Predicted Material Properties Repository and Database (CrystalDFT)

A database of computationally predicted organic material properties


Welcome to the CrystalDFT Database!


This is an ongoing open-access project that contains our group's DFT-calculated electromechanical properties of small biomolecular crystals, metal-organic frameworks (MOFs) and racemic compounds. We invite you to look through this database and pick crystals to grow and characterise for piezoelectric applications or mechanical testing. Are you a computational chemist? Download some cifs and let us know how your predicted values compare! Do you work with photosalient materials? Check out our in-silico stress-strain curves.

If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie. We also welcome feedback on the site's usability, as well as suggested/new functional crystal structures to be included in our ongoing materials screenings. Our CrystalDFT work is published with the full methodology and discussion is now available for citation if you choose to use this database for your research. You can access it using the following link: https://onlinelibrary.wiley.com/doi/10.1002/anie.202501232.

"High-throughput computational screening of small, molecular crystals for sustainable piezoelectric materials"
Angew. Chem. Int. Ed. 2025, e202501232.

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ID Crystal Image COD/CSD ID Piezoelectric Stress [C/m2] / Strain Constants [pC/N] Elastic Constants [GPa]
edij ed_1 ed_2 ed_3 ed_4 ed_5 ed_6 cij c_1 c_2 c_3 c_4 c_5 c_6
401
Crystal Name: ammonium oxalate monohydrate   Chemical Formula: C2D10N2O5   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0500c1_6026.2220.58000
e2_000000c2_26.2262.925.72000
e3_00000-0.06c3_20.5825.7236.33000
d1_000-3.8500c4_00012.7100
d2_00000.430c5_000011.350
d3_00000-3.62c6_0000016.84
402
Crystal Name: 2,4,6-tricyano-1,3,5-triazine   Chemical Formula: C6N6   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0300c1_12.889.9510.91000
e2_0000-0.010c2_9.9512.778.77000
e3_000000.03c3_10.918.7713.48000
d1_00039.600c4_0000.6600
d2_-0.01000-1.210c5_00006.140
d3_-0.010.010.01004.76c6_000005.88
403
Crystal Name: Lonsdaleite   Chemical Formula: C   H-M Space Group: P63mc


HD View 3D View Crystal Details
e1_000000c1_1265.9125.19-11.1400-0.15
e2_000000c2_125.191265.79-11.12000.05
e3_000000c3_-11.14-11.121354.98000.02
d1_000000c4_000402.09-5.480
d2_000000c5_000-5.48408.420
d3_000000c6_-0.150.050.0200570.44
404
Crystal Name: Nitroaminofurazans with Azo and Azoxy Linkage   Chemical Formula: C4H2N10O7   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.020.01-0.030-0.010c1_23.8918.6310.920-0.720
e2_0000.050-0.02c2_18.6322.488.840-1.820
e3_0-0.01-0.110-0.020c3_10.928.8427.1505.930
d1_2.47-0.24-2.7602.720c4_0002.760-1.9
d2_00018.7601.92c5_-0.72-1.825.9303.840
d3_3.8-0.95-6.1803.980c6_000-1.9010.4
405
Crystal Name: RR-tartaric acid   Chemical Formula: C4H6O6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1900.1c1_47.7612.5726.690-9.290
e2_0.120.080.180-0.080c2_12.5721.7911.030-3.830
e3_0000.150-0.1c3_26.6911.03100.010-26.340
d1_000-13.8608.02c4_00012.660-1.92
d2_1.22.30.680-1.960c5_-9.29-3.83-26.34019.370
d3_00010.580-8.7c6_000-1.9209.49
406
Crystal Name: benzene-dicarbonitrile   Chemical Formula: C9H3N3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0400.05c1_19.99.129.2301.740
e2_0.010.14-0.110-0.030c2_9.1225.878.5500.870
e3_000-0.140-0.03c3_9.238.5524.86060
d1_000-9.53019.83c4_0008.0901.69
d2_0.198.06-8.4804.270c5_1.740.87603.630
d3_000-16.580-1.58c6_0001.6903.3
407
Crystal Name: N-(benzyloxy)-2-oxo-2,3-dihydro-1H-benzimidazole-1-carboxamide   Chemical Formula: C15H13N3O3   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.10.09-0.02-0.01-0.010.11c1_17.4218.7812.3-0.21-0.57.01
e2_0.060.080-0.01-0.010.09c2_18.7823.6913.472.930.319.14
e3_-0.0100.040-0.010c3_12.313.4719.073.5-2.570.89
d1_53.7-25.78-25.633.74-17.17-5.89c4_-0.212.933.55.7311.42
d2_-12.097.034.9-11.532.111.63c5_-0.50.31-2.5714.58-0.05
d3_-65.2532.8330.59-45.9215.8218.52c6_7.019.140.891.42-0.0510.36
408
Crystal Name: Pyridine-N-oxide   Chemical Formula: C5H5NO   H-M Space Group: P41212


