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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
501
Crystal Name: N-[8-nitro-2-oxo-2-pyrazolo[5,1-d][1,2,3,5]tetrazin-4(6H)-ylidene]hydroxylamine monohydrate   Chemical Formula: C4H5N7O5   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.01-1.460.5800.150c1_25.6311.1917.690-12.570
e2_000-0.020-0.05c2_11.1910.768.320-4.920
e3_0.051.99-0.60-0.240c3_17.698.3221.560-4.040
d1_49.88-257.5583.210-11.460c4_000-0.460-0.74
d2_00.01044.530-5.32c5_-12.57-4.92-4.04013.560
d3_-85.23344.45-90.5501.410c6_000-0.7403.08
502
Crystal Name: N-(7-Hydroxy-4-methyl-8-coumarinyl)-L-alanine   Chemical Formula: C14H15NO5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.07-0.01-0.05-0.010.030.08c1_17.1514.3416.491.37-3.424.91
e2_0.060.260.030-0.020.09c2_14.3444.9613.211.734.569.54
e3_-0.060.010.010.080.03-0.05c3_16.4913.2124.633.46-2.751
d1_20.26-4.07-12.38-2.347.191.67c4_1.371.733.46104.063.5
d2_-6.667.230.370.6-8.776.83c5_-3.424.56-2.754.0611.73.13
d3_-10.013.493.5410.48-3.33-5.47c6_4.919.5413.53.1311.86
503
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.020-0.05c1_35.1518.457.0900.310
e2_0-0.230.0500.010c2_18.4531.3811.33010
e3_0000.050-0.03c3_7.0911.3318.1300.460
d1_000-3.480-3.67c4_0004.301.87
d2_5.62-14.179.0209.910c5_0.3110.4602.120
d3_00014.870-4.93c6_0001.87011.81
504
Crystal Name: 4-[4-(3-Methoxybenzamido)phenoxy]-N-methylpicolinamide   Chemical Formula: C21H19N3O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.07-0.03-0.030.0600.03c1_17.612.43130.491.631.74
e2_-0.030.070.02-0.030.02-0.03c2_12.4321.9516.56-7.371.42-3.76
e3_-0.01-0.030.010.0300.02c3_1316.5616.07-4.963.28-1.26
d1_-29.6822.479.7140.32107.6c4_0.49-7.37-4.967.02-1.883.59
d2_-10.2817.57-6.6711.488.940.93c5_1.631.423.28-1.885.890.01
d3_-11.57-6.2920.6811.11-2.931.22c6_1.74-3.76-1.263.590.014.57
505
Crystal Name: 3-Nitrobenzaldehyde   Chemical Formula: C7H5NO3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0100.01c1_22.4311.346.760-0.650
e2_00.11-0.0900.020c2_11.3428.547.701.590
e3_0000.100c3_6.767.724.740-4.760
d1_000-2.0601.68c4_0006.4100.37
d2_-1.496.47-6.590-6.710c5_-0.651.59-4.7603.450
d3_00015.90-1.34c6_0000.3705.63
506
Crystal Name: L~s~-Threonine   Chemical Formula: C4H9NO3   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000-0.0200c1_7.97.712.85000
e2_0000-0.170c2_7.712.053.5000
e3_00000-0.1c3_2.853.5-9.04000
d1_-0.050.060.012.0400c4_000-8.6200
d2_000060.150c5_0000-2.770
d3_0000025.93c6_00000-3.93
507
Crystal Name: Urea   Chemical Formula: CO(NH2)2   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0700c1_14.0113.6212.14000
e2_00000.070c2_13.6214.0112.14000
e3_00000-0.03c3_12.1412.1467.53000
d1_0008.4100c4_0008.1600
d2_00008.410c5_00008.160
d3_00000-1.82c6_0000018.06
508
Crystal Name: (2E,4Z)-Methyl 5-((R)-2,2,5,5-tetramethyl-1,3-dioxane-4-carboxamido)penta-2,4-dienoate   Chemical Formula: C15H23NO5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.0700.010.03-0.050.01c1_23.1311.569.792.1-5.631.84
e2_0.02-0.0300.020.020c2_11.5617.559.580.47-2.752.24
e3_-0.030.020.03-0.020.020.01c3_9.799.5817.843.07-2.70.91
d1_3.05-2.55-1.363.55-5.412.02c4_2.10.473.076.3-0.5-0.06
