#------------------------------------------------------------------------------
#$Date: 2016-03-24 02:49:30 +0200 (Thu, 24 Mar 2016) $
#$Revision: 179598 $
#$URL: svn://www.crystallography.net/cod/cif/4/50/62/4506277.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_4506277
loop_
_publ_author_name
'Gustafsson, Mikaela'
'Su, Jie'
'Yue, Huijuan'
'Yao, Qingxia'
'Zou, Xiaodong'
_publ_section_title
;
 A Family of Flexible Lanthanide Bipyridinedicarboxylate Metal--Organic
 Frameworks Showing Reversible Single-Crystal to Single-Crystal
 Transformations
;
_journal_issue                   6
_journal_name_full               'Crystal Growth & Design'
_journal_page_first              3243
_journal_paper_doi               10.1021/cg300379u
_journal_volume                  12
_journal_year                    2012
_chemical_formula_sum            'C36 H18 Gd2 N6 O15'
_chemical_formula_weight         1089.06
_chemical_name_common            SUMOF-6-Gd(dry)
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.137(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   27.0154(19)
_cell_length_b                   11.5213(18)
_cell_length_c                   16.995(3)
_cell_measurement_reflns_used    4953
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      33.2064
_cell_measurement_theta_min      3.9650
_cell_volume                     5236.5(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.5467
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1798
_diffrn_reflns_av_sigmaI/netI    0.1593
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            65016
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.97
_exptl_absorpt_coefficient_mu    2.569
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.96155
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rhombic
_exptl_crystal_F_000             2096
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_platon_squeeze_details
;
;
_refine_diff_density_max         2.335
_refine_diff_density_min         -1.855
_refine_diff_density_rms         0.183
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     450
_refine_ls_number_reflns         10498
_refine_ls_number_restraints     32
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.1800
_refine_ls_R_factor_gt           0.0846
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0800P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1900
_refine_ls_wR_factor_ref         0.2190
_reflns_number_gt                4915
_reflns_number_total             10498
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg300379u_si_002.cif
_cod_data_source_block           4c
_cod_original_cell_volume        5236.4(12)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4506277
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -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_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
Gd1 Gd 0.248095(18) 0.38013(7) 0.30895(4) 0.0602(3) Uani 1 1 d .
Gd2 Gd 0.24916(2) 0.19120(8) 0.53076(4) 0.0712(3) Uani 1 1 d .
O1 O 0.2962(3) 0.4131(13) 0.4277(7) 0.122(5) Uani 1 1 d U
O2 O 0.1857(3) 0.2290(9) 0.2821(7) 0.082(3) Uani 1 1 d .
O3 O 0.2977(3) 0.2103(9) 0.3257(6) 0.078(3) Uani 1 1 d .
O4 O 0.1848(3) 0.4479(9) 0.3827(6) 0.075(3) Uani 1 1 d .
O5 O 0.1966(3) 0.4364(8) 0.1973(5) 0.059(2) Uani 1 1 d .
O6 O 0.3200(3) 0.4240(9) 0.2496(5) 0.073(3) Uani 1 1 d .
O7 O 0.2543(4) 0.5917(12) 0.3070(9) 0.146(6) Uani 1 1 d .
O8 O 0.1743(3) 0.1411(9) 0.5789(6) 0.073(3) Uani 1 1 d .
O9 O 0.2044(3) 0.1673(10) 0.4024(7) 0.087(3) Uani 1 1 d .
O10 O 0.1994(3) 0.3556(10) 0.4986(8) 0.092(4) Uani 1 1 d .
O11 O 0.3109(4) 0.3383(15) 0.5501(7) 0.137(6) Uani 1 1 d .
O12 O 0.2374(5) -0.0367(17) 0.5130(9) 0.175(7) Uani 1 1 d .
O13 O 0.2454(4) 0.2960(16) 0.6598(7) 0.157(7) Uani 1 1 d .
O14 O 0.3116(4) 0.1318(9) 0.4485(7) 0.083(3) Uiso 1 1 d .
O15 O 0.3071(4) 0.394(2) 0.1244(9) 0.235(12) Uani 1 1 d .
