_density_diffrn     1.838
_exptl_crystal_density_method     'not measured'
_exptl_crystal_F_000              464
_exptl_absorpt_coefficient_mu     1.610
_exptl_absorpt_correction_type    multi-scan
_exptl_absorpt_correction_T_min   0.560
_exptl_absorpt_correction_T_max   0.759
_exptl_absorpt_process_details '(SADABS; Bruker, 2002)'

_exptl_special_details
;
?
;

_diffrn_ambient_temperature       292(2)
_diffrn_radiation_wavelength      0.71073
_diffrn_radiation_type            MoK\a
_diffrn_radiation_source          'fine-focus sealed tube'
_diffrn_radiation_monochromator   graphite
_diffrn_measurement_device_type   'CCD area detector'
_diffrn_measurement_method        \w
_diffrn_detector_area_resol_mean  ?
_diffrn_standards_number          none
_diffrn_standards_interval_count  none
_diffrn_standards_interval_time   none
_diffrn_standards_decay_%         none
_diffrn_reflns_number             7310
_diffrn_reflns_av_R_equivalents   0.0151
_diffrn_reflns_av_sigmaI/netI     0.0204
_diffrn_reflns_limit_h_min        -8
_diffrn_reflns_limit_h_max        8
_diffrn_reflns_limit_k_min        -12
_diffrn_reflns_limit_k_max        12
_diffrn_reflns_limit_l_min        -15
_diffrn_reflns_limit_l_max        15
_diffrn_reflns_theta_min          2.34
_diffrn_reflns_theta_max          26.07
_reflns_number_total              3332
_reflns_number_gt                 3122
_reflns_threshold_expression      >2sigma(I)

_computing_data_collection        'SMART (Bruker, 2002)'
_computing_cell_refinement        'SAINT (Bruker, 2002)'
_computing_data_reduction         'SHELXS97 (Sheldrick, 1997)'
_computing_structure_solution     'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement   'SHELXL-97 (Sheldrick, 1997)'
_computing_molecular_graphics     'SHELXS97 (Sheldrick, 1997)'
_computing_publication_material   SHELXTL

_refine_special_details
;
Refinement of F^2^ against ALL reflections.  The weighted R-factor wR and
goodness of fit S are based on F^2^, conventional R-factors R are based
on F, with F set to zero for negative F^2^. The threshold expression of
F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is
not relevant to the choice of reflections for refinement.  R-factors based
on F^2^ are statistically about twice as large as those based on F, and R-
factors based on ALL data will be even larger.
;

_refine_ls_structure_factor_coef  Fsqd
_refine_ls_matrix_type            full
_refine_ls_weighting_scheme       calc
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0251P)^2^+0.6510P] where P=(Fo^2^+2Fc^2^)/3'
_atom_sites_solution_primary      direct
_atom_sites_solution_secondary    difmap
_atom_sites_solution_hydrogens    geom
_refine_ls_hydrogen_treatment     constr
_refine_ls_extinction_method      none
_refine_ls_extinction_coef        ?
_refine_ls_number_reflns          3332
_refine_ls_number_parameters      226
_refine_ls_number_restraints      0
_refine_ls_R_factor_all           0.0241
_refine_ls_R_factor_gt            0.0222
_refine_ls_wR_factor_ref          0.0561
_refine_ls_wR_factor_gt           0.0550
_refine_ls_goodness_of_fit_ref    1.057
_refine_ls_restrained_S_all       1.057
_refine_ls_shift/su_max           0.001
_refine_ls_shift/su_mean          0.000

