Structural diversity in pyridine and polypyridine adducts of ring slipped manganocene: correlating ligand steric bulk with quantified deviation from ideal hapticity.
Cannella, Anthony F.; Dey, Suman Kr; MacMillan, Samantha N.; Lacy, David C.; Dalton transactions (Cambridge, England : 2003) 47 (2018) 5171–5180; doi:10.1039/C8DT00537K

data_7702184
_publ_section_title
;
 Structural diversity in pyridine and polypyridine adducts of ring slipped
 manganocene: correlating ligand steric bulk with quantified deviation
 from ideal hapticity.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5171
_journal_page_last               5180
_journal_paper_doi               10.1039/C8DT00537K
_journal_volume                  47
_journal_year                    2018
_chemical_formula_sum            'C34 H26 Mn N2'
_chemical_formula_weight         517.51
_space_group_crystal_system      tetragonal
_space_group_IT_number           114
_space_group_name_Hall           'P -4 2n'
_space_group_name_H-M_alt        'P -4 21 c'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-02-06 deposited with the CCDC.
2018-03-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.1372(7)
_cell_length_b                   12.1372(7)
_cell_length_c                   21.6505(14)
_cell_measurement_reflns_used    9832
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      30.33
_cell_measurement_theta_min      2.52
_cell_volume                     3189.4(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0316
_diffrn_reflns_av_unetI/netI     0.0165
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            83057
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.699
_diffrn_reflns_theta_min         2.521
_exptl_absorpt_coefficient_mu    0.435
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6979
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2014/5'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.078
_exptl_crystal_description       Block
_exptl_crystal_F_000             1076
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.250
_refine_diff_density_max         0.632
_refine_diff_density_min         -0.199
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details
; 
 Flack x determined using 1505 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   -0.015(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         4117
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0409
_refine_ls_R_factor_gt           0.0370
_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^)+(0.0745P)^2^+0.3382P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1084
_refine_ls_wR_factor_ref         0.1129
_reflns_Friedel_coverage         0.792
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                3680
_reflns_number_total             4117
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt00537k2.cif
_cod_data_source_block           lacy1_a_sq
_cod_original_cell_volume        3189.4(4)
_cod_database_code               7702184
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.845
_shelx_estimated_absorpt_t_max   0.899
_shelx_res_checksum              81010
_shelx_fab_checksum              36118