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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
276
Crystal Name: 2-[(1H-Pyrrol-2-yl)methyl]-1H-pyrrole   Chemical Formula: C9H10N2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.04c1_11.849.189.3900.560
e2_0.040.040.01000c2_9.1811.768.530-0.640
e3_0000.060-0.03c3_9.398.5315.2601.270
d1_0002.7307.79c4_0003.190-0.49
d2_2.054.79-3.5701.90c5_0.56-0.641.2704.180
d3_00017.480-4c6_000-0.4904.81
277
Crystal Name: 3,3'-bis(Ethylcarbonyl)-4,4'-bi(1,3-oxazolidin-2-one)   Chemical Formula: C12H16N2O6   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_0000.0100c1_1.154.176.83000
e2_00000.060c2_4.17-1.782.28000
e3_000003.12c3_6.832.2810.63000
d1_0.620.74-0.55-4.1100c4_000-2.7500
d2_-1.04-1.240.940-33.670c5_0000-1.90
d3_-141.01-167.79126.600-635.62c6_00000-4.91
278
Crystal Name: L-Leucine D-2-aminopentanoic acid   Chemical Formula: C11H24N2O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_000.01000c1_30.8111.544.76-1.391.13-3.37
e2_0000.010.010c2_11.5445.996.34-2.65-0.09-10.51
e3_0.010.01000.010c3_4.766.3418.91-2.1-1.24-0.13
d1_-0.09-0.050.741.061.26-0.35c4_-1.39-2.65-2.15.69-0.34-0.05
d2_-0.1-0.060.341.851.55-0.25c5_1.13-0.09-1.24-0.344.450.23
d3_00.190.190.563.030.13c6_-3.37-10.51-0.13-0.050.239.17
279
Crystal Name: 3-(4-(carboxymethoxy)phenyl)propanoic acid   Chemical Formula: C11H12O5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.02-0.0100.010-0.01c1_73.0230.435.07-23.32-39.337.37
e2_0.01-0.010.01-0.01-0.010.01c2_30.419.6822.07-7.1-14.4414.15
e3_0.030.01-0.01-0.03-0.020c3_35.0722.0730.34-7.05-16.8620.25
d1_0.54-6.15.253.19-6.09-5.93c4_-23.32-7.1-7.0516.1817.3-11.98
d2_1.04-7.235.32-1.45-0.13-1.92c5_-39.3-14.44-16.8617.330.61-26.13
d3_0.25.43-5.01-2.151.991.48c6_37.3714.1520.25-11.98-26.1329.22
280
Crystal Name: Hydroxyammonium 3-amino-2,4-dinitro-5-oxocyclopenta-1,3-dien-1-olate   Chemical Formula: C5H6N4O7   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1100.06c1_26.137.7323.720-4.330
e2_-0.090.48-0.1900.080c2_7.7377.7519.970-5.890
e3_000-0.2100.05c3_23.7219.9742.410-13.840
d1_000-9.3204.52c4_00010.120-4.41
d2_3.48.52-10.2300.340c5_-4.33-5.89-13.84014.230
d3_000-26.510-12.46c6_000-4.4105.06
281
Crystal Name: 5-[4-(1H-Imidazol-1-yl)phenyl]-1H-tetrazole   Chemical Formula: C10H8N6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1700c1_24.797.138.0300.740
e2_0.030-0.0300.030c2_7.1331.3119.8100.540
e3_000-0.0200c3_8.0319.8129.170-0.750
d1_000-7.8100.55c4_00021.680-0.15
d2_0.670.03-0.81021.750c5_0.740.54-0.7501.140
d3_000-1.090-2.07c6_000-0.1502.24
282
Crystal Name: 2,3-Dimethylaniline   Chemical Formula: C8H11N   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.01c1_15.2313.339.380-1.830
e2_-0.010.070.020-0.010c2_13.3318.37.4201.340
e3_0000.030-0.04c3_9.387.4217.580-2.990
d1_000-0.6501.16c4_0005.3402.79
d2_-21.1120.031.220-16.490c5_-1.831.34-2.9904.450
d3_0009.160-6.18c6_0002.79010.56
283
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P1


HD View 3D View Crystal Details
e1_000000c1_307.7819.5819.013.82-20.76-1.26
e2_-0.0100.01000c2_19.5820.7426.348.41.70.81
e3_0.0100000c3_19.0126.3436.9511.181.770.11