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_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
Cd Cd 1.26189(2) 0.017862(18) -0.426706(13) 0.03128(7) Uani 1 1 d . . .
Cl1 Cl 0.93483(8) -0.15032(6) -0.45483(5) 0.03599(14) Uani 1 1 d . . .
Cl2 Cl 1.41619(8) -0.17749(6) -0.55096(5) 0.03436(13) Uani 1 1 d . . .
N1 N 1.4586(3) -0.0064(2) -0.27056(15) 0.0326(4) Uani 1 1 d . . .
N2 N 1.1677(3) 0.1564(2) -0.26462(16) 0.0331(4) Uani 1 1 d . . .
C17 C 1.4525(3) 0.0889(2) -0.17889(18) 0.0295(5) Uani 1 1 d . . .
N3 N 1.7170(3) 0.2286(2) 0.09019(17) 0.0403(5) Uani 1 1 d . . .
N4 N 1.4004(4) 0.3820(2) 0.10266(17) 0.0416(5) Uani 1 1 d . . .
C18 C 1.2932(3) 0.1742(2) -0.17470(19) 0.0300(5) Uani 1 1 d . . .
C12 C 1.5767(4) 0.2104(3) 0.00682(19) 0.0339(5) Uani 1 1 d . . .
C13 C 1.5913(4) 0.1069(2) -0.08957(19) 0.0319(5) Uani 1 1 d . . .
C4 C 1.2740(4) 0.2685(3) -0.07958(19) 0.0338(5) Uani 1 1 d . . .
C1 C 1.0154(4) 0.2274(3) -0.2607(2) 0.0401(6) Uani 1 1 d . . .
H1 H 0.9279 0.2147 -0.3222 0.048 Uiso 1 1 calc R . .
C10 C 1.8553(6) 0.3389(3) 0.2706(2) 0.0607(9) Uani 1 1 d . . .
H10A H 1.8489 0.2536 0.2945 0.073 Uiso 1 1 calc R . .
H10B H 1.9847 0.3558 0.2453 0.073 Uiso 1 1 calc R . .
C15 C 1.7458(4) -0.0738(3) -0.1898(2) 0.0433(6) Uani 1 1 d . . .
H15 H 1.8443 -0.1305 -0.1961 0.052 Uiso 1 1 calc R . .
C3 C 1.1114(4) 0.3416(3) -0.0782(2) 0.0442(7) Uani 1 1 d . . .
H3 H 1.0920 0.4044 -0.0162 0.053 Uiso 1 1 calc R . .
C2 C 0.9815(4) 0.3200(3) -0.1684(2) 0.0472(7) Uani 1 1 d . . .
H2 H 0.8718 0.3667 -0.1681 0.057 Uiso 1 1 calc R . .
C6 C 1.5364(5) 0.3978(3) 0.1855(2) 0.0444(7) Uani 1 1 d . . .
C11 C 1.6982(4) 0.3205(3) 0.1782(2) 0.0424(6) Uani 1 1 d . . .
C16 C 1.6019(4) -0.0850(3) -0.2749(2) 0.0381(6) Uani 1 1 d . . .
H16 H 1.6064 -0.1506 -0.3379 0.046 Uiso 1 1 calc R . .
C14 C 1.7402(4) 0.0219(3) -0.0966(2) 0.0402(6) Uani 1 1 d . . .
H14 H 1.8343 0.0304 -0.0385 0.048 Uiso 1 1 calc R . .
C5 C 1.4202(4) 0.2890(3) 0.01250(19) 0.0348(5) Uani 1 1 d . . .
C7 C 1.5145(6) 0.4991(3) 0.2872(2) 0.0620(9) Uani 1 1 d . . .
H7A H 1.5447 0.5915 0.2764 0.074 Uiso 1 1 calc R . .
H7B H 1.3771 0.4865 0.3029 0.074 Uiso 1 1 calc R . .
C8 C 1.6451(8) 0.4859(5) 0.3810(3) 0.0912(14) Uani 1 1 d . . .
H8A H 1.6588 0.5721 0.4344 0.109 Uiso 1 1 calc R . .
H8B H 1.5767 0.4157 0.4118 0.109 Uiso 1 1 calc R . .
C9 C 1.8386(9) 0.4531(5) 0.3646(3) 0.110(2) Uani 1 1 d . . .
H9B H 1.8934 0.4294 0.4288 0.132 Uiso 1 1 calc R . .
H9A H 1.9210 0.5352 0.3566 0.132 Uiso 1 1 calc R . .

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
Cd 0.02658(10) 0.04116(12) 0.02435(10) 0.00296(7) -0.00101(7) 0.00853(7)
Cl1 0.0276(3) 0.0446(3) 0.0376(3) 0.0140(3) -0.0009(2) 0.0067(2)
Cl2 0.0286(3) 0.0357(3) 0.0353(3) -0.0002(2) 0.0012(2) 0.0072(2)
N1 0.0355(11) 0.0379(11) 0.0243(10) 0.0042(8) 0.0034(8) 0.0102(9)
N2 0.0309(10) 0.0409(11) 0.0261(10) 0.0051(9) -0.0025(8) 0.0076(9)
C17 0.0314(12) 0.0330(12) 0.0247(12) 0.0069(9) 0.0027(9) 0.0066(10)
N3 0.0464(13) 0.0438(12) 0.0285(11) 0.0052(9) -0.0076(9) 0.0100(10)
N4 0.0560(14) 0.0388(12) 0.0280(11) 0.0012(9) -0.0015(10) 0.0145(10)
C18 0.0299(12) 0.0345(12) 0.0262(12) 0.0072(10) 0.0021(9) 0.0070(10)
C12 0.0378(13) 0.0369(13) 0.0268(12) 0.0078(10) -0.0022(10) 0.0074(11)
C13 0.0357(13) 0.0356(13) 0.0258(12) 0.0077(10) 0.0019(10) 0.0107(10)
C4 0.0380(13) 0.0357(13) 0.0283(12) 0.0066(10) 0.0009(10) 0.0109(10)
C1 0.0328(13) 0.0533(16) 0.0337(14) 0.0073(12) -0.0036(10) 0.0125(12)
C10 0.078(2) 0.0587(19) 0.0379(16) 0.0042(14) -0.0247(16) 0.0135(17)
C15 0.0421(15) 0.0509(16) 0.0412(15) 0.0092(13) 0.0066(12) 0.0241(13)
C3 0.0508(16) 0.0489(16) 0.0338(14) 0.0026(12) 0.0021(12) 0.0239(13)
C2 0.0436(15) 0.0566(17) 0.0427(16) 0.0060(13) 0.0010(12) 0.0243(13)
C6 0.0628(18) 0.0403(14) 0.0267(13) 0.0027(11) -0.0052(12) 0.0091(13)
C11 0.0579(17) 0.0368(14) 0.0292(13) 0.0050(11) -0.0093(12) 0.0066(12)
C16 0.0433(14) 0.0415(14) 0.0296(13) 0.0028(11) 0.0053(11) 0.0153(12)
C14 0.0401(14) 0.0496(15) 0.0333(13) 0.0106(12) -0.0013(11) 0.0166(12)
C5 0.0440(14) 0.0344(13) 0.0258(12) 0.0045(10) 0.0001(10) 0.0111(11)
C7 0.092(3) 0.0520(18) 0.0357(16) -0.0064(14) -0.0026(16) 0.0204(18)
C8 0.130(4) 0.096(3) 0.0339(18) -0.0173(19) -0.015(2) 0.035(3)
C9 0.166(5) 0.097(3) 0.051(2) -0.020(2) -0.054(3) 0.060(3)