C1 C 0.0248(2) 0.4914(8) 0.4943(5) 0.070(4) Uani 1 1 d GD
N2 N 0.0440(3) 0.5508(7) 0.4342(5) 0.083(4) Uani 1 1 d GD
C3 C 0.0923(3) 0.5280(8) 0.4190(5) 0.071(4) Uani 1 1 d GD
H3 H 0.1051 0.5678 0.3787 0.085 Uiso 1 1 calc R
C4 C 0.1214(2) 0.4456(8) 0.4639(5) 0.061(4) Uani 1 1 d GD
C5 C 0.1022(3) 0.3861(8) 0.5240(5) 0.087(5) Uani 1 1 d GD
H5 H 0.1217 0.3309 0.5541 0.104 Uiso 1 1 calc R
C6 C 0.0539(3) 0.4090(8) 0.5392(5) 0.071(5) Uani 1 1 d GD
H6 H 0.0411 0.3692 0.5795 0.085 Uiso 1 1 calc R
C7 C 0.1730(5) 0.4163(13) 0.4467(11) 0.070(5) Uani 1 1 d D
C11 C 0.4756(2) 0.4845(9) 0.5015(5) 0.112(7) Uani 1 1 d GD
C12 C 0.4599(3) 0.4311(11) 0.5671(5) 0.130(7) Uani 0.50 1 d PGD
H12 H 0.4829 0.4143 0.6116 0.156 Uiso 0.50 1 calc PR
C13 C 0.4098(3) 0.4029(11) 0.5660(5) 0.123(8) Uani 1 1 d GD
H13 H 0.3993 0.3672 0.6098 0.148 Uiso 1 1 calc R
C14 C 0.3754(2) 0.4280(10) 0.4993(6) 0.091(6) Uani 1 1 d GD
C15 C 0.3911(3) 0.4814(11) 0.4338(5) 0.135(9) Uani 1 1 d GD
H15 H 0.3680 0.4982 0.3892 0.162 Uiso 1 1 calc R
C16 C 0.4412(3) 0.5096(10) 0.4349(5) 0.109(6) Uani 0.50 1 d PGDU
H16 H 0.4517 0.5454 0.3911 0.131 Uiso 0.50 1 calc PR
N12 N 0.4599(3) 0.4311(11) 0.5671(5) 0.130(7) Uani 0.50 1 d PD
N16 N 0.4412(3) 0.5096(10) 0.4349(5) 0.109(6) Uani 0.50 1 d PDU
C17 C 0.3224(5) 0.391(2) 0.4922(11) 0.122(9) Uani 1 1 d D
C21 C 0.0360(2) 0.0077(9) 0.3299(5) 0.071(4) Uani 1 1 d GD
N22 N 0.0718(3) -0.0070(8) 0.3964(4) 0.082(4) Uani 1 1 d GD
C23 C 0.1186(2) 0.0441(8) 0.3990(4) 0.074(5) Uani 1 1 d GD
H23 H 0.1426 0.0343 0.4435 0.089 Uiso 1 1 calc R
C24 C 0.1296(2) 0.1100(8) 0.3352(5) 0.072(4) Uani 1 1 d GD
C25 C 0.0938(3) 0.1247(10) 0.2687(5) 0.103(7) Uani 1 1 d GD
H25 H 0.1011 0.1688 0.2260 0.124 Uiso 1 1 calc R
C26 C 0.0470(3) 0.0736(11) 0.2661(5) 0.115(8) Uani 1 1 d GD
H26 H 0.0230 0.0834 0.2216 0.138 Uiso 1 1 calc R
C27 C 0.1770(5) 0.1734(13) 0.3398(10) 0.058(4) Uani 1 1 d D
C31 C 0.01150(19) 0.4666(8) 0.1628(5) 0.062(4) Uani 1 1 d GD
N32 N 0.0485(3) 0.4863(9) 0.2270(4) 0.096(5) Uani 1 1 d GD
C33 C 0.0981(2) 0.4617(9) 0.2207(4) 0.086(5) Uani 1 1 d GD
H33 H 0.1229 0.4749 0.2637 0.103 Uiso 1 1 calc R
C34 C 0.11082(19) 0.4174(8) 0.1501(5) 0.051(4) Uani 1 1 d GD
C35 C 0.0738(3) 0.3977(8) 0.0859(4) 0.087(5) Uani 1 1 d GD
