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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
376
Crystal Name: p-aminobenzoic acid   Chemical Formula: C7H7NO2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.08-0.01-0.0500.020c1_27.7316.5612.0102.750
e2_000000.02c2_16.5621.6116.90-4.480
e3_0.080.030.0500.060c3_12.0116.922.4901.750
d1_5.72-2.59-3.160-0.530c4_0008.540-4.47
d2_0000.8102.6c5_2.75-4.481.75010.930
d3_1.97-0.030.9204.520c6_000-4.47010.91
377
Crystal Name: ammonioacetate   Chemical Formula: C2H5NO2   H-M Space Group: P31


HD View 3D View Crystal Details
e1_0.08-0.080-0.080.10.02c1_38.1923.1519.561.480.710
e2_0.02-0.0200.10.08-0.08c2_23.1538.1919.56-1.48-0.710
e3_-0.03-0.030.82000c3_19.5619.5684.53000
d1_5.58-5.580-6.145.591.33c4_1.48-1.48015.660-0.71
d2_0.66-0.6705.596.14-11.17c5_0.71-0.710015.661.48
d3_-4.12-4.1211.57000c6_000-0.711.487.52
378
Crystal Name: Deacetyl tenuazonic acid   Chemical Formula: C8H13NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0500.05c1_20.545.746.910-1.370
e2_0.020.030.01000c2_5.7426.4610.2202.20
e3_0000.100.01c3_6.9110.2214.130-1.360
d1_00023.17047.77c4_0006.650-2.24
d2_0.61.8-1.360-1.380c5_-1.372.2-1.3603.170
d3_00025.58032.82c6_000-2.2402.14
379
Crystal Name: (R)-histidinium (2R, 3R)-tartrate   Chemical Formula: C10H15N3O8   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.14-0.11-0.050.020.13-0.06c1_36.530.6919.680.35-11.243.18
e2_0.11-0.450-0.03-0.01-0.04c2_30.6969.1222.88-1.9-5.7411.13
e3_0.12-0.120.050-0.02-0.01c3_19.6822.8830.640.85-6.6-0.57
d1_0.44-0.010.97-0.1814.16-6.21c4_0.35-1.90.857.91-0.37-3.53
d2_16.87-14.762.53-5.719.813.62c5_-11.24-5.74-6.6-0.3710.311.2
d3_9.09-5.871.32-0.645.781.14c6_3.1811.13-0.57-3.531.212.29
380
Crystal Name: Carbon(II) oxide   Chemical Formula: CO   H-M Space Group: P213


HD View 3D View Crystal Details
e1_0000.0100c1_3.872.742.74000
e2_00000.010c2_2.743.872.74000
e3_000000.01c3_2.742.743.87000
d1_0006.4700c4_0001.900
d2_00006.470c5_00001.90
d3_000006.48c6_000001.9
381
Crystal Name: 4,5-Dihydroxy-7-oxa-bicyclo[4.1.0]hept-2-ene-3-carboxylic acid methyl ester   Chemical Formula: C8H10O5   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.01c1_32.119.819.050-4.540
e2_-0.010.060.0400.020c2_9.8126.8712.620-0.520
e3_0000.0100.04c3_9.0512.6226.5400.590
d1_0002.470-0.31c4_0007.520-1.42
d2_-0.792.140.701.850c5_-4.54-0.520.5906.590
d3_0002.2207.7c6_000-1.4205.47
382
Crystal Name: 2,4,6-Trinitro-1,3,5-benzenetriol   Chemical Formula: C6H3N3O9   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.01c1_24.378.158.1507.990
e2_-0.020.02-0.040-0.060c2_8.1514.5110.60-2.220
e3_000-0.020-0.05c3_8.1510.615.8600.610
d1_0003.690-1.9c4_0005.170-1.11
d2_6.77-1.76-4.260-16.970c5_7.99-2.220.6106.520
d3_000-7.370-12.13c6_000-1.1104.86
383
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_13.910.3711.78000
e2_0000-0.010c2_10.3713.579.65000
e3_000000.02c3_11.789.6514.78000
d1_0.010-0.0137.3800c4_0000.7600
d2_0.01000-0.950c5_00006.60
