Magnesium hydrides and the dearomatisation of pyridine and quinoline derivatives.
Hill, Michael S.; Kociok-Köhn, Gabriele; Macdougall, Dugald J.; Mahon, Mary F.; Weetman, Catherine; Dalton transactions (Cambridge, England : 2003) 40 (2011) 12500–12509; doi:10.1039/c1dt11235j

data_7017382
_publ_section_title
;
 Magnesium hydrides and the dearomatisation of pyridine and quinoline
 derivatives.
;
_journal_issue                   46
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12500
_journal_page_last               12509
_journal_paper_doi               10.1039/c1dt11235j
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C41 H56 Mg N4'
_chemical_formula_weight         629.21
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 105.416(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   35.9897(12)
_cell_length_b                   15.3126(3)
_cell_length_c                   14.6944(5)
_cell_measurement_reflns_used    44826
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.910
_cell_volume                     7806.7(4)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV 1997-2004)'
_computing_data_reduction        'Denzo & Scalepack (Otwinowski, Minor 1997)'
_computing_molecular_graphics    'ORTEX (P.McArdle 1995)'
_computing_publication_material  'SHELXL-97/2 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97/2 (Sheldrick 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  '95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0882
_diffrn_reflns_av_sigmaI/netI    0.0529
_diffrn_reflns_limit_h_max       42
_diffrn_reflns_limit_h_min       -42
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            55881
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         4.04
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.936
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.071
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2736
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.341
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     427
_refine_ls_number_reflns         6839
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.1199
_refine_ls_R_factor_gt           0.0663
_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^)+(0.0730P)^2^+12.1547P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1561
_refine_ls_wR_factor_ref         0.1913
_reflns_number_gt                4207
_reflns_number_total             6839
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11235j.txt
_cod_data_source_block           6-h10msh25
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7017382