H35 H 0.0823 0.3681 0.0387 0.104 Uiso 1 1 calc R
C36 C 0.0242(2) 0.4223(9) 0.0922(4) 0.070(4) Uani 1 1 d GD
H36 H -0.0005 0.4091 0.0493 0.084 Uiso 1 1 calc R
C37 C 0.1640(4) 0.4019(11) 0.1399(7) 0.046(3) Uani 1 1 d D
C41 C 0.4865(2) 0.4894(10) 0.1630(5) 0.084(5) Uani 1 1 d GD
N42 N 0.4667(3) 0.5228(10) 0.2307(5) 0.117(6) Uani 1 1 d GD
C43 C 0.4173(3) 0.4967(10) 0.2379(5) 0.097(6) Uani 1 1 d GD
H43 H 0.4041 0.5190 0.2832 0.116 Uiso 1 1 calc R
C44 C 0.3877(2) 0.4372(9) 0.1774(5) 0.068(4) Uani 1 1 d GD
C45 C 0.4076(3) 0.4038(10) 0.1097(5) 0.113(7) Uani 1 1 d GD
H45 H 0.3878 0.3639 0.0693 0.136 Uiso 1 1 calc R
C46 C 0.4569(3) 0.4299(11) 0.1025(5) 0.110(7) Uani 1 1 d GD
H46 H 0.4702 0.4075 0.0572 0.132 Uiso 1 1 calc R
C47 C 0.3345(4) 0.4158(10) 0.1861(8) 0.047(3) Uiso 1 1 d D
C51 C 0.4647(2) 0.0279(10) 0.3390(5) 0.092(6) Uani 1 1 d GD
C52 C 0.4396(3) 0.1095(11) 0.2879(6) 0.136(9) Uani 1 1 d GD
H52 H 0.4541 0.1375 0.2452 0.163 Uiso 1 1 calc R
C53 C 0.3928(3) 0.1494(11) 0.3007(6) 0.125(8) Uani 1 1 d GD
H53 H 0.3760 0.2040 0.2666 0.150 Uiso 1 1 calc R
C54 C 0.3711(2) 0.1075(10) 0.3646(6) 0.084(5) Uani 1 1 d GD
C55 C 0.3963(3) 0.0258(10) 0.4157(5) 0.112(7) Uani 1 1 d GD
H55 H 0.3818 -0.0022 0.4584 0.134 Uiso 1 1 calc R
N56 N 0.4430(3) -0.0140(9) 0.4029(5) 0.097(5) Uani 1 1 d GD
C57 C 0.3227(5) 0.1541(17) 0.3797(10) 0.102(7) Uani 1 1 d 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'
N N 0.0061 0.0033 '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'
Gd Gd -0.1653 3.9035 '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
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
O1 Gd1 O5 153.6(5) . .
O1 Gd1 O6 86.7(3) . .
O5 Gd1 O6 91.4(3) . .
O1 Gd1 O3 77.8(4) . .
O5 Gd1 O3 127.1(3) . .
O6 Gd1 O3 75.1(3) . .
O1 Gd1 O4 80.9(3) . .
O5 Gd1 O4 86.9(3) . .
O6 Gd1 O4 147.7(4) . .
O3 Gd1 O4 130.0(3) . .
O1 Gd1 O2 125.7(4) . .
O5 Gd1 O2 73.8(3) . .
O6 Gd1 O2 131.7(3) . .
O3 Gd1 O2 78.2(3) . .
O4 Gd1 O2 78.6(3) . .
O1 Gd1 O7 79.3(5) . .
O5 Gd1 O7 75.0(4) . .
O6 Gd1 O7 73.7(4) . .
O3 Gd1 O7 142.0(4) . .
O4 Gd1 O7 74.8(4) . .
O2 Gd1 O7 139.6(4) . .
O15 Gd2 O10 145.5(7) 4_566 .
O15 Gd2 O9 143.4(7) 4_566 .
O10 Gd2 O9 71.1(4) . .
O15 Gd2 O8 100.9(4) 4_566 .
O10 Gd2 O8 77.6(3) . .
O9 Gd2 O8 86.5(3) . .
