Evaluation of Sn(II) Aminoalkoxide Precursors for Atomic Layer Deposition of SnO Thin Films. Invitation: Dalton Transactions web collection themed around the topic of tin chemistry
Johnson, Andrew Lee; Paish, James David; Snook, Michael; Dalton Transactions  (2021) –; doi:10.1039/D1DT02480A

data_7708247
_publ_section_title
;
 Evaluation of Sn(II) Aminoalkoxide Precursors for Atomic Layer Deposition
 of SnO Thin Films. Invitation: Dalton Transactions web collection themed
 around the topic of tin chemistry
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D1DT02480A
_journal_year                    2021
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H60 N2 O4 Si4 Sn2'
_chemical_formula_sum            'C22 H60 N4 O2 Si4 Sn2'
_chemical_formula_weight         762.48
_chemical_properties_physical
Air-sensitive,Moisture-sensitive,Oxygen-sensitive
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2021-01-12 deposited with the CCDC.	2021-09-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.53720(10)
_cell_length_b                   12.18560(10)
_cell_length_c                   14.37850(10)
_cell_measurement_reflns_used    24069
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      72.9540
_cell_measurement_theta_min      3.6300
_cell_volume                     3598.34(4)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics
'ORTEP3 for Windows - Farrugia, L. J. J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material
;
 'WinGX publication routines, Farrugia, 
 L. J., J. Appl. Crystallogr., 1999, 32, 837-838
;
_computing_structure_refinement
;
 SHELXL-2018/3 (Sheldrick, 2018)
 Sheldrick GM (2008) Acta Crystallogr A64:112--122 and 
 C. B. H\"ubschle, G. M. Sheldrick and B. Dittrich
 ShelXle: a Qt graphical user interface for SHELXL
 J. Appl. Cryst., 44, (2011) 1281-1284.
;
_computing_structure_solution
; 
 SHELXT
 Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
;
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1150
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0390
_diffrn_reflns_av_unetI/netI     0.0292
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            35425
_diffrn_reflns_point_group_measured_fraction_full 0.943
_diffrn_reflns_point_group_measured_fraction_max 0.934
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.116
_diffrn_reflns_theta_min         3.627
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    12.523
_exptl_absorpt_correction_T_max  0.299
_exptl_absorpt_correction_T_min  0.045
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Numerical absorption correction based on gaussian integration over
			a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.415
_exptl_crystal_description       block
_exptl_crystal_F_000             1576
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Hexane'
_exptl_crystal_size_max          0.267
_exptl_crystal_size_mid          0.218
_exptl_crystal_size_min          0.188
_refine_diff_density_max         1.231
_refine_diff_density_min         -1.143
_refine_diff_density_rms         0.110
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
additionally one SiMe3 group and one NMe2CHOCMe group 
are disordered in the ratio 55:45
;
_refine_ls_abs_structure_Flack   0.034(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         6731
_refine_ls_number_restraints     26
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0645P)^2^+5.0287P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1115
_refine_ls_wR_factor_ref         0.1119
_reflns_Friedel_coverage         0.794
_reflns_Friedel_fraction_full    0.881
_reflns_Friedel_fraction_max     0.865
_reflns_number_gt                6641
_reflns_number_total             6731
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt02480a2.cif
_cod_data_source_block           2b
_cod_database_code               7708247
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.135
_shelx_estimated_absorpt_t_max   0.202
_oxdiff_exptl_absorpt_empirical_full_min 0.846
_oxdiff_exptl_absorpt_empirical_full_max 1.219
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              42761
_shelx_hkl_checksum              85528