d3_-0.0100.01003.42c6_000006.02
384
Crystal Name: Ethanol   Chemical Formula: C2H6O   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.030.03-0.01000c1_14.936.58.370-3.890
e2_000-0.0100.01c2_6.512.315.100.510
e3_0.0100.190-0.050c3_8.375.121.380-3.450
d1_-5.025.49-0.620-4.330c4_0001.90-0.28
d2_000-3.5602.54c5_-3.890.51-3.4506.550
d3_-5.61-1.6510.70-4.870c6_000-0.2804.47
385
Crystal Name: cis-1,2,4-trans-3,5,6-cyclohexanehexol   Chemical Formula: C6H12O6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.12c1_44.4517.4513.080-0.970
e2_0.080.320.180-0.010c2_17.4542.926.530-1.680
e3_0000.0800.06c3_13.0826.5347.0302.610
d1_0000.8907.45c4_00021.940-2.86
d2_-1.348.4-0.6700.740c5_-0.97-1.682.6108.110
d3_0004.3404.4c6_000-2.86016.1
386
Crystal Name: Bicyclo[3.3.1]nona-2,6-diene-2,6-dicarbonitrile   Chemical Formula: C11H10N2   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_0000.0100c1_22.3110.339.91000
e2_00000.020c2_10.3315.148.65000
e3_00000-0.07c3_9.918.6518.13000
d1_0004.5100c4_0001.2400
d2_00004.880c5_00004.130
d3_00000-14.97c6_000004.65
387
Crystal Name: N-methylurea   Chemical Formula: C2H6N2O   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000000c1_16.519.7412.41000
e2_0000-0.040c2_9.7417.8211.27000
e3_000000.08c3_12.4111.2726.61000
d1_000-0.800c4_0004.0900
d2_0000-8.940c5_00004.760
d3_000009.93c6_000008.07
388
Crystal Name: Diaminoguanidinium 4,5-dicyano-1,2,3-triazolate   Chemical Formula: C5H8N10   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0400.03c1_17.458.648.7902.080
e2_-0.02-0.23-0.060-0.080c2_8.6418.1616.4303.620
e3_0000.1300.04c3_8.7916.4320.6404.550
d1_000-19.99033.52c4_0009.2204.31
d2_4.87-36.826.930-12.040c5_2.083.624.5506.720
d3_00018.670-10.28c6_0004.3103.46
389
Crystal Name: 1-methyl-4-nitroimidzole   Chemical Formula: C4H5N3O2   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.05-0.10.2-0.030.09-0.05c1_16.487.9914.391.683.680.94
e2_-0.03-0.27-0.10.07-0.020.01c2_7.9929.0210.490.182.843.18
e3_0.050.110.23-0.150.15-0.05c3_14.3910.4927.8-2.748.41-1.76
d1_-5.22-5.710.516.175.9-6.36c4_1.680.18-2.747.49-3.242.57
d2_1.24-10.90.119.393.825.87c5_3.682.848.41-3.249.98-0.37
d3_-2.912.35.56-14.316.23-1.55c6_0.943.18-1.762.57-0.374.04
390
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
391
Crystal Name: zeta-glycine-d5   Chemical Formula: C2D5NO2   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.30.030.17-0.040.350.19c1_80.7215.4724.180.77-8.05-0.88
e2_0.04-0.140.1-0.010.030.07c2_15.4733.9719.23-0.28-4.580.69
e3_0.040.060.670-0.27-0.01c3_24.1819.2374.72-2.31-15.6-0.43
d1_-3.29-0.359.270.1426.3947.5c4_0.77-0.28-2.319.610.57-0.75
d2_1.35-6.673.480.443.8419.54c5_-8.05-4.58-15.60.5718.02-0.19
d3_-2.54-3.148.632.2-9.49-2.58c6_-0.880.69-0.43-0.75-0.194.23
392
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0600.04c1_21.912.7811.50-3.230
e2_0.040.050.1300.050c2_12.7819.2411.040-1.580
e3_0000.150-0.04c3_11.511.0416.310-2.320
d1_0007.6605.83c4_0006.3601.34