HD View 3D View Crystal Details
e1_0000.0100c1_18.1411.2513.38000
e2_0000-0.010c2_11.2518.1413.38000
e3_000000c3_13.3813.3815.25000
d1_0001.900c4_0005.4800
d2_0000-1.90c5_00005.480
d3_000000c6_000003.78
409
Crystal Name: Trans-4-(Styryl)pyridine   Chemical Formula: C13H11N   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.20-0.0400.080c1_36.1110.8215.590-10.310
e2_00000-0.01c2_10.8212.8511.6301.150
e3_0.12-0.0100-0.050c3_15.5911.6314.250-1.350
d1_-7.675.581.170-0.230c4_0005.9901.58
d2_0001.50-6.19c5_-10.311.15-1.3506.450
d3_6.95-0.22-7.2301.480c6_0001.5802.04
410
Crystal Name: 8-methylenehexahydro-6H-cyclopenta[c]furo[2,3-d]pyran-2(3H)-one   Chemical Formula: C11H14O3   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.13-0.03-0.03-0.02-0.04-0.02c1_21.9911.6613.511.860.420.84
e2_0-0.020.08-0.06-0.030.03c2_11.6618.986.891.49-1.731.15
e3_0.050-0.140.020.02-0.03c3_13.516.8923.66-4.14-1.07-0.88
d1_20.08-8.39-13.4-15.7-9.37-2.56c4_1.861.49-4.145.221.531.21
d2_0.23-1.872.15-10.61-1.626.81c5_0.42-1.73-1.071.535.92-0.12
d3_13.95-1.42-15.64-12.481.44-5.81c6_0.841.15-0.881.21-0.126.4
411
Crystal Name: L-Aspartic acid   Chemical Formula: C4H7NO4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.130-0.13c1_46.9219.1719.640-8.910
e2_0.05-0.01-0.0700.040c2_19.1731.8814.140-4.880
e3_000-0.0300.02c3_19.6414.14103.330-29.230
d1_0008.520-13.2c4_0001600.32
d2_2.19-1.05-0.2702.560c5_-8.91-4.88-29.23017.770
d3_000-2.0101.98c6_0000.32010.29
412
Crystal Name: (E)-1-Naphthaldehyde oxime   Chemical Formula: C11H9NO   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0100c1_20.2713.2414.470-2.670
e2_00.030.0100.010c2_13.2417.3214.5302.190
e3_000-0.0300c3_14.4714.5314.440-0.060
d1_0002.520-0.36c4_0004.4202.31
d2_0.478.32-8.330-1.720c5_-2.672.19-0.0605.570
d3_000-8.6203.16c6_0002.3104.85
413
Crystal Name: 2-amino-3-(4-hydroxyphenyl)propanoic acid   Chemical Formula: C9H11NO3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0200.03c1_20.6113.6819.0101.210
e2_0.030.380.0100.010c2_13.6850.3213.6302.170
e3_0000.0300.03c3_19.0113.6332.0606.520
d1_0003.6908.58c4_0002.9800.88
d2_-2.398.67-1.9700.430c5_1.212.176.5206.220
d3_0007.3109.18c6_0000.8802.59
414
Crystal Name: 4-aminopyridinium hydrogen maleate   Chemical Formula: C9H10N2O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0200.08c1_17.518.1313.5200.850
e2_0.040.07-0.0700.030c2_18.1331.118.0201.060
e3_000-0.010-0.01c3_13.5218.0235.670-0.270
d1_0004.1205.22c4_0004.400.13
d2_0.853.77-4.2012.640c5_0.851.06-0.2702.280
d3_000-1.130-0.76c6_0000.13015.62
415
Crystal Name: pyrone   Chemical Formula: C5H4O2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.040c1_24.6312.3417.39000
e2_0000.1100c2_12.3414.359.39000
e3_0.080.010.16000c3_17.399.3918.32000
d1_00005.780c4_0004.1300
d2_00025.500c5_00007.470
d3_-6.59-4.6817.12000c6_000002.4
416
Crystal Name: Substituted 1,3-dienes   Chemical Formula: C19H20O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.11-0.010.0100.010.01c1_17.4898.411.010.581.2
e2_00.010-0.02-0.010.07c2_920.1112.68-2.331.21.15
e3_0.020-0.020.010.07-0.02c3_8.4112.6819.17-2.941.14-0.65
d1_9.37-3.17-2.45-2.356.7-8.62c4_1.01-2.33-2.949.37-2.22-1.16
d2_43.9945.87-91.142.82393.63-538.66c5_0.581.21.14-2.223.792.73
d3_-42.91-44.7288.19-1.23-380.06542.38c6_1.21.15-0.65-1.162.732.17
417
Crystal Name: graphene monoxide   Chemical Formula: C4O4   H-M Space Group: C222