d2_2.72-3.080.352.343.991.4c5_-5.63-2.75-2.7-0.57.810.02
d3_-2.540.873.78-4.311.491.06c6_1.842.240.91-0.060.024.62
509
Crystal Name: g-Methy-L-glutamate N-carboxy anhydride   Chemical Formula: C7H9NO5   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.09c1_19.9110.8213.6700.550
e2_-0.03-0.0300-0.080c2_10.8213.956.770-1.460
e3_000-0.0400.01c3_13.676.772904.490
d1_000-2.090-14.79c4_0001.610-0.21
d2_-0.86-3.472.330-6.450c5_0.55-1.464.49015.470
d3_000-22.1501.2c6_000-0.2106.36
510
Crystal Name: 3-Hydroxypyridinium-2-carboxylate   Chemical Formula: C6H5NO3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1100.12c1_19.179.2511.6500.070
e2_00.14-0.0400.060c2_9.2527.9911.0201.370
e3_0000.160-0.05c3_11.6511.0238.380-11.390
d1_000-9.23013.17c4_0009.280-1.93
d2_-2.935.750.1306.760c5_0.071.37-11.3907.420
d3_00017.140-2.92c6_000-1.9307.39
511
Crystal Name: Urea   Chemical Formula: CO(NH2)2   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0800c1_13.6814.0212.15000
e2_00000.080c2_14.0213.6812.15000
e3_00000-0.03c3_12.1512.1568.69000
d1_0009.4800c4_0008.200
d2_00009.480c5_00008.20
d3_00000-1.83c6_0000018.11
512
Crystal Name: acetonitrile   Chemical Formula: C2H3N   H-M Space Group: Cmc21


HD View 3D View Crystal Details
e1_0000-0.150c1_10.885.573.82000
e2_000-0.0500c2_5.5711.777.29000
e3_-0.110.040.01000c3_3.827.2912.42000
d1_0000-68.540c4_0007.1700
d2_000-7.3400c5_00002.120
d3_-15.7811.39-0.86000c6_000003.4
513
Crystal Name: Pyridone--tartronic acid, hydroxypyridinium hydrogen tartronate   Chemical Formula: C8H9NO6   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.090.04000.050c1_20.9615.3120.680-6.830
e2_0000.030-0.01c2_15.3138.2227.170-10.260
e3_0.02-0.15-0.030-0.070c3_20.6827.1744.780-17.50
d1_-9.582.865.2106.330c4_0009.890-5.22
d2_0004.8904.14c5_-6.83-10.26-17.5016.570
d3_5.63-6.94-2.230-8.310c6_000-5.2204.46
514
Crystal Name: 3-Hydroxy-1,2,3-trimethylcyclohexane-1-carbonitrile   Chemical Formula: C10H17NO   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.020.12000.020.05c1_14.3910.445.27-0.740.084.44
e2_0.040.16-0.040.0400.1c2_10.4435.053.521.070.258.42
e3_-0.03-0.010.0200-0.01c3_5.273.5216.150.35-0.3-0.61
d1_-3.382.911.06-4.128.146.03c4_-0.741.070.354.780.121.59
d2_-0.112.96-34.79-1.737.19c5_0.080.25-0.30.122.66-0.27
d3_-3.440.262.37-1.910.451.04c6_4.448.42-0.611.59-0.278.82
515
Crystal Name: Acetal, structure 15   Chemical Formula: C14H22O8   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.090.010.040-0.04-0.01c1_23.037.610.090.681.21.42
e2_-0.01-0.030-0.010.020.01c2_7.623.369.553.25-0.271.35
e3_-0.010-0.02-0.020.01-0.02c3_10.099.5526.13-0.172.93-0.89
d1_-5.60.884.14-1.16-6.27-1.14c4_0.683.25-0.176.93-2-0.28
d2_-0.74-1.640.72-0.232.693.82c5_1.2-0.272.93-27.68-0.62
d3_-0.021.46-1.45-3.680.36-4.3c6_1.421.35-0.89-0.28-0.624.45
516
Crystal Name: 3,8,9-Trioxatricyclo[4.2.1.02,4]nonan-5-ol   Chemical Formula: C6H8O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0800c1_21.113.6913.070-2.30
e2_-0.020.1-0.020-0.020c2_13.6925.68.100.020
e3_000-0.060-0.06c3_13.078.129.5900.610
d1_000-12.220-6.87c4_0008.150-3.52
d2_-5.887.190.140-3.550c5_-2.30.020.61010.470