d1_01.19-0.960.20.24-1.13c4_3.828.411.1810.250.011.03
d2_0.27-2.941.780.53.57-0.87c5_-20.761.71.770.012.650.92
d3_-0.110.56-0.21-0.34-1.870.86c6_-1.260.810.111.030.922.21
284
Crystal Name: Gamma glycine   Chemical Formula: C2H5NO2   H-M Space Group: P31


HD View 3D View Crystal Details
e1_0.07-0.070-0.080.10.02c1_36.9220.8718.081.430.60
e2_0.02-0.0200.10.08-0.07c2_20.8736.9218.08-1.43-0.60
e3_-0.02-0.020.82000c3_18.0818.0884.1000
d1_4.69-4.690-5.95.951.22c4_1.43-1.43015.770-0.6
d2_0.61-0.6105.955.9-9.38c5_0.6-0.60015.771.43
d3_-3.97-3.9711.44000c6_000-0.61.438.02
285
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0600.03c1_14.8612.5513.4202.960
e2_0.02-0.230.030-0.020c2_12.5531.5115.6702.910
e3_000-0.030-0.05c3_13.4215.6721.4104.370
d1_000-8.5809.97c4_00011.0603.65
d2_5.05-13.629.140-3.850c5_2.962.914.3709.740
d3_0000.380-8.57c6_0003.6506.42
286
Crystal Name: l-lactic acid   Chemical Formula: C3H6O3   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000-0.0100c1_16.9812.178.63000
e2_0000-0.090c2_12.1722.7612.47000
e3_000000.03c3_8.6312.4720.1000
d1_000-1.6400c4_0007.700
d2_0000-10.830c5_00007.940
d3_000002.48c6_0000013.96
287
Crystal Name: 4-phenyl-1,1-bi-1,2,3-triazole   Chemical Formula: C10H8N6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.030-0.01c1_18.7711.3512.850-0.460
e2_0.01-0.07-0.050-0.030c2_11.3511.7810.910-0.30
e3_000-0.1100c3_12.8510.9115.520-3.530
d1_0006.360-6.63c4_0005.0600.84
d2_13.82-6.61-14.130-18.820c5_-0.46-0.3-3.5304.260
d3_000-22.7608.37c6_0000.8402.76
288
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_22.415.136.01000
e2_0000.0100c2_15.1332.869.8000
e3_0.070.020.04000c3_6.019.824.26000
d1_000064.890c4_0001.7100
d2_0003.6100c5_00000.280
d3_3.77-1.441.18000c6_000006.22
289
Crystal Name: 5-Hydroxy-1,5-dimethyl-3H-spiro[cyclohexane-1,3-indole]-2,3(1H)-dione   Chemical Formula: C15H18NO3   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.03-0.020.06-0.0600c1_21.868.7911.89-0.74-1.25-0.5
e2_0.01-0.09-0.060-0.01-0.02c2_8.7918.969.64-0.76-0.15-1.49
e3_-0.020.010.16-0.10.03-0.07c3_11.899.6436.48-2.221.7-0.57
d1_0.41-3.21.39-26.18-12.68-1.02c4_-0.74-0.76-2.223.32-2.36-0.09
d2_2.95-6.13-1.15-2.98-2.43-6.22c5_-1.25-0.151.7-2.365.450.07
d3_-5.24-2.514.79-39.46-14.3-16.1c6_-0.5-1.49-0.57-0.090.074.45
290
Crystal Name: Pyridine-N-oxide   Chemical Formula: C5H5NO   H-M Space Group: P41212


HD View 3D View Crystal Details
e1_000-0.0100c1_18.2212.2614.53000
e2_00000.010c2_12.2618.2214.53000
e3_000000c3_14.5314.5315.97000
d1_000-1.8100c4_0006.1500
d2_00001.810c5_00006.150
d3_000000c6_000004.9
291
Crystal Name: 1,2-bis(4-pyridyl)ethene-2,4-dihydroxybenzoic acid complex   Chemical Formula: C19H16N2O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.02-0.02-0.09-0.01-0.030c1_23.048.615.091.161.310.39
e2_0.010.010.07-0.010.03-0.03c2_8.620.316.63.05-2.490.82
e3_-0.020.01-0.22-0.01-0.060c3_15.096.6124.7-8.8327.61-2.37
d1_0.19-1.230.62-8.96-8.541.15c4_1.163.05-8.833.05-3.020.26
d2_0.433.37-2.27-3.679.36-13.71c5_1.31-2.4927.61-3.029.06-0.14
d3_0.813.87-2.87-19.69-3.06-2.47c6_0.390.82-2.370.26-0.142.62
292
