#------------------------------------------------------------------------------
#$Date: 2025-08-22 10:56:18 +0200 (Fri 22 de Aug de 2025) $
#$Revision: 301860 $
#$URL: svn://www.crystallography.net/cod/cif/7/12/21/7122167.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_7122167
loop_
_publ_author_name
'Negi, Lalita'
'Shrivastava, Ashutosh'
'Das, Dinabandhu'
_publ_section_title
;
 Switching from positive to negative axial thermal expansion in two
 organic crystalline compounds with similar packing.
;
_journal_issue                   76
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              10675
_journal_page_last               10678
_journal_paper_doi               10.1039/c8cc05859h
_journal_volume                  54
_journal_year                    2018
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C14 H14 O2'
_chemical_formula_sum            'C14 H14 O2'
_chemical_formula_weight         214.25
_chemical_melting_point          397.32
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2018-07-14 deposited with the CCDC.
2018-08-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.7057(5)
_cell_length_b                   7.5595(6)
_cell_length_c                   28.152(3)
_cell_measurement_reflns_used    2725
_cell_measurement_temperature    270(2)
_cell_measurement_theta_max      26.57
_cell_measurement_theta_min      2.79
_cell_volume                     1214.26(19)
_computing_cell_refinement       'Bruker APEX-III'
_computing_data_collection       'Bruker APEX-III'
_computing_data_reduction        'Bruker SAINT '
_computing_molecular_graphics    'XSEED (Barbour 2017)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      270(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CMOS detector'
_diffrn_measurement_method       'φ and ω scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0627
_diffrn_reflns_av_unetI/netI     0.0742
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            13376
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         28.342
_diffrn_reflns_theta_min         2.790
_diffrn_source                   microfocus
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.7081
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.172
_exptl_crystal_density_meas      ?
_exptl_crystal_description       Block
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.222
_exptl_crystal_size_mid          0.096
_exptl_crystal_size_min          0.077
_refine_diff_density_max         0.151
_refine_diff_density_min         -0.140
_refine_diff_density_rms         0.034
_refine_ls_abs_structure_details
;
 Flack x determined using 514 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   1.2(8)
_refine_ls_extinction_coef       0.019(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         3030
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.1236
_refine_ls_R_factor_gt           0.0498
_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/[σ²(Fo²)+(0.0409P)²+0.0609P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0860
_refine_ls_wR_factor_ref         0.1053
_reflns_Friedel_coverage         0.691
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                1746
_reflns_number_total             3030
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            c8cc05859h2.cif
_cod_data_source_block           1_270K
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7122148--7122167.cif.
;
_cod_original_cell_volume        1214.24(18)
_cod_database_code               7122167
_shelx_shelxl_version_number     2018/3
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelx_estimated_absorpt_t_min   0.983
_shelx_estimated_absorpt_t_max   0.994
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x+1/2, -y, z+1/2'
'x+1/2, -y+1/2, -z'
'-x, y+1/2, -z+1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
C1 C 0.8877(6) 0.3638(4) 0.06635(11) 0.0794(11) Uani 1 1 d . .
H1A H 0.952246 0.360303 0.034869 0.119 Uiso 1 1 calc R U
H1B H 0.874161 0.245486 0.078458 0.119 Uiso 1 1 calc R U
H1C H 0.988923 0.431422 0.086648 0.119 Uiso 1 1 calc R U
C2 C 0.6487(5) 0.4487(3) 0.06489(9) 0.0439(7) Uani 1 1 d . .
H2 H 0.547655 0.377444 0.044242 0.053 Uiso 1 1 calc R U
C3 C 0.5420(5) 0.4555(3) 0.11220(9) 0.0427(7) Uani 1 1 d . .
C4 C 0.4590(5) 0.4515(3) 0.15081(9) 0.0425(7) Uani 1 1 d . .
C5 C 0.3552(5) 0.4418(3) 0.19756(8) 0.0364(6) Uani 1 1 d . .
C6 C 0.1415(5) 0.3575(3) 0.20410(9) 0.0424(7) Uani 1 1 d . .
H6 H 0.062543 0.310405 0.178112 0.051 Uiso 1 1 calc R U
C7 C 0.0458(5) 0.3433(3) 0.24873(9) 0.0390(7) Uani 1 1 d . .
H7 H -0.097054 0.285864 0.252604 0.047 Uiso 1 1 calc R U
C8 C 0.1583(5) 0.4130(3) 0.28792(8) 0.0350(6) Uani 1 1 d . .
C9 C 0.3714(5) 0.4981(3) 0.28154(9) 0.0414(7) Uani 1 1 d . .
H9 H 0.449377 0.545642 0.307582 0.050 Uiso 1 1 calc R U
C10 C 0.4684(5) 0.5126(3) 0.23685(9) 0.0403(7) Uani 1 1 d . .
H10 H 0.611060 0.570321 0.232988 0.048 Uiso 1 1 calc R U
C11 C 0.0512(5) 0.3975(3) 0.33397(10) 0.0424(7) Uani 1 1 d . .
C12 C -0.0467(5) 0.3805(3) 0.37092(9) 0.0433(7) Uani 1 1 d . .
C13 C -0.1706(5) 0.3581(3) 0.41635(9) 0.0422(7) Uani 1 1 d . .
H13 H -0.239010 0.239281 0.417281 0.051 Uiso 1 1 calc R U
C14 C -0.3631(5) 0.4913(4) 0.42323(10) 0.0574(8) Uani 1 1 d . .
H14A H -0.438784 0.470755 0.453179 0.086 Uiso 1 1 calc R U
H14B H -0.475574 0.479919 0.398049 0.086 Uiso 1 1 calc R U
H14C H -0.297972 0.608409 0.422845 0.086 Uiso 1 1 calc R U
O1 O 0.6625(4) 0.6233(2) 0.04558(7) 0.0461(5) Uani 1 1 d . .
O2 O -0.0093(4) 0.3755(3) 0.45503(6) 0.0524(6) Uani 1 1 d . .
H1 H 0.614(6) 0.623(4) 0.0173(12) 0.083(12) Uiso 1 1 d . .
H2A H 0.107(6) 0.296(4) 0.4494(11) 0.090(13) Uiso 1 1 d . .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
O1 C2 C3 109.6(2)
O1 C2 C1 110.7(2)
C3 C2 C1 111.5(2)
C4 C3 C2 176.4(3)
C3 C4 C5 178.4(3)
C10 C5 C6 118.7(2)
C10 C5 C4 121.0(2)
C6 C5 C4 120.3(2)
C7 C6 C5 120.4(2)
C6 C7 C8 121.1(2)
C7 C8 C9 118.7(2)
C7 C8 C11 119.4(2)
C9 C8 C11 121.8(2)
C10 C9 C8 120.5(2)
C9 C10 C5 120.6(2)
C12 C11 C8 176.7(3)
C11 C12 C13 179.2(3)
O2 C13 C12 110.0(2)
O2 C13 C14 108.1(2)
C12 C13 C14 112.7(2)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 C2 1.508(4)
C2 O1 1.429(3)
C2 C3 1.465(4)
C3 C4 1.186(3)
C4 C5 1.445(3)
C5 C10 1.388(3)
C5 C6 1.388(4)
C6 C7 1.374(3)
C7 C8 1.381(3)
C8 C9 1.387(3)
C8 C11 1.438(4)
C9 C10 1.379(3)
C11 C12 1.188(3)
C12 C13 1.471(4)
C13 O2 1.432(3)
C13 C14 1.502(3)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139189013
