Control of Crystal Structures and Optical Properties with Hybrid Formamidinium and 2-Hydroxyethylammonium Cations for Mesoscopic Carbon-Electrode Tin-Based Perovskite Solar Cells
Tsai, Cheng-Min; Lin, Yu-Pei; Pola, Murali Krishna; Narra, Sudhakar; Jokar, Efat; Yang, Yaw-Wen; Diau, Eric Wei-Guang; ACS Energy Letters 3 (2018) 2077–; doi:10.1021/acsenergylett.8b01046

data_4516200
_publ_section_title
;
 Control of Crystal Structures and Optical Properties with Hybrid
 Formamidinium and 2-Hydroxyethylammonium Cations for Mesoscopic
 Carbon-Electrode Tin-Based Perovskite Solar Cells
;
_journal_issue                   9
_journal_name_full               'ACS Energy Letters'
_journal_page_first              2077
_journal_paper_doi               10.1021/acsenergylett.8b01046
_journal_volume                  3
_journal_year                    2018
_chemical_formula_sum            'C1.4 H6.2 I3 N1.6 O0.4 Sn'
_chemical_formula_weight         551.27
_space_group_crystal_system      trigonal
_space_group_IT_number           146
_space_group_name_Hall           'R 3'
_space_group_name_H-M_alt        'R 3 :H'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   8.920(4)
_cell_length_b                   8.920(4)
_cell_length_c                   10.934(4)
_cell_measurement_reflns_used    153
_cell_measurement_temperature    296.(2)
_cell_measurement_theta_max      24.9332
_cell_measurement_theta_min      3.1994
_cell_volume                     753.4(6)
_computing_cell_refinement       'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_data_reduction        'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'APEX II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'Highly-Ordered Pyrolytic Graphite'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0256
_diffrn_reflns_av_sigmaI/netI    0.0121
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4290
_diffrn_reflns_theta_full        24.94
_diffrn_reflns_theta_max         24.94
_diffrn_reflns_theta_min         3.23
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Mo K\a'
_exptl_absorpt_coefficient_mu    11.691
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6729
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    3.645
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       octahedral
_exptl_crystal_F_000             714
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_platon_squeeze_details
;

TITL 146.ins in R3                                                             
CELL    8.9200    8.9200   10.9340     90.00     90.00    120.00
SPGR R3          
C101 1.000 0.993 0.031 !      18.90 eA-3
C102 1.000 1.007 0.688 !      15.35 eA-3
C103 0.843 0.685 0.842 !      11.71 eA-3
Q104 0.993 0.499 0.515 !       9.05 eA-3
C105 0.997 0.991 0.907 !       3.81 eA-3
C106 0.375 0.748 0.467 !       2.61 eA-3
C107 0.428 0.726 0.608 !       2.10 eA-3
C108 0.475 0.217 0.143 !       1.78 eA-3
C109 0.485 0.742 0.515 !       1.41 eA-3
Q110 0.867 0.720 0.485 !       1.40 eA-3
Q111 0.805 0.186 0.568 !       1.39 eA-3
Q112 0.999 1.005 0.501 !       1.24 eA-3
Q113 1.001 0.994 0.218 !       1.23 eA-3
C114 0.563 0.125 0.263 !       1.16 eA-3
Q115 0.408 0.715 0.794 !       1.06 eA-3
Q116 0.935 0.750 0.733 !       0.98 eA-3
C117 0.463 0.532 0.315 !       0.98 eA-3
Q118 0.663 0.322 0.911 !       0.96 eA-3
Q119 0.659 0.401 0.937 !       0.93 eA-3
Q120 0.593 0.338 0.936 !       0.85 eA-3
Q121 0.684 0.597 0.207 !       0.84 eA-3
C122 0.033 0.156 0.885 !       0.82 eA-3
Q123 0.428 0.553 0.145 !       0.78 eA-3
Q124 0.300 0.222 0.360 !       0.78 eA-3
Q125 0.959 0.540 0.688 !       0.76 eA-3
Q126 0.774 0.690 0.364 !       0.75 eA-3
Q127 0.249 0.059 0.735 !       0.73 eA-3
C128 0.854 0.966 0.893 !       0.72 eA-3
Q129 0.750 0.536 0.469 !       0.64 eA-3
Q130 0.747 1.006 0.873 !       0.61 eA-3
Q131 0.598 0.533 0.360 !       0.57 eA-3
Q132 0.410 0.124 0.094 !       0.56 eA-3
Q133 0.257 0.744 0.326 !       0.56 eA-3
Q134 0.910 0.661 0.669 !       0.53 eA-3
Q135 0.874 0.438 0.576 !       0.53 eA-3
Q136 0.496 0.747 0.327 !       0.53 eA-3
Q137 0.510 0.752-0.002 !       0.51 eA-3
)
;
_refine_diff_density_max         3.502
_refine_diff_density_min         -1.547
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.3(5)
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.296
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     29
_refine_ls_number_reflns         602
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.292
_refine_ls_R_factor_all          0.0844
_refine_ls_R_factor_gt           0.0802
_refine_ls_shift/su_max          3.671
_refine_ls_shift/su_mean         0.380
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1150P)^2^+38.8687P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2229
_refine_ls_wR_factor_ref         0.2287
_reflns_number_gt                546
_reflns_number_total             602
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nz8b01046_si_002.cif
_cod_data_source_block           I
_cod_original_cell_volume        753.4(5)
_cod_original_sg_symbol_H-M      'R 3'
_cod_original_formula_sum        'C1.40 H6.20 I3 N1.60 O0.40 Sn'
_cod_database_code               4516200