Crystal Name: 3-nitro-4-[(3-nitro-1H-1,2,4-triazol-1-yl)-NNO-azoxy]-1,2,5-oxadiazole   Chemical Formula: C4HN9O6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0100c1_18.218.6710.640-1.180
e2_0-0.03-0.030-0.020c2_8.6717.5812.9700.660
e3_000-0.070-0.03c3_10.6412.9722.360-3.920
d1_0001.520-0.84c4_0004.6601.8
d2_1.07-0.22-2.580-4.390c5_-1.180.66-3.9205.490
d3_000-14.6600.11c6_0001.805.54
293
Crystal Name: L-Phenylalanine--D-isoleucine   Chemical Formula: C15H24N2O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.010.020.020-0.010.02c1_27.8613.656-2.5-0.362.15
e2_0.01-0.010.01-0.010-0.01c2_13.6543.685.74-1.60.454.64
e3_0-0.020.010.010-0.01c3_65.7417.280.161.960.01
d1_-0.870.261.280.93-1.552.92c4_-2.5-1.60.164.51.80.53
d2_0.28-0.350.45-2.43-0.07-1.56c5_-0.360.451.961.84.17-1.31
d3_0.38-0.360.573.36-0.95-1.12c6_2.154.640.010.53-1.317.19
294
Crystal Name: 2,4-dinitro-1,3,5-benzenetriol   Chemical Formula: C6H4N2O7   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0800.11c1_26.1611.7115.6306.360
e2_0.100.100.110c2_11.7119.5811.210-3.830
e3_0000.0700.09c3_15.6311.2120.3306.030
d1_00013.09016.25c4_0009.460-2.93
d2_0.480.771.408.440c5_6.36-3.836.03012.050
d3_00010.98012.86c6_000-2.9309.27
295
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.020-0.1c1_34.9911.839.750-1.180
e2_0.050.090.0800.010c2_11.8321.369.740-0.050
e3_0000.040-0.04c3_9.759.7416.9301.740
d1_000-2.550-5.98c4_0004.4700.93
d2_-0.123.382.3506.850c5_-1.18-0.051.7401.230
d3_0008.720-2.87c6_0000.93015.59
296
Crystal Name: Urea   Chemical Formula: CO(NH2)   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0600c1_14.3913.4712.44000
e2_00000.060c2_13.4714.3912.44000
e3_00000-0.04c3_12.4412.4468.39000
d1_0007.8600c4_0008.1400
d2_00007.860c5_00008.140
d3_00000-1.98c6_0000017.86
297
Crystal Name: DL-malic acid   Chemical Formula: C4H6O5   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_0.04-0.31-0.220-0.510c1_0.98-8.170.2602.060
e2_0000.1500.16c2_-8.17-8.9-3.6701.570
e3_-0.090.420.4500.650c3_0.26-3.675.4300.290
d1_84.68-53.52-69.330-222.520c4_000-2.901.11
d2_-0.040.040.01-0.140.14135.04c5_2.061.570.2902.620
d3_-131.473.56123.510292.330c6_0001.1101.17
298
Crystal Name: [1,2,4]triazolo[4,3-b]-1,2,4,5-tetrazine   Chemical Formula: C3H2N6   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000000c1_13.059.67.54000
e2_00000.10c2_9.622.1617.28000
e3_000000.07c3_7.5417.2814.69000
d1_000-0.1400c4_00010.100
d2_000048.830c5_00001.950
d3_0000016.16c6_000004.39
299
Crystal Name: b-glycine   Chemical Formula: C2H5NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1100.23c1_64.0413.4620.90-7.810
e2_0.03-0.130.110-0.070c2_13.4629.517.50-2.730
e3_0000.010-0.06c3_20.917.578.830-19.520
d1_000-20.33050.66c4_0009.0501.42
d2_0.93-6.181.920-2.20c5_-7.81-2.73-19.52018.060
d3_0003.520-13.08c6_0001.4205.18
300
Crystal Name: 3,4-Dihydroxybenzaldehyde   Chemical Formula: C7H6O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0600.19c1_25.2718.8912.8501.130
e2_0.150.410.030-0.070c2_18.8958.9516.5100.780
e3_000-0.060-0.01c3_12.8516.5147.30-3.960
d1_000-10.8014.56c4_0005.2900.13
d2_16.929.82-21.550-168.640c5_1.130.78-3.9601.110
d3_000-10.580-0.47c6_0000.13013.18