# Electronic Supplementary Material (ESI) for CrystEngComm.
# This journal is © The Royal Society of Chemistry 2015

####################################################################### 
# 
# This file contains crystal structure data downloaded from the 
# Cambridge Structural Database (CSD) hosted by the Cambridge 
# Crystallographic Data Centre (CCDC).
# 
# Full information about CCDC data access policies and citation 
# guidelines are available at http://www.ccdc.cam.ac.uk/access/V1 
# 
# Audit and citation data items may have been added by the CCDC. 
# Please retain this information to preserve the provenance of 
# this file and to allow appropriate attribution of the data. 
# 
#######################################################################

data_shelx
_database_code_depnum_ccdc_archive 'CCDC 1048496'
_audit_update_record             
;
2015-07-01 deposited with the CCDC.
2015-08-19 downloaded from the CCDC.
;

_vrf_DIFMX01_shelx               
;
RESPONSE: All observed data were used in the final refinement.
A fair proportion of these are weak and hence the background 
in Fourier maps is a little noisy, however these maps do 
not display particular features that correspond to atoms. 

Here: 

REM Highest difference peak  0.667,  deepest hole -0.393,  1-sigma level  0.092
Q1    0.67
Q2    0.66
Q3    0.63
Q4    0.61
Q5    0.61 
;


_vrf_DIFMX02_shelx               
;
RESPONSE: All observed data were used in the final refinement.
A fair proportion of these are weak and hence the background 
in Fourier maps is a little noisy, however these maps do 
not display particular features that correspond to atoms. 

;

_vrf_PLAT097_shelx               
;
RESPONSE: All observed data were used in the final refinement.
A fair proportion of these are weak and hence the background 
in Fourier maps is a little noisy, however these maps do 
not display particular features that correspond to atoms. 

;

_vrf_PLAT250_shelx               
;
RESPONSE: The structure contains rigid, planar aromatic
molecules 1,10-phenanthroline. These are arranged in pi-stacks. 
As expected the components of vibration perpendicular to the 
ring and within the ring are not equal.  

;





_audit_creation_method           SHELXL-2013
_chemical_name_systematic        Cytosine:1,-10-phenanthroline
_chemical_name_common            Cyt:phen
_chemical_melting_point          ?
_chemical_formula_moiety         'C12 H8 N2, C4 H5 N3 O'
_chemical_formula_sum            'C16 H13 N5 O'
_chemical_formula_weight         291.31

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'

_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_H-M_alt        'P 21/c'
_space_group_name_Hall           '-P 2ybc'

_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.
;

loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'

_cell_length_a                   20.765(2)
_cell_length_b                   9.4741(5)
_cell_length_c                   14.1307(13)
_cell_angle_alpha                90
_cell_angle_beta                 101.612(8)
_cell_angle_gamma                90
_cell_volume                     2723.0(4)
_cell_formula_units_Z            8
_cell_measurement_temperature    100(2)
_cell_measurement_reflns_used    10509
_cell_measurement_theta_min      2.0
_cell_measurement_theta_max      29.35

_exptl_crystal_description       needles
_exptl_crystal_colour            colourless
_exptl_crystal_density_meas      'not measured'
_exptl_crystal_density_method    ?
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_F_000             1216
_exptl_transmission_factor_min   ?
_exptl_transmission_factor_max   ?
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_exptl_absorpt_coefficient_mu    0.095
_shelx_estimated_absorpt_T_min   ?
_shelx_estimated_absorpt_T_max   ?
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_correction_T_min  0.9720
_exptl_absorpt_correction_T_max  0.9856
_exptl_absorpt_process_details   
;
a face indexed abosorption correction was applied.
this utilised the Tompa method implmented within Stoe X-Area.  
;
_exptl_special_details           
;
 ?
;

_diffrn_ambient_temperature      100(2)
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_type           MoK\a
_diffrn_source                   'fine-focus sealed tube'
_diffrn_measurement_device_type  'Stoe IPDS2'
_diffrn_measurement_method       ω-scans
_diffrn_detector_area_resol_mean 6.67
_diffrn_reflns_number            14509
_diffrn_reflns_av_unetI/netI     0.0842
_diffrn_reflns_av_R_equivalents  0.0993
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_theta_min         2.371
_diffrn_reflns_theta_max         25.995
_diffrn_reflns_theta_full        25.242
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measured_fraction_theta_full 0.984
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_Laue_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.985
_diffrn_reflns_point_group_measured_fraction_full 0.984
_reflns_number_total             5269
_reflns_number_gt                2895
_reflns_threshold_expression     'I > 2σ(I)'
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_max     .
_reflns_Friedel_fraction_full    .

