3-Bromotetrazine: labelling of macromolecules via monosubstituted bifunctional s-tetrazines
Schnell, Simon D.; Hoff, Lukas V.; Panchagnula, Advaita; Wurzenberger, Maximilian H. H.; Klapötke, Thomas M.; Sieber, Simon; Linden, Anthony; Gademann, Karl; Chemical Science 11 (2020) 3042–3047; doi:10.1039/C9SC06169J

data_1557295
_publ_section_title
;
 3-Bromotetrazine: labelling of macromolecules via monosubstituted
 bifunctional s-tetrazines
;
_journal_issue                   11
_journal_name_full               'Chemical Science'
_journal_page_first              3042
_journal_page_last               3047
_journal_paper_doi               10.1039/C9SC06169J
_journal_volume                  11
_journal_year                    2020
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C17 H21 N5 O5'
_chemical_formula_sum            'C17 H21 N5 O5'
_chemical_formula_weight         375.39
_chemical_melting_point          393
_chemical_name_systematic        Boc-Tyr(Tet)-OMe
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-10-11 deposited with the CCDC.	2020-02-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.704(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   32.663(2)
_cell_length_b                   5.1610(2)
_cell_length_c                   11.0162(6)
_cell_measurement_reflns_used    3168
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      71.0480
_cell_measurement_theta_min      4.0210
_cell_volume                     1850.79(17)
_computing_cell_refinement
'CrysAlisPro, Version 1.171.40.39a (Rigaku Oxford Diffraction, 2019)'
_computing_data_collection
'CrysAlisPro, Version 1.171.40.39a (Rigaku Oxford Diffraction, 2019)'
_computing_data_reduction
'CrysAlisPro, Version 1.171.40.39a (Rigaku Oxford Diffraction, 2019)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL-2018 and PLATON (Spek, 2015)'
_computing_structure_refinement  'SHELXL-2018 (Sheldrick, 2015b)'
_computing_structure_solution    'SHELXT-2018 (Sheldrick, 2015a)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      160(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 10.3801
_diffrn_detector_type            'Atlas CCD area detector on \k goniostat'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device       'four-circle \k-geometry diffractometer'
_diffrn_measurement_device_type
'Oxford Diffraction SuperNova, dual radiation diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0635
_diffrn_reflns_av_unetI/netI     0.0452
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            13382
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.967
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.150
_diffrn_reflns_theta_min         2.715
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray source'
_exptl_absorpt_coefficient_mu    0.849
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.56496
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Empirical absorption correction using spherical harmonics,
implemented in the SCALE3 ABSPACK scaling algorithm.
CrysAlisPro, Version 1.171.40.39a (Rigaku Oxford Diffraction, 2019)
;
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.347
_exptl_crystal_description       needle
_exptl_crystal_F_000             792
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: diethyl ether'
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.288
_refine_diff_density_min         -0.175
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details
;
 Flack x determined using 1051 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.0(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     252
_refine_ls_number_reflns         3606
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0664
_refine_ls_R_factor_gt           0.0541
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0850P)^2^+0.5336P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1433
_refine_ls_wR_factor_ref         0.1556
_reflns_Friedel_coverage         0.754
_reflns_Friedel_fraction_full    0.971
_reflns_Friedel_fraction_max     0.942
_reflns_number_gt                2965
_reflns_number_total             3606
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc06169j2.cif
_cod_data_source_block           23
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_hydrogens' value 'geom & difmap' was
changed to 'mixed'.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 1557290--1557295.cif.

 Adding full bibliography for 1557290--1557295.cif.
;
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               1557295
_shelx_shelxl_version_number     2018/3
_oxdiff_exptl_absorpt_empirical_full_min 0.663
_oxdiff_exptl_absorpt_empirical_full_max 1.650
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              40968