O15 Gd2 O11 79.3(7) 4_566 .
O10 Gd2 O11 79.9(5) . .
O9 Gd2 O11 118.1(4) . .
O8 Gd2 O11 138.5(4) . .
O15 Gd2 O14 79.5(4) 4_566 .
O10 Gd2 O14 121.0(4) . .
O9 Gd2 O14 75.0(3) . .
O8 Gd2 O14 145.8(4) . .
O11 Gd2 O14 75.5(4) . .
O15 Gd2 O13 73.1(7) 4_566 .
O10 Gd2 O13 73.9(5) . .
O9 Gd2 O13 141.6(4) . .
O8 Gd2 O13 70.9(4) . .
O11 Gd2 O13 69.5(4) . .
O14 Gd2 O13 138.7(4) . .
O15 Gd2 O12 73.3(7) 4_566 .
O10 Gd2 O12 135.8(4) . .
O9 Gd2 O12 75.0(4) . .
O8 Gd2 O12 72.7(4) . .
O11 Gd2 O12 142.5(5) . .
O14 Gd2 O12 74.8(4) . .
O13 Gd2 O12 123.6(5) . .
C17 O1 Gd1 158.5(16) . .
C27 O2 Gd1 115.7(10) . .
C57 O3 Gd1 139.4(11) . .
C7 O4 Gd1 131.3(10) . .
C37 O5 Gd1 144.8(9) . .
C47 O6 Gd1 139.3(9) . .
C37 O8 Gd2 134.9(8) 4_566 .
C27 O9 Gd2 167.9(11) . .
C7 O10 Gd2 149.2(11) . .
C17 O11 Gd2 119.5(10) . .
C57 O14 Gd2 138.0(10) . .
C47 O15 Gd2 162.9(18) . 4_565
N2 C1 C6 120.0 . .
N2 C1 C1 119.8(9) . 3_566
C6 C1 C1 120.1(9) . 3_566
C1 N2 C3 120.0 . .
C4 C3 N2 120.0 . .
C5 C4 C3 120.0 . .
C5 C4 C7 119.0(9) . .
C3 C4 C7 121.0(9) . .
C4 C5 C6 120.0 . .
C5 C6 C1 120.0 . .
O4 C7 O10 126.2(12) . .
O4 C7 C4 117.9(14) . .
O10 C7 C4 115.8(12) . .
C11 C11 C12 123.3(9) 3_666 .
C11 C11 C16 116.7(9) 3_666 .
C12 C11 C16 120.0 . .
C13 C12 C11 120.0 . .
C12 C13 C14 120.0 . .
C15 C14 C13 120.0 . .
C15 C14 C17 117.6(10) . .
C13 C14 C17 122.2(10) . .
C14 C15 C16 120.0 . .
C15 C16 C11 120.0 . .
O11 C17 O1 128.9(13) . .
O11 C17 C14 115.3(14) . .
O1 C17 C14 115.8(15) . .
C31 C21 N22 115.5(6) 2_545 .
C31 C21 C26 123.9(6) 2_545 .
N22 C21 C26 120.0 . .
C21 N22 C23 120.0 . .
C24 C23 N22 120.0 . .
C25 C24 C23 120.0 . .
C25 C24 C27 119.0(9) . .
C23 C24 C27 120.8(9) . .
C24 C25 C26 120.0 . .
C25 C26 C21 120.0 . .
O9 C27 O2 125.0(13) . .
O9 C27 C24 116.0(13) . .
O2 C27 C24 119.0(13) . .
C21 C31 N32 116.3(6) 2 .
C21 C31 C36 123.1(6) 2 .
N32 C31 C36 120.0 . .
C31 N32 C33 120.0 . .
C34 C33 N32 120.0 . .
C35 C34 C33 120.0 . .
C35 C34 C37 119.3(7) . .
C33 C34 C37 120.5(7) . .
C34 C35 C36 120.0 . .
C35 C36 C31 120.0 . .
O8 C37 O5 124.0(10) 4_565 .
O8 C37 C34 119.5(10) 4_565 .
O5 C37 C34 116.5(10) . .
N42 C41 C46 120.0 . .
