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_7124315
_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         'Be H6 I2 N2'
_chemical_formula_sum            'Be H6 I2 N2'
_chemical_formula_weight         296.88
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_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                 102.674(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.2739(4)
_cell_length_b                   13.1326(6)
_cell_length_c                   7.3586(4)
_cell_measurement_reflns_used    10557
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      158.44
_cell_measurement_theta_min      14.06
_cell_volume                     685.80(6)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 5.81
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.993
_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  0.0613
_diffrn_reflns_av_unetI/netI     0.0298
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            11337
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         79.205
_diffrn_reflns_theta_min         7.029
_diffrn_source                   'GeniX 3D HF Cu'
_exptl_absorpt_coefficient_mu    71.021
_exptl_absorpt_correction_T_max  0.6156
_exptl_absorpt_correction_T_min  0.0010
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE LANA, absorption correction by scaling of reflection intensities.
J. Koziskova, F. Hahn, J. Richter, J. Kozisek, "Comparison of different
absorption corrections on the model structure of tetrakis(\m~2~-acetato)-
diaqua-di-copper(II)", Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
Afterwards a spherical absorption correction was performed within STOE LANA.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.875
_exptl_crystal_description       block
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.04
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.522
_refine_diff_density_min         -2.272
_refine_diff_density_rms         0.302
_refine_ls_extinction_coef       0.00060(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     49
_refine_ls_number_reflns         1482
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0640
_refine_ls_R_factor_gt           0.0485
_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^)+(0.0703P)^2^+10.2968P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1170
_refine_ls_wR_factor_ref         0.1285
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1219
_reflns_number_total             1482
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc07712j2.cif
_cod_data_source_block           4_CCDC1
_cod_database_code               7124315
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              71635