_reflns_special_details          
;
 Reflections were merged by SHELXL according to the crystal
 class for the calculation of statistics and refinement.
 
 _reflns_Friedel_fraction is defined as the number of unique
 Friedel pairs measured divided by the number that would be
 possible theoretically, ignoring centric projections and
 systematic absences.
;

_computing_data_collection       'Stoe X-Area'
_computing_cell_refinement       'Stoe X-Area'
_computing_data_reduction        'Stoe X-Area'
_computing_structure_solution    SHELXS-97
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_molecular_graphics    'Mercury (CCDC)'
_computing_publication_material  'ORTEP-3 (Farrugia)'

_refine_special_details          
;
 ?
;
_refine_ls_structure_factor_coef Fsqd
_refine_ls_matrix_type           full
_refine_ls_weighting_scheme      calc
_refine_ls_weighting_details     
'w=1/[σ²(Fo²)+(0.1059P)²] where P=(Fo²+2Fc²)/3'
_atom_sites_solution_primary     ?
_atom_sites_solution_secondary   ?
_atom_sites_solution_hydrogens   geom
_refine_ls_hydrogen_treatment    constr
_refine_ls_extinction_method     none
_refine_ls_extinction_coef       .
_refine_ls_number_reflns         5269
_refine_ls_number_parameters     397
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.1033
_refine_ls_R_factor_gt           0.0644
_refine_ls_wR_factor_ref         0.1684
_refine_ls_wR_factor_gt          0.1524
_refine_ls_goodness_of_fit_ref   0.865
_refine_ls_restrained_S_all      0.865
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000