d2_1.09-3.7414.13030.50c5_-3.23-1.58-2.3202.520
d3_00026.770-17.52c6_0001.3404.44
393
Crystal Name: 1-Methylindoline-5-carbonitrile   Chemical Formula: C10H10N2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0200c1_14.0810.8113.60-1.250
e2_-0.02-0.02-0.0600.040c2_10.8111.6510.3801.340
e3_000-0.0200.04c3_13.610.3821.730-3.170
d1_0009.840-2.95c4_0002.3800.9
d2_9.01-8.78-2.65012.10c5_-1.251.34-3.1704.920
d3_000-11.2011.95c6_0000.904.26
394
Crystal Name: Hexanedioic acid bis(4-methylpyridine)   Chemical Formula: C18H24N2O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_000000c1_28.038.959.30.345.147.18
e2_000000c2_8.9510.469.13-0.210.10.49
e3_00.010000c3_9.39.1320.22-5.351.651.05
d1_1.610.85-2.62-5.811.48-4.47c4_0.34-0.21-5.354.22-0.76-1.61
d2_-0.16-1.181.322.62-2.291.63c5_5.140.11.65-0.763.592.57
d3_0.631.68-1.77-3.39-0.27-1.64c6_7.180.491.05-1.612.575.82
395
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_23.8414.865.98000
e2_0000.0100c2_14.8632.739.49000
e3_0.070.020.04000c3_5.989.4924.95000
d1_0000-58.610c4_0001.9200
d2_0004.5300c5_0000-0.30
d3_3.43-1.141.09000c6_000006.43
396
Crystal Name: Imidazolium L-Tartrate   Chemical Formula: C7H10N2O6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0200.02c1_78.6911.9620.980-13.350
e2_0.26-0.02-0.1300.040c2_11.9614.787.620-1.130
e3_000-0.010-0.02c3_20.987.6243.740-11.250
d1_0009.5701.21c4_0002.2400.73
d2_5.66-3.65-3.8604.510c5_-13.35-1.13-11.25015.080
d3_000-5.340-1.65c6_0000.7307.28
397
Crystal Name: N-[(4-hydroxy-3-methoxyphenyl)methyl]formamide   Chemical Formula: C9H11NO3   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.190.070.050.040-0.04c1_20.9715.8211.460.831.111.21
e2_-0.13-0.09-0.02-0.040.030.06c2_15.8219.3314.545.26-2.65-2.44
e3_-0.01-0.030.08-0.030.050.02c3_11.4614.5425.236.46-0.26-0.32
d1_43.92-46.545.1512.02-27.5-24.1c4_0.835.266.468.16-2.83-1.46
d2_-25.3523.49-1.07-5.820.3217.89c5_1.11-2.65-0.26-2.834.310.7
d3_-4.850.326.93-6.028.411.56c6_1.21-2.44-0.32-1.460.76.84
398
Crystal Name: 4-aminopyridinium hydrogen maleate   Chemical Formula: C9H10N2O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0300.07c1_16.4416.851401.090
e2_0.040.09-0.0700.050c2_16.8529.7618.5401.120
e3_00000-0.01c3_1418.5437.320-0.110
d1_0006.7504.53c4_0004.8200.08
d2_0.364.57-4.29020.220c5_1.091.12-0.1102.030
d3_0000.470-0.73c6_0000.08016.04
399
Crystal Name: Pyrazine-2-carboxamide   Chemical Formula: C5H5N3O   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.110.020.1300.110c1_47.1913.6219.5706.40
e2_000-0.0100.01c2_13.6224.37.8700.830
e3_0.06-0.050.3500.090c3_19.577.8745.8609.330
d1_-5.642.613.1108.560c4_0001.490-0.55
d2_000-9.1500.86c5_6.40.839.33013.650
d3_-1.47-3.878.4501.840c6_000-0.5506.68
400
Crystal Name: Oxammite   Chemical Formula: C2H10N2O5   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0500c1_62.7726.8321.46000
e2_00000.010c2_26.8364.4426.46000
e3_00000-0.06c3_21.4626.4637.49000
d1_000-3.9700c4_00012.3300
d2_00000.50c5_000011.610
d3_00000-3.64c6_0000016.25