The iodine–oxygen halogen bond: solid-state structures of 3-iodopropiolamides
Kratzer, Philipp; Ramming, Bastian; Römisch, Steven; Maas, Gerhard; CrystEngComm 17 (2015) 4486–; doi:10.1039/C5CE00365B

data_1519675
_publ_section_title
;
 The iodine--oxygen halogen bond: solid-state structures of
 3-iodopropiolamides
;
_journal_issue                   24
_journal_name_full               CrystEngComm
_journal_page_first              4486
_journal_paper_doi               10.1039/C5CE00365B
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C4 H4 I N O'
_chemical_formula_weight         208.98
_chemical_melting_point          449
_chemical_name_systematic        3-Iodo-N-methyl-propiolamide
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-01-20 deposited with the CCDC.
2015-05-15 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.1674(10)
_cell_length_b                   4.1334(3)
_cell_length_c                   9.0094(6)
_cell_measurement_reflns_used    1349
_cell_measurement_temperature    180.1(2)
_cell_measurement_theta_max      29.4840
_cell_measurement_theta_min      4.5280
_cell_volume                     602.07(7)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      180.1(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.3385
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0262
_diffrn_reflns_av_sigmaI/netI    0.0368
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            1756
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.39
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    5.202
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.87902
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             384
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: diethyl ether'
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.471
_refine_diff_density_min         -0.817
_refine_diff_density_rms         0.132
_refine_ls_abs_structure_details
;
 Flack x determined using 309 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.07(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     65
_refine_ls_number_reflns         992
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0253
_refine_ls_R_factor_gt           0.0232
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0255P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0528
_refine_ls_wR_factor_ref         0.0547
_reflns_number_gt                935
_reflns_number_total             992
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce00365b2.cif
_cod_data_source_block           added_by_encifer
_cod_depositor_comments
'Adding full bibliography for 1519670--1519675.cif.'
_cod_original_sg_symbol_H-M      'P c a 2(1)'
_cod_database_code               1519675
_shelxl_version_number           2014/6
_shelx_res_checksum              12061