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
_atom_site_refinement_flags_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
N1 N 0.01305(11) 0.5631(2) 0.71249(15) 0.0190(5) Uani 1 1 d . . . . .
H1 H 0.0006 0.4862 0.7388 0.023 Uiso 1 1 calc R U . . .
C2 C -0.00574(13) 0.6936(3) 0.74233(17) 0.0184(6) Uani 1 1 d . . . . .
N3 N 0.01368(11) 0.8104(2) 0.70133(15) 0.0195(5) Uani 1 1 d . . . . .
C4 C 0.05119(13) 0.8002(3) 0.63404(17) 0.0181(5) Uani 1 1 d . . . . .
C5 C 0.06925(14) 0.6660(3) 0.60092(18) 0.0210(6) Uani 1 1 d . . . . .
H5 H 0.0936 0.6586 0.5510 0.025 Uiso 1 1 calc R U . . .
C6 C 0.05014(13) 0.5505(3) 0.64379(18) 0.0206(6) Uani 1 1 d . . . . .
H6 H 0.0627 0.4595 0.6259 0.025 Uiso 1 1 calc R U . . .
O20 O -0.04027(10) 0.69735(19) 0.80517(13) 0.0245(5) Uani 1 1 d . . . . .
N40 N 0.07096(12) 0.9188(2) 0.59853(15) 0.0225(5) Uani 1 1 d . . . . .
H40A H 0.0595 1.0010 0.6190 0.027 Uiso 1 1 calc R U . . .
H40B H 0.0955 0.9152 0.5545 0.027 Uiso 1 1 calc R U . . .
N11 N 0.48685(11) 0.6683(2) 0.28832(15) 0.0194(5) Uani 1 1 d . . . . .
H11 H 0.4998 0.7454 0.2628 0.023 Uiso 1 1 calc R U . . .
C12 C 0.50303(12) 0.5403(3) 0.25576(17) 0.0180(6) Uani 1 1 d . . . . .
N13 N 0.48256(11) 0.4204(2) 0.29579(15) 0.0191(5) Uani 1 1 d . . . . .
C14 C 0.44694(13) 0.4318(3) 0.36564(17) 0.0179(5) Uani 1 1 d . . . . .
C15 C 0.43095(14) 0.5660(3) 0.40077(18) 0.0206(6) Uani 1 1 d . . . . .
H15 H 0.4071 0.5739 0.4512 0.025 Uiso 1 1 calc R U . . .
C16 C 0.45137(13) 0.6807(3) 0.35902(18) 0.0215(6) Uani 1 1 d . . . . .
H16 H 0.4408 0.7720 0.3792 0.026 Uiso 1 1 calc R U . . .
O21 O 0.53619(10) 0.53319(19) 0.19135(13) 0.0257(5) Uani 1 1 d . . . . .
N44 N 0.42660(12) 0.3130(2) 0.40034(15) 0.0210(5) Uani 1 1 d . . . . .
H44A H 0.4365 0.2309 0.3778 0.025 Uiso 1 1 calc R U . . .
H44B H 0.4033 0.3164 0.4459 0.025 Uiso 1 1 calc R U . . .
C21 C 0.25885(14) 0.5941(3) 0.34069(18) 0.0190(6) Uani 1 1 d . . . . .
H21 H 0.2884 0.6422 0.3085 0.023 Uiso 1 1 calc R U . . .
C22 C 0.19208(14) 0.6318(3) 0.31715(17) 0.0195(6) Uani 1 1 d . . . . .
H22 H 0.1771 0.7025 0.2702 0.023 Uiso 1 1 calc R U . . .
C23 C 0.14919(14) 0.5640(3) 0.36368(19) 0.0201(6) Uani 1 1 d . . . . .
H23 H 0.1038 0.5873 0.3494 0.024 Uiso 1 1 calc R U . . .
C24 C 0.17275(13) 0.4597(3) 0.43279(18) 0.0171(6) Uani 1 1 d . . . . .
C25 C 0.12994(13) 0.3863(3) 0.48379(18) 0.0205(6) Uani 1 1 d . . . . .
