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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
26
Crystal Name: (+-)-trans-1,2-Diaminocyclohexane   Chemical Formula: C6H14N2   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0200c1_14.986.027.67000
e2_00000.010c2_6.0223.41.76000
e3_00000-0.04c3_7.671.7622.09000
d1_000-5.1600c4_0003.2800
d2_00002.670c5_00005.470
d3_00000-4.49c6_000009.42
27
Crystal Name: (S)-2-Phenylbutanamide   Chemical Formula: C10H13NO   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.03-0.01-0.010.01-0.010c1_27.967.299.80.81-0.120.18
e2_-0.010.020.010.010.01-0.01c2_7.2916.557.810.53-1.05-0.74
e3_0.010.010.030.0100c3_9.87.8113.973.39-0.730.03
d1_-0.880.25-0.770.72-5.125.59c4_0.810.533.396.27-0.010.67
d2_-1.051.420.61.848.24-8.08c5_-0.12-1.05-0.73-0.013.091.43
d3_-0.19-0.422.071.433.94-4.82c6_0.18-0.740.030.671.432.16
28
Crystal Name: 1,3-diamino-2,4,6-trinitrobenzene (DATB)   Chemical Formula: C6H5N5O6   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.090.14-0.110-0.140c1_41.9119.9610.4904.630
e2_000-0.0100.07c2_19.9616.2610.950-1.180
e3_-0.030.01-0.060-0.050c3_10.4910.9518.6200.960
d1_5.696.69-10.990-35.190c4_0004.120-2.05
d2_000-0.7404.34c5_4.63-1.180.9604.240
d3_1.390.41-3.730-12.970c6_000-2.05015.1
29
Crystal Name: 2,4,6-tricyano-1,3,5-triazine   Chemical Formula: C6N6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0300c1_11.938.169.3600.390
e2_0.040.0400-0.010c2_8.1614.0810.0201.030
e3_0000.0200.01c3_9.3610.0214.040-0.030
d1_000-5.4200.18c4_0005.1801.06
d2_5.074.33-6.140-3.460c5_0.391.03-0.0304.610
d3_0004.1500.3c6_0001.0604.82
30
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_23.3114.865.48000
e2_0000.0100c2_14.8633.189.76000
e3_0.070.030.04000c3_5.489.7624.94000
d1_0000-112.80c4_0001.8100
d2_0005.2100c5_0000-0.150
d3_3.22-1.021.27000c6_000006.37
31
Crystal Name: L-fucitol   Chemical Formula: C6H14O5   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.030-0.01c1_31.4912.212.20-6.360
e2_0.02-0.050.020-0.010c2_12.222.5611.340-0.70
e3_000000c3_12.211.3433.680-0.810
d1_000-3.1100.3c4_00010.0104.43
d2_1.53-3.471.20-0.280c5_-6.36-0.7-0.8108.750
d3_0000.590-0.83c6_0004.4306.95
32
Crystal Name: Pirfenidone   Chemical Formula: C12H11NO   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0300.04c1_18.2810.311.601.580
e2_0.120.030.0100.030c2_10.311.2110.430-0.740
e3_0000.0300.01c3_11.610.4325.301.840
d1_00024.09027.1c4_0002.840-1.49
d2_10.49-4.19-3.0604.340c5_1.58-0.741.8404.050
d3_00016.23010.56c6_000-1.4902.82
33
Crystal Name: 1,3-dimethylurea   Chemical Formula: C3H8N2O   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_0000.0100c1_3.43-1.2511.4000
e2_00000.120c2_-1.25-2.2714.2000
e3_00000-0.01c3_11.414.251.67000
d1_0002.900c4_0003.2400
d2_0000143.660c5_00000.840
d3_00000-0.76c6_000009.53
34
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0700c1_14.1613.9412.21000
e2_00000.070c2_13.9414.1612.21000
e3_00000-0.03c3_12.2112.2168.14000
d1_0009.1100c4_0008.0900
d2_00009.110c5_00008.090
d3_00000-1.63c6_0000018.49
35
Crystal Name: L-Argininium(+) maleate(-) dihydrate   Chemical Formula: C10H22N4O8   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.01-0.17-0.04-0.0100.13c1_30.2830.1213.57-0.392.954.28