HD View 3D View Crystal Details
e1_000000c1_71.629.14-0.34000
e2_000000c2_29.1448.56-0.32000
e3_00000-0.01c3_-0.34-0.32-0.43000
d1_000-0.1900c4_000-0.3200
d2_000029.750c5_0000-0.080
d3_00000-0.31c6_0000033.35
418
Crystal Name: Oxammite   Chemical Formula: C2H10N2O5   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0500c1_62.5326.3621.56000
e2_00000.010c2_26.3662.9125.85000
e3_00000-0.06c3_21.5625.8537.25000
d1_000-3.8400c4_00012.4500
d2_00000.540c5_000011.510
d3_00000-3.73c6_0000016.23
419
Crystal Name: 1-amino-5-methyltetrazole   Chemical Formula: C2H5N5   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000-0.0300c1_11.048.346.76000
e2_0000-0.090c2_8.348.395.14000
e3_00000-0.04c3_6.765.1428.33000
d1_000-6.6800c4_0004.4100
d2_0000-81.050c5_00001.130
d3_00000-7.05c6_000006.27
420
Crystal Name: C6 H14 N2   Chemical Formula: (+-)-trans-1,2-Diaminocyclohexane   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0200c1_17.57.599.51000
e2_00000.020c2_7.5924.092.69000
e3_00000-0.04c3_9.512.6922.29000
d1_000-4.0400c4_0003.8300
d2_00003.520c5_00005.770
d3_00000-3.53c6_0000010.44
421
Crystal Name: 2-Methylbenzylammonium Formate   Chemical Formula: C9H13NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.05c1_37.4710.318.6300.640
e2_-0.01-0.070000c2_10.3125.239.7101.340
e3_000-0.020-0.03c3_8.639.7117.6801.240
d1_000-0.190-24.67c4_0003.200.01
d2_0.45-3.811.850-0.780c5_0.641.341.2401.630
d3_000-4.690-12.98c6_0000.0102.12
422
Crystal Name: 4-Cyano-1-methylpyridinium nitrate   Chemical Formula: C7H7N3O3   H-M Space Group: Pmn21


HD View 3D View Crystal Details
e1_00000.060c1_33.379.9614.7000
e2_000-0.0600c2_9.9612.929.46000
e3_0.060-0.06000c3_14.79.4623.9000
d1_000011.670c4_0005.1900
d2_000-10.7300c5_00005.040
d3_3.620.9-4.96000c6_000001.41
423
Crystal Name: S-(+)-2-methylpiperazine   Chemical Formula: C5H12N2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0100.01c1_23.843.421.660-0.160
e2_00.010.01000c2_3.4216.521.450-0.770
e3_000000.01c3_1.661.4516.570-0.030
d1_000-10.5801.03c4_0000.5500.15
d2_0.060.50.500.180c5_-0.16-0.77-0.0303.320
d3_0007.5500.48c6_0000.1508.39
424
Crystal Name: 3-O-acetyl-2-deoxy-5-methoxymethyluridine   Chemical Formula: C13H18N2O7   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.040-0.050.010.01-0.03c1_23.38.7214.96-0.75-7.210.04
e2_-0.02-0.010.040.01-0.020.01c2_8.7231.3811.240.45-2.852.66
e3_0.03-0.050.02-0.05-0.07-0.01c3_14.9611.2418.23.17-3.75-3.32
d1_4.494.98-12.54-1.290.74-17.65c4_-0.750.453.176.44-0.66-3.47
d2_-10.03-4.2714.89-0.35-4.4113.57c5_-7.21-2.85-3.75-0.6610.61-0.05
d3_-5.74-2.456.93-16.83-9.63-6.91c6_0.042.66-3.32-3.47-0.055.06
425
Crystal Name: 4-methoxy-1-naphthol   Chemical Formula: C11H10O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0100.03c1_28.0712.3813.850-4.850
e2_0.020.060.040-0.030c2_12.3815.9812.2303.150
e3_000000c3_13.8512.2316.540-3.980
d1_000-3.6905.11c4_0005.2601.12
d2_-13.3359-43.860-56.370c5_-4.853.15-3.9808.050
d3_0000.210-0.38c6_0001.1207.04