H25 H 0.0840 0.4037 0.4683 0.025 Uiso 1 1 calc R U . . .
C26 C 0.15450(14) 0.2920(3) 0.55403(18) 0.0209(6) Uani 1 1 d . . . . .
H26 H 0.1255 0.2457 0.5881 0.025 Uiso 1 1 calc R U . . .
C27 C 0.22307(13) 0.2612(3) 0.57771(17) 0.0165(5) Uani 1 1 d . . . . .
C28 C 0.24987(14) 0.1645(3) 0.65085(17) 0.0198(6) Uani 1 1 d . . . . .
H28 H 0.2222 0.1191 0.6875 0.024 Uiso 1 1 calc R U . . .
C29 C 0.31593(15) 0.1359(3) 0.66910(18) 0.0221(6) Uani 1 1 d . . . . .
H29 H 0.3349 0.0727 0.7192 0.027 Uiso 1 1 calc R U . . .
C30 C 0.35504(15) 0.2029(3) 0.61150(19) 0.0214(6) Uani 1 1 d . . . . .
H30 H 0.4006 0.1806 0.6232 0.026 Uiso 1 1 calc R U . . .
C31 C 0.26701(13) 0.3255(3) 0.52512(17) 0.0165(5) Uani 1 1 d . . . . .
C32 C 0.24082(13) 0.4293(2) 0.45208(17) 0.0160(5) Uani 1 1 d . . . . .
N21 N 0.28343(11) 0.4958(2) 0.40484(15) 0.0181(5) Uani 1 1 d . . . . .
N22 N 0.33235(12) 0.2953(2) 0.54195(16) 0.0195(5) Uani 1 1 d . . . . .
N41 N 0.21894(12) 0.7353(2) 0.59163(15) 0.0198(5) Uani 1 1 d . . . . .
N42 N 0.16457(12) 0.9393(2) 0.46167(15) 0.0205(5) Uani 1 1 d . . . . .
C41 C 0.24632(15) 0.6361(3) 0.65355(17) 0.0229(6) Uani 1 1 d . . . . .
H41 H 0.2182 0.5829 0.6853 0.027 Uiso 1 1 calc R U . . .
C42 C 0.31310(15) 0.6047(3) 0.67520(18) 0.0256(6) Uani 1 1 d . . . . .
H342 H 0.3297 0.5326 0.7203 0.031 Uiso 1 1 calc R U . . .
C43 C 0.35438(15) 0.6804(3) 0.62982(19) 0.0249(6) Uani 1 1 d . . . . .
H43 H 0.4003 0.6617 0.6434 0.030 Uiso 1 1 calc R U . . .
C44 C 0.32818(14) 0.7868(3) 0.56255(18) 0.0204(6) Uani 1 1 d . . . . .
C45 C 0.36778(14) 0.8657(3) 0.51072(18) 0.0236(6) Uani 1 1 d . . . . .
H45 H 0.4140 0.8519 0.5240 0.028 Uiso 1 1 calc R U . . .
C46 C 0.34057(15) 0.9600(3) 0.44291(19) 0.0245(6) Uani 1 1 d . . . . .
H46 H 0.3679 1.0091 0.4075 0.029 Uiso 1 1 calc R U . . .
C47 C 0.27156(15) 0.9878(3) 0.42309(17) 0.0209(6) Uani 1 1 d . . . . .
C48 C 0.24127(16) 1.0879(3) 0.35353(18) 0.0258(7) Uani 1 1 d . . . . .
H48 H 0.2671 1.1403 0.3175 0.031 Uiso 1 1 calc R U . . .
C49 C 0.17492(17) 1.1089(3) 0.33846(19) 0.0288(7) Uani 1 1 d . . . . .
H49 H 0.1538 1.1731 0.2905 0.035 Uiso 1 1 calc R U . . .
C50 C 0.13860(15) 1.0332(3) 0.39564(18) 0.0249(6) Uani 1 1 d . . . . .
H50 H 0.0927 1.0506 0.3862 0.030 Uiso 1 1 calc R U . . .
C51 C 0.23033(14) 0.9142(3) 0.47522(17) 0.0172(5) Uani 1 1 d . . . . .
C52 C 0.25938(14) 0.8096(3) 0.54581(17) 0.0172(6) Uani 1 1 d . . . . .