d3_000-14.760-17.12c6_000-3.5206.72
517
Crystal Name: [(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)proline]   Chemical Formula: C6H11NO5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.230.11-0.0200.030.14c1_56.8422.3915.1-3.46-4.940.28
e2_0.12-0.03-0.0500.040.08c2_22.3946.513.71-2.46-2.45-2.04
e3_-0.07-0.03-0.02-0.040.01-0.05c3_15.113.7128.92.110.063.34
d1_-5.186.9-3.231.817.1914.39c4_-3.46-2.462.1110.210.69-0.98
d2_4.76-0.18-5.573.3911.3610.04c5_-4.94-2.450.060.697.42-2.21
d3_-1.66-0.851.63-5.31-0.67-4.65c6_0.28-2.043.34-0.98-2.2112.58
518
Crystal Name: 4-nitramino-1,2,4-triazole   Chemical Formula: C2H3N5O2   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000-0.0200c1_45.841411.24000
e2_0000-0.040c2_1455.795.53000
e3_00000-0.08c3_11.245.5317.91000
d1_000-6.8600c4_0003.100
d2_0000-5.760c5_00006.860
d3_00000-5.05c6_0000015.3
519
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.1700c1_23.0212.544.99000
e2_0000-0.050c2_12.5436.924.15000
e3_00000-0.11c3_4.9924.1534.66000
d1_00016.7400c4_00010.3300
d2_0000-9.610c5_00005.060
d3_00000-19.48c6_000005.46
520
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0600c1_13.5812.7511.85000
e2_00000.060c2_12.7513.5811.85000
e3_00000-0.03c3_11.8511.8565.58000
d1_000800c4_0008.1100
d2_000080c5_00008.110
d3_00000-1.99c6_0000017.31
521
Crystal Name: (S)-(-)-hydroxysuccinic acid urea addition compound   Chemical Formula: C5H10N2O6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0100.01c1_16.1212.3515.460-1.880
e2_0.090.130.10-0.030c2_12.3535.1614.6102.310
e3_0000.050-0.01c3_15.4614.6126.8701.860
d1_0000.6901.38c4_0009.4402.63
d2_0.473.162.10-7.140c5_-1.882.311.8605.990
d3_0006.750-5.72c6_0002.6304.48
522
Crystal Name: Oxammite   Chemical Formula: C2H10N2O5   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0400c1_61.9526.9222.04000
e2_00000.010c2_26.9263.6926.41000
e3_00000-0.05c3_22.0426.4137.24000
d1_000-3.6300c4_00012.2100
d2_000010c5_000012.050
d3_00000-3.21c6_0000016.18
523
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.05c1_48.25.5111.040-0.730
e2_0.080.050.0100.010c2_5.5116.738.930-1.130
e3_000-0.0100.03c3_11.048.9315.9101.630
d1_000-0.730-8.22c4_0006.880-0.88
d2_2.265.83-5.1108.450c5_-0.73-1.131.6303.360
d3_000-1.5604.51c6_000-0.8806.39
524
Crystal Name: amino oxadiazolone   Chemical Formula: C2H3N3O2   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_0.730.060.090-0.150c1_80.4911.8314.480-4.290
e2_000000.1c2_11.8324.558.970-0.810
e3_-0.180-0.3700.110c3_14.488.9740.690-7.490
d1_9.25-1.37-2.320-8.540c4_0005.860-0.51
d2_0001.3708.83c5_-4.29-0.81-7.49015.670
d3_-13.79-9.0402.430c6_000-0.51011.37
525
Crystal Name: Querecetin Picolinic acid cocrystal (QUER-PICO)   Chemical Formula: C21H15NO9   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.03-0.040.10.1-0.120.03c1_16.5715.2911.58-1.9-0.39-5.73
e2_-0.0100.02-0.090.080.03c2_15.2916.8810.78-2.452.83-5.73
e3_-0.010.04-0.260.020.13-0.04c3_11.5810.7855.39-5.4-8.58-0.12
d1_77.98-92.1324.9698.577.49-13.61c4_-1.9-2.45-5.45.1-3.972.56
d2_-9.3717.25-8.62-48.04-19.5620.12c5_-0.392.83-8.58-3.979.49-2.69
d3_20.73-25.78.6551.8749.17-9.39c6_-5.73-5.73-0.122.56-2.697.06