e2_0.010.350.090.010.06-0.08c2_30.1221.2915.44-4.172.298.24
e3_-0.130.03-0.090.02-0.02-0.04c3_13.5715.4448.3-6.2512.8-0.9
d1_-17.8517.79-1.211.334.934.83c4_-0.39-4.17-6.255.22-1.080.04
d2_28.64-29.60-18.813.74.13c5_2.952.2912.8-1.088.01-0.94
d3_9.68-13.88-0.51-8.18-2.72.2c6_4.288.24-0.90.04-0.9412.06
36
Crystal Name: 6-Acetyl-2-(1-aminoethylidene)-7,9-dihydroxy-8,9b-dimethyldibenzo[b,d]furan-1,3(2H,9bH)-dione   Chemical Formula: C18H17NO6   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.0100000c1_0.760.650.190.010.260.22
e2_00.020000.01c2_0.655.950.680.350.020.98
e3_000000c3_0.190.680.110.030.190.34
d1_6.85.5514.5922.436.69-52.91c4_0.010.350.03-0.12-0.010
d2_-40.577.6580.3710.7382.71-64.63c5_0.260.020.19-0.01-0.050
d3_-20.262.8114.77-13.5838.2-8.04c6_0.220.980.34000.27
37
Crystal Name: 1-Benzyl-2-phenylbenzimidazolium nitrate   Chemical Formula: C20H17N3O3   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.040.02-0.010.0300.02c1_12.5111.5410.460.13-2.882.41
e2_0.01-0.06-0.02-0.070.01-0.01c2_11.5419.214.421.5-2.112.74
e3_-0.02-0.11-0.03-0.01-0.05-0.03c3_10.4614.4214.062.3-0.222.49
d1_42.8725.73-72.450.3940.6731.3c4_0.131.52.32.211.36-0.48
d2_-10.71-18.5337.82-62.740.62-12.46c5_-2.88-2.11-0.221.363.92-2.27
d3_-36.93-44.379.44-14.1-79.02-44.01c6_2.412.742.49-0.48-2.274.63
38
Crystal Name: Cyclobutane-1,2-dione   Chemical Formula: C4H4O2   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0600c1_14.644.556.74000
e2_000000c2_4.5511.137.18000
e3_000000.01c3_6.747.1814.79000
d1_00012.6400c4_0005.0900
d2_00000.050c5_00003.820
d3_000001.89c6_000007.49
39
Crystal Name: tert-Butyl N-((1S)-2-hydroxy-1-{N-[(1E)-4-methoxybenzylidene]hydrazinecarbonyl}ethyl)carbamate   Chemical Formula: C16H23N3O5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.040.02-0.01-0.010.01-0.04c1_27.1312.5613.330.944.32-1.65
e2_-0.07-0.11-0.020.05-0.020.06c2_12.5620.6510.55-1.390.9-0.15
e3_0-0.04-0.010.01-0.030.01c3_13.3310.5518.720.283.050.35
d1_-4.263.170.77-0.361.59-12.74c4_0.94-1.390.2840.540.31
d2_-0.17-5.191.548.87-1.416.33c5_4.320.93.050.549.29-0.54
d3_2-3.440.661.36-3.552.01c6_-1.65-0.150.350.31-0.543.44
40
Crystal Name: (2S,3R)-2-hydroxy-3-(4-nitrophenyl)-1-phenylpent-4-en-1-one   Chemical Formula: C17H15NO4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.14-0.02-0.040.03-0.010.06c1_14.888.84130.74-1.97-0.99
e2_-0.02-0.01-0.040.04-0.040.01c2_8.8417.5412.6-1.771.35-0.18
e3_000.02-0.01-0.02-0.01c3_1312.615.91-1.870.19-0.68
d1_-239.01-8.3228.73251.23-150.38-37.88c4_0.74-1.77-1.872.920.540.84
d2_-94.61.4687.08113.27-71.43-18.97c5_-1.971.350.190.544.210.44
d3_-38.49-3.239.3435.59-27.38-8.23c6_-0.99-0.18-0.680.840.444.41
41
Crystal Name: 1-Benzyluracil   Chemical Formula: C11H10N2O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.01c1_21.5913.5818.0603.840
e2_0.010.13-0.0300.010c2_13.5826.9611.3407.130
e3_000-0.0100.02c3_18.0611.3422.5507.280
d1_00031.510-21.49c4_0002.4702.78
d2_1.296.25-5.7201.180c5_3.847.137.2805.780
d3_000-26.88021.45c6_0002.7804.35
42
Crystal Name: p-aminobenzoic acid   Chemical Formula: C7H7NO2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.090-0.0300.020c1_25.7515.612.0402.580
e2_000-0.0100.03c2_15.620.9216.260-4.390