_geom_special_details            
;
 All esds (except the esd in the dihedral angle between two l.s. planes)
 are estimated using the full covariance matrix.  The cell esds are taken
 into account individually in the estimation of esds in distances, angles
 and torsion angles; correlations between esds in cell parameters are only
 used when they are defined by crystal symmetry.  An approximate (isotropic)
 treatment of cell esds is used for estimating esds involving l.s. planes.
;

loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
N1 C6 1.361(3) . ?
N1 C2 1.388(3) . ?
C2 O20 1.249(3) . ?
C2 N3 1.348(3) . ?
N3 C4 1.348(3) . ?
C4 N40 1.329(3) . ?
C4 C5 1.430(4) . ?
C5 C6 1.349(4) . ?
N11 C16 1.360(3) . ?
N11 C12 1.363(3) . ?
C12 O21 1.249(3) . ?
C12 N13 1.374(3) . ?
N13 C14 1.352(3) . ?
C14 N44 1.330(3) . ?
C14 C15 1.428(4) . ?
C15 C16 1.345(4) . ?
C21 N21 1.328(3) . ?
C21 C22 1.405(4) . ?
C22 C23 1.369(3) . ?
C23 C24 1.406(4) . ?
C24 C32 1.414(4) . ?
C24 C25 1.432(3) . ?
C25 C26 1.356(4) . ?
C26 C27 1.426(4) . ?
C27 C28 1.409(4) . ?
C27 C31 1.425(3) . ?
C28 C29 1.371(4) . ?
C29 C30 1.411(4) . ?
C30 N22 1.330(3) . ?
C31 N22 1.360(4) . ?
C31 C32 1.450(3) . ?
C32 N21 1.365(3) . ?
N41 C41 1.331(4) . ?
N41 C52 1.356(3) . ?
N42 C50 1.323(4) . ?
N42 C51 1.361(4) . ?
C41 C42 1.391(4) . ?
C42 C43 1.372(4) . ?
C43 C44 1.416(4) . ?
C44 C52 1.417(4) . ?
C44 C45 1.419(4) . ?
C45 C46 1.348(4) . ?
C46 C47 1.428(4) . ?
C47 C48 1.418(4) . ?
C47 C51 1.420(3) . ?
C48 C49 1.366(5) . ?
C49 C50 1.408(4) . ?
C51 C52 1.449(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
_geom_angle_publ_flag
C6 N1 C2 122.0(2) . . ?
O20 C2 N3 123.1(2) . . ?
O20 C2 N1 118.6(2) . . ?
N3 C2 N1 118.31(19) . . ?
C2 N3 C4 120.6(2) . . ?
N40 C4 N3 118.1(2) . . ?
N40 C4 C5 120.5(2) . . ?
N3 C4 C5 121.4(2) . . ?
C6 C5 C4 117.0(2) . . ?
C5 C6 N1 120.6(2) . . ?
C16 N11 C12 122.1(2) . . ?
O21 C12 N11 120.2(2) . . ?
O21 C12 N13 121.2(2) . . ?
N11 C12 N13 118.61(19) . . ?
C14 N13 C12 119.6(2) . . ?
N44 C14 N13 117.5(2) . . ?
N44 C14 C15 120.8(2) . . ?
N13 C14 C15 121.7(2) . . ?
C16 C15 C14 116.8(2) . . ?
C15 C16 N11 121.2(2) . . ?
N21 C21 C22 124.4(2) . . ?
C23 C22 C21 118.2(2) . . ?
C22 C23 C24 119.6(3) . . ?
C23 C24 C32 118.1(2) . . ?
C23 C24 C25 121.8(3) . . ?
C32 C24 C25 120.1(2) . . ?
C26 C25 C24 120.5(3) . . ?
C25 C26 C27 121.2(2) . . ?
C28 C27 C31 117.4(2) . . ?
C28 C27 C26 122.3(2) . . ?
C31 C27 C26 120.3(2) . . ?
C29 C28 C27 119.9(2) . . ?
C28 C29 C30 118.2(2) . . ?
N22 C30 C29 124.3(3) . . ?
N22 C31 C27 122.7(2) . . ?
N22 C31 C32 119.0(2) . . ?
C27 C31 C32 118.3(2) . . ?
N21 C32 C24 122.2(2) . . ?
N21 C32 C31 118.3(2) . . ?
C24 C32 C31 119.5(2) . . ?
C21 N21 C32 117.4(2) . . ?
C30 N22 C31 117.4(2) . . ?
C41 N41 C52 117.2(2) . . ?
C50 N42 C51 118.2(2) . . ?
N41 C41 C42 124.8(2) . . ?
C43 C42 C41 118.3(3) . . ?
C42 C43 C44 119.6(3) . . ?
C43 C44 C52 117.3(2) . . ?
C43 C44 C45 122.5(3) . . ?
C52 C44 C45 120.2(2) . . ?
C46 C45 C44 120.8(3) . . ?
C45 C46 C47 121.5(2) . . ?
C48 C47 C51 117.3(3) . . ?
C48 C47 C46 123.1(2) . . ?
C51 C47 C46 119.6(2) . . ?
C49 C48 C47 119.9(3) . . ?
C48 C49 C50 118.5(3) . . ?
N42 C50 C49 123.9(3) . . ?
N42 C51 C47 122.2(2) . . ?
N42 C51 C52 118.9(2) . . ?
C47 C51 C52 118.9(2) . . ?
N41 C52 C44 122.8(2) . . ?
N41 C52 C51 118.2(2) . . ?
C44 C52 C51 119.0(2) . . ?

loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
N1 H1 N3 0.88 1.92 2.792(3) 171.8 2_546
N40 H40A O20 0.88 2.22 3.093(3) 170.4 2_556
N40 H40B N42 0.88 2.14 3.011(3) 169.3 .
N44 H44A O21 0.88 2.24 3.115(3) 174.7 2_645
N44 H44B N22 0.88 2.20 3.072(3) 168.8 .
C15 H15 N21 0.95 2.62 3.147(3) 115.0 .
N11 H11 N13 0.88 1.92 2.797(3) 173.3 2_655

_refine_diff_density_max         0.667
_refine_diff_density_min         -0.393
_refine_diff_density_rms         0.092

_shelxl_version_number           2013-4


_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: Water'
