Alkaline-earth metallacyclic complexes bearing a diborane-bridged tetraamide ligand: synthesis, structure and fluorescence property.
Li, Nan; Zhao, Zifeng; Yu, Chao; Wu, Botao; Bian, Zuqiang; Zhang, Wen-Xiong; Xi, Zhenfeng; Dalton transactions (Cambridge, England : 2003) 48 (2019) 9067–9071; doi:10.1039/c9dt02118c

data_1551210
_publ_section_title
;
 Alkaline-earth metallacyclic complexes bearing a diborane-bridged
 tetraamide ligand: synthesis, structure and fluorescence property.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9067
_journal_page_last               9071
_journal_paper_doi               10.1039/c9dt02118c
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C56 H120 B2 Ca2 N22 O6 P6'
_chemical_formula_sum            'C56 H120 B2 Ca2 N22 O6 P6'
_chemical_formula_weight         1485.33
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2019-04-27
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-04-28 deposited with the CCDC.    2019-06-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 112.347(6)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.5167(7)
_cell_length_b                   23.8825(10)
_cell_length_c                   14.1982(8)
_cell_measurement_reflns_used    11504
_cell_measurement_temperature    180.00(10)
_cell_measurement_theta_max      30.1780
_cell_measurement_theta_min      3.7550
_cell_volume                     3925.5(4)
_computing_cell_refinement       'CrysAlisPro 1.171.39.33c (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.33c (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.33c (Rigaku OD, 2017)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      180.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -32.00   0.00   0.50   15.00    --   -3.50 -82.00 -30.00   64
  2  \w     51.00  77.00   0.50   15.00    --   -3.50  38.00   0.00   52
  3  \w    -33.00   0.00   0.50   15.00    --   -3.50 -82.00 -90.00   66
  4  \w    -26.00  17.00   0.50   15.00    --   -3.50  38.00   0.00   86
  5  \w    -34.00  38.00   0.50   15.00    --    3.60 -82.00 120.00  144
  6  \w    -14.00  76.00   0.50   15.00    --    3.60  38.00 -90.00  180
  7  \w    -22.00   4.00   0.50   15.00    --    3.60  17.00-131.20   52
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa single'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0200394000
_diffrn_orient_matrix_UB_12      0.0278606000
_diffrn_orient_matrix_UB_13      0.0006279000
_diffrn_orient_matrix_UB_21      0.0381230000
_diffrn_orient_matrix_UB_22      -0.0034807000
_diffrn_orient_matrix_UB_23      0.0514245000
_diffrn_orient_matrix_UB_31      0.0435812000
_diffrn_orient_matrix_UB_32      -0.0096850000
_diffrn_orient_matrix_UB_33      -0.0164521000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0668
_diffrn_reflns_av_unetI/netI     0.0483
_diffrn_reflns_Laue_measured_fraction_full 0.982
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            38547
_diffrn_reflns_point_group_measured_fraction_full 0.982
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.027
_diffrn_reflns_theta_max         25.027
_diffrn_reflns_theta_min         3.412
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.326
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.41876
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.33c (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear yellowish yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   yellowish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_description       block
_exptl_crystal_F_000             1596
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.063
_refine_diff_density_min         -0.636
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     452
_refine_ls_number_reflns         6810
_refine_ls_number_restraints     658
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0986
_refine_ls_R_factor_gt           0.0871
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1327P)^2^+9.5905P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2293
_refine_ls_wR_factor_ref         0.2398
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5720
_reflns_number_total             6810
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt02118c2.cif
_cod_data_source_block           3b
_cod_depositor_comments
'Adding full bibliography for 1551209--1551214.cif.'
_cod_database_code               1551210
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C H O P Ca B N'
_shelx_estimated_absorpt_t_max   0.968
_shelx_estimated_absorpt_t_min   0.968
_reflns_odcompleteness_completeness 98.68
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     27.42
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 N9-C23
 1.5 with sigma of 0.01
 H25B-H26B
 2 with sigma of 0.02
3. Rigid bond restraints
 N9, C24
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
 N9, C23
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
4. Uiso/Uaniso restraints and constraints
C4 \\sim C5 \\sim C10 \\sim C9 \\sim C8 \\sim C7 \\sim C6 \\sim C1 \\sim C2
\\sim C3 \\sim C11 \\sim C12 \\sim C13 \\sim C14 \\sim C15 \\sim C16 \\sim C17
\\sim C18 \\sim C19 \\sim C20 \\sim C21 \\sim C22 \\sim C23 \\sim C24 \\sim C25
\\sim C26 \\sim C27 \\sim C28: within 5A with sigma of 0.01 and sigma for
terminal atoms of 0.02
Uanis(N11) \\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
5. Others
 Sof(O3)=1-FVAR(1)
 Sof(O16)=FVAR(1)
6.a Aromatic/amide H refined with riding coordinates:
 C9(H9), C8(H8), C7(H7), C1(H1), C2(H2), C3(H3)
6.b Idealised Me refined as rotating group:
 C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C14(H14A,H14B,
 H14C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C18(H18A,
 H18B,H18C), C19(H19A,H19B,H19C), C20(H20A,H20B,H20C), C21(H21A,H21B,H21C),
 C22(H22A,H22B,H22C), C23(H23A,H23B,H23C), C24(H24A,H24B,H24C), C25(H25A,H25B,
 H25C), C26(H26A,H26B,H26C), C27(H27A,H27B,H27C), C28(H28A,H28B,H28C)
;
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.388
_oxdiff_exptl_absorpt_empirical_full_min 0.523