N42 C41 C51 114.1(6) . 2_655
C46 C41 C51 125.8(6) . 2_655
C41 N42 C43 120.0 . .
N42 C43 C44 120.0 . .
C45 C44 C43 120.0 . .
C45 C44 C47 121.9(7) . .
C43 C44 C47 118.1(7) . .
C44 C45 C46 120.0 . .
C45 C46 C41 120.0 . .
O6 C47 O15 123.4(12) . .
O6 C47 C44 121.3(12) . .
O15 C47 C44 115.2(11) . .
C52 C51 N56 120.0 . .
C52 C51 C41 125.4(7) . 2_645
N56 C51 C41 114.3(6) . 2_645
C53 C52 C51 120.0 . .
C54 C53 C52 120.0 . .
C53 C54 C55 120.0 . .
C53 C54 C57 119.5(8) . .
C55 C54 C57 120.4(8) . .
C54 C55 N56 120.0 . .
C55 N56 C51 120.0 . .
O3 C57 O14 127.4(13) . .
O3 C57 C54 117.8(11) . .
O14 C57 C54 114.7(13) . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
Gd1 O1 2.273(11) .
Gd1 O5 2.282(9) .
Gd1 O6 2.365(7) .
Gd1 O3 2.366(10) .
Gd1 O4 2.391(8) .
Gd1 O2 2.422(9) .
Gd1 O7 2.444(13) .
Gd2 O15 2.291(12) 4_566
Gd2 O10 2.342(11) .
Gd2 O9 2.356(12) .
Gd2 O8 2.358(7) .
Gd2 O11 2.368(12) .
Gd2 O14 2.436(10) .
Gd2 O13 2.518(13) .
Gd2 O12 2.66(2) .
O1 C17 1.24(2) .
O2 C27 1.221(16) .
O3 C57 1.242(16) .
O4 C7 1.230(17) .
O5 C37 1.282(14) .
O6 C47 1.204(14) .
O8 C37 1.217(13) 4_566
O9 C27 1.210(16) .
O10 C7 1.263(18) .
O11 C17 1.23(2) .
O14 C57 1.275(16) .
O15 C47 1.221(17) .
O15 Gd2 2.291(12) 4_565
C1 N2 1.3900 .
C1 C6 1.3900 .
C1 C1 1.397(9) 3_566
N2 C3 1.3900 .
C3 C4 1.3900 .
C4 C5 1.3900 .
C4 C7 1.504(12) .
C5 C6 1.3900 .
C11 C11 1.374(10) 3_666
C11 C12 1.3900 .
C11 C16 1.3900 .
C12 C13 1.3900 .
C13 C14 1.3900 .
C14 C15 1.3900 .
C14 C17 1.481(13) .
C15 C16 1.3900 .
C21 C31 1.390(7) 2_545
C21 N22 1.3900 .
C21 C26 1.3900 .
N22 C23 1.3900 .
C23 C24 1.3900 .
C24 C25 1.3900 .
C24 C27 1.466(14) .
C25 C26 1.3900 .
C31 C21 1.390(7) 2
C31 N32 1.3900 .
C31 C36 1.3900 .
N32 C33 1.3900 .
C33 C34 1.3900 .
C34 C35 1.3900 .
C34 C37 1.482(11) .
C35 C36 1.3900 .
C37 O8 1.217(13) 4_565
C41 N42 1.3900 .
C41 C46 1.3900 .
C41 C51 1.396(7) 2_655
N42 C43 1.3900 .
C43 C44 1.3900 .
C44 C45 1.3900 .
C44 C47 1.487(12) .
C45 C46 1.3900 .
C51 C52 1.3900 .
C51 N56 1.3900 .
C51 C41 1.396(7) 2_645
C52 C53 1.3900 .
C53 C54 1.3900 .
C54 C55 1.3900 .
C54 C57 1.469(14) .
C55 N56 1.3900 .
loop_
_platon_squeeze_void_nr
_platon_squeeze_void_average_x
_platon_squeeze_void_average_y
_platon_squeeze_void_average_z
_platon_squeeze_void_volume
_platon_squeeze_void_count_electrons
_platon_squeeze_void_content
1 0.250 -0.250 0.206 1050 277 ' '
2 0.750 0.250 0.825 1050 278 ' '
