Preparation and Crystal Structures of the Beryllium Ammines [Be(NH3)4]X2 (X = Br, I, CN, SCN, N3) and Be(NH3)2X’2 (X’ = Cl, Br, I).
Müller, Matthias; Buchner, Magnus Richard; Chemical Communications  (2019) –; doi:10.1039/C9CC07712J

data_7124319
_publ_section_title
;
 Preparation and Crystal Structures of the Beryllium Ammines [Be(NH3)4]X2
 (X = Br, I, CN, SCN, N3) and Be(NH3)2X&#x2019;2 (X&#x2019; = Cl, Br, I).
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC07712J
_journal_year                    2019
_chemical_formula_moiety         'C2 H12 Be1 N6'
_chemical_formula_sum            'C2 H12 Be N6'
_chemical_formula_weight         129.19
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-09-26 deposited with the CCDC.    2019-10-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1188(3)
_cell_length_b                   12.6103(6)
_cell_length_c                   6.9022(3)
_cell_measurement_reflns_used    6773
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      158.34
_cell_measurement_theta_min      11.98
_cell_volume                     793.69(6)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 5.81
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'STOE STADIVARI'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0367
_diffrn_reflns_av_unetI/netI     0.0315
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       4
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            8066
_diffrn_reflns_point_group_measured_fraction_full 0.836
_diffrn_reflns_point_group_measured_fraction_max 0.810
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         78.681
_diffrn_reflns_theta_min         5.988
_diffrn_source                   'GeniX 3D HF Cu'
_exptl_absorpt_coefficient_mu    0.626
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.081
_exptl_crystal_description       block
_exptl_crystal_F_000             280
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.134
_refine_diff_density_min         -0.155
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.4(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         1390
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0457
_refine_ls_R_factor_gt           0.0336
_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^)+(0.0505P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0813
_refine_ls_wR_factor_ref         0.0866
_reflns_Friedel_coverage         0.508
_reflns_Friedel_fraction_full    0.643
_reflns_Friedel_fraction_max     0.596
_reflns_number_gt                1129
_reflns_number_total             1390
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc07712j2.cif
_cod_data_source_block           FVAR2
_cod_database_code               7124319
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              29717