e3_0.09-0.010.0500.090c3_12.0416.2620.4301.150
d1_6.64-2.62-3.450-0.680c4_0007.920-4.37
d2_0000.4903.09c5_2.58-4.391.15010.220
d3_5.55-8.085.3802.990c6_000-4.3709.79
43
Crystal Name: R-(+)-2-phenoxypropionic acid   Chemical Formula: C9H10O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0200.01c1_19.8611.1410.8801.370
e2_0.03-0.030.0200.020c2_11.1412.198.9500.950
e3_0000.0300.04c3_10.888.9521.8504.790
d1_0003.630-0.92c4_0006.703.6
d2_5.64-7.73-0.1206.60c5_1.370.954.7903.650
d3_0000.5306.98c6_0003.606.14
44
Crystal Name: NA   Chemical Formula: C18H20N4O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_00-0.06-0.020.010c1_26.1113.427.97-1.49-2.440.5
e2_0.010-0.06-0.02-0.030.03c2_13.4214.837.37-0.070.470.93
e3_-0.01-0.01-0.190.01-0.070.01c3_7.977.3737.39-2.043.89-1.88
d1_0.291.09-3.03-10.554.05-1.99c4_-1.49-0.07-2.042.44-0.41-0.65
d2_-2.362.8-1.1-11.53-10.470.57c5_-2.440.473.89-0.413.56-0.99
d3_-4.896.24-3.53-5.05-21.51-2.95c6_0.50.93-1.88-0.65-0.996.67
45
Crystal Name: Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P32


HD View 3D View Crystal Details
e1_-0.080.0800.08-0.09-0.02c1_37.0921.8818.991.420.970
e2_-0.020.020-0.09-0.080.08c2_21.8837.0918.99-1.42-0.970
e3_0.030.03-0.82000c3_18.9918.9985.72000
d1_-5.625.6206.04-5.26-1.29c4_1.42-1.42015.610-0.97
d2_-0.640.640-5.26-6.0411.24c5_0.97-0.970015.611.42
d3_4.144.14-11.34000c6_000-0.971.427.61
46
Crystal Name: L-Seryl-L-Alanine   Chemical Formula: C6H12N2O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0500.06c1_31.9714.714.340-1.520
e2_-0.010.110.0100.050c2_14.738.5322.8400.20
e3_0000.130-0.02c3_14.3422.8431.6901.860
d1_0003.6106.24c4_00014.850-1.24
d2_-0.035.35-4.34016.390c5_-1.520.21.8603.630
d3_0008.740-0.92c6_000-1.2409.68
47
Crystal Name: Pyridine II   Chemical Formula: C5H5N   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0200c1_12.518.279.65000
e2_0000-0.010c2_8.2710.2510.88000
e3_00000-0.01c3_9.6510.8810.74000
d1_0004.3700c4_0005.6500
d2_0000-4.830c5_00002.460
d3_00000-2.51c6_000005.24
48
Crystal Name: 4,4-(1,2-Diazaniumylethane-1,2-diyl)dibenzoate trihydrate   Chemical Formula: C16H16N2O4,3H2O   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.010.020.040.01-0.020.01c1_35.9615.9818.311.780.550.05
e2_0.02-0.010.130-0.03-0.02c2_15.9823.6422.672.8-0.49-2.93
e3_-0.030.01-0.02-0.02-0.05-0.03c3_18.3122.67112.0121.8-3.8-1.4
d1_-1.061.790.27-0.79-3.483.34c4_1.782.821.810.37-1.20.6
d2_1.16-3.492.59-5.28-2.74-3.78c5_0.55-0.49-3.8-1.27.041.37
d3_-0.931.12-0.09-2.4-7.41-2.08c6_0.05-2.93-1.40.61.376.37
49
Crystal Name: 5-methyl-5-phenylimidazolidine-2,4-dione   Chemical Formula: C10H10N2O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.06c1_22.769.512.420-6.580
e2_-0.040.27-0.0100.020c2_9.538.018.350-2.060
e3_000-0.0500.03c3_12.428.3518.760-2.960
d1_000-0.390-8.83c4_0004.40-2.86
d2_-5.138.62-0.960-0.520c5_-6.58-2.06-2.9606.580
d3_000-12.780-0.81c6_000-2.8606.62
50
Crystal Name: 1H-indazole   Chemical Formula: C7H6N2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200.02c1_15.9413.711.6901.390
e2_-0.02-0.03-0.04000c2_13.721.53120-0.70
e3_000-0.110-0.03c3_11.691237.0902.140
d1_000-1.9902.9c4_00010.370-1.37
d2_0.86-1.46-1.0801.270c5_1.39-0.72.1403.380
d3_000-11.590-8.81c6_000-1.3705.63