_geom_special_details
;
All esds (except the esd in the dihedral angle between two l.s. planes)
are estimated using the full covariance matrix.  The cell esds are taken
into account individually in the estimation of esds in distances, angles
and torsion angles; correlations between esds in cell parameters are only
used when they are defined by crystal symmetry.  An approximate (isotropic)
treatment of cell esds is used for estimating esds involving l.s. planes.
;

loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Cd N1 2.4060(19) . y
Cd N2 2.414(2) . y
Cd Cl1 2.5787(6) . y
Cd Cl2 2.6245(6) . y
Cd Cl2 2.6271(6) 2_854 ?
Cd Cl1 2.6322(6) 2_754 ?
Cl1 Cd 2.6322(6) 2_754 ?
Cl2 Cd 2.6271(6) 2_854 ?
N1 C16 1.327(3) . ?
N1 C17 1.352(3) . ?
N2 C1 1.328(3) . ?
N2 C18 1.352(3) . ?
C17 C13 1.398(3) . ?
C17 C18 1.461(3) . ?
N3 C11 1.319(3) . ?
N3 C12 1.348(3) . ?
N4 C6 1.328(3) . ?
N4 C5 1.347(3) . ?
C18 C4 1.399(3) . ?
C12 C5 1.400(3) . ?
C12 C13 1.451(3) . ?
C13 C14 1.401(3) . ?
C4 C3 1.402(3) . ?
C4 C5 1.452(3) . ?
C1 C2 1.391(4) . ?
C1 H1 0.9300 . ?
C10 C9 1.495(5) . ?
C10 C11 1.503(4) . ?
C10 H10A 0.9700 . ?
C10 H10B 0.9700 . ?
C15 C14 1.368(4) . ?
C15 C16 1.391(4) . ?
C15 H15 0.9300 . ?
C3 C2 1.366(4) . ?
C3 H3 0.9300 . ?
C2 H2 0.9300 . ?
C6 C11 1.422(4) . ?
C6 C7 1.500(4) . ?
C16 H16 0.9300 . ?
C14 H14 0.9300 . ?
C7 C8 1.486(5) . ?
C7 H7A 0.9700 . ?
C7 H7B 0.9700 . ?
C8 C9 1.416(7) . ?
C8 H8A 0.9700 . ?
C8 H8B 0.9700 . ?
C9 H9B 0.9700 . ?
C9 H9A 0.9700 . ?

loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle_publ_flag
N1 Cd N2 68.61(6) . . y
N1 Cd Cl1 108.82(5) . . y
N2 Cd Cl1 92.14(5) . . y
N1 Cd Cl2 91.59(5) . . y
N2 Cd Cl2 159.04(5) . . y
Cl1 Cd Cl2 87.74(2) . . y
N1 Cd Cl2 83.10(5) . 2_854 ?
N2 Cd Cl2 99.09(5) . 2_854 ?
Cl1 Cd Cl2 166.08(2) . 2_854 ?
Cl2 Cd Cl2 84.69(2) . 2_854 ?
N1 Cd Cl1 155.53(5) . 2_754 ?
N2 Cd Cl1 91.17(5) . 2_754 ?
Cl1 Cd Cl1 84.72(2) . 2_754 ?
Cl2 Cd Cl1 109.67(2) . 2_754 ?
Cl2 Cd Cl1 86.84(2) 2_854 2_754 ?
Cd Cl1 Cd 95.28(2) . 2_754 ?
Cd Cl2 Cd 95.31(2) . 2_854 ?
C16 N1 C17 118.3(2) . . ?
C16 N1 Cd 123.42(16) . . ?
C17 N1 Cd 116.41(15) . . ?
C1 N2 C18 118.4(2) . . ?
C1 N2 Cd 124.51(16) . . ?
C18 N2 Cd 116.66(15) . . ?
N1 C17 C13 122.3(2) . . ?
N1 C17 C18 117.8(2) . . ?
C13 C17 C18 119.8(2) . . ?
C11 N3 C12 117.5(2) . . ?
C6 N4 C5 117.5(2) . . ?
N2 C18 C4 122.6(2) . . ?
N2 C18 C17 117.5(2) . . ?
C4 C18 C17 119.9(2) . . ?
N3 C12 C5 121.2(2) . . ?
N3 C12 C13 118.4(2) . . ?
C5 C12 C13 120.4(2) . . ?
C17 C13 C14 118.0(2) . . ?
C17 C13 C12 119.9(2) . . ?
C14 C13 C12 122.1(2) . . ?
C18 C4 C3 117.4(2) . . ?
C18 C4 C5 120.1(2) . . ?
C3 C4 C5 122.4(2) . . ?
N2 C1 C2 122.7(2) . . ?
N2 C1 H1 118.7 . . ?
C2 C1 H1 118.7 . . ?
C9 C10 C11 114.8(3) . . ?
C9 C10 H10A 108.6 . . ?
C11 C10 H10A 108.6 . . ?
C9 C10 H10B 108.6 . . ?
C11 C10 H10B 108.6 . . ?
H10A C10 H10B 107.5 . . ?
C14 C15 C16 119.1(2) . . ?
C14 C15 H15 120.5 . . ?
C16 C15 H15 120.5 . . ?
C2 C3 C4 119.6(2) . . ?
C2 C3 H3 120.2 . . ?
C4 C3 H3 120.2 . . ?
C3 C2 C1 119.2(2) . . ?
C3 C2 H2 120.4 . . ?
C1 C2 H2 120.4 . . ?
N4 C6 C11 121.0(2) . . ?
N4 C6 C7 118.2(3) . . ?
C11 C6 C7 120.8(3) . . ?
N3 C11 C6 121.6(2) . . ?
N3 C11 C10 116.8(3) . . ?
C6 C11 C10 121.6(2) . . ?
N1 C16 C15 123.0(2) . . ?
N1 C16 H16 118.5 . . ?
C15 C16 H16 118.5 . . ?
C15 C14 C13 119.3(2) . . ?
C15 C14 H14 120.4 . . ?
C13 C14 H14 120.4 . . ?
N4 C5 C12 121.2(2) . . ?
N4 C5 C4 119.1(2) . . ?
C12 C5 C4 119.7(2) . . ?
C8 C7 C6 113.5(3) . . ?
C8 C7 H7A 108.9 . . ?
C6 C7 H7A 108.9 . . ?
C8 C7 H7B 108.9 . . ?
C6 C7 H7B 108.9 . . ?
H7A C7 H7B 107.7 . . ?
C9 C8 C7 118.4(4) . . ?
C9 C8 H8A 107.7 . . ?
C7 C8 H8A 107.7 . . ?
C9 C8 H8B 107.7 . . ?
C7 C8 H8B 107.7 . . ?
H8A C8 H8B 107.1 . . ?
C8 C9 C10 116.6(4) . . ?
C8 C9 H9B 108.1 . . ?
C10 C9 H9B 108.1 . . ?
C8 C9 H9A 108.1 . . ?
C10 C9 H9A 108.1 . . ?
H9B C9 H9A 107.3 . . ?

_diffrn_measured_fraction_theta_max    0.990
_diffrn_reflns_theta_full              26.07
_diffrn_measured_fraction_theta_full   0.990
_refine_diff_density_max    0.573
_refine_diff_density_min   -0.386
_refine_diff_density_rms    0.062
2楼2008-04-20 13:20:51
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

li_junxia6281

木虫 (著名写手)

加在_chemical_name_systematic后面。

加在_chemical_name_systematic后面。给你的晶体命名,就会显示绝对构型了,无论是r还是s构型。
3楼2008-06-18 17:52:02
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gujm516

金虫 (小有名气)

加在分子信息栏的最后,如下所示:

_chemical_formula_sum                  'C15 H16 O4 '
_chemical_formula_moiety               'C15 H16 O4 '
_chemical_formula_weight               260.29
_chemical_melting_point                ?
_chemical_absolute_configuration       ' rm '
4楼2008-06-18 19:19:31
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