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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
551
Crystal Name: 3-Methylchroman-2-one   Chemical Formula: C10H10O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.040-0.04c1_13.419.398.6300.570
e2_0.040.050.02000c2_9.3912.45.540-1.110
e3_0000.0200.01c3_8.635.5432.660-4.290
d1_00017.770-10.45c4_0002.1500.19
d2_0.223.790.2703.060c5_0.57-1.11-4.2902.940
d3_0009.7101.21c6_0000.1903.69
552
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_21.112.84.81000
e2_0000.0100c2_12.829.638.69000
e3_0.060.030.04000c3_4.818.6923.25000
d1_0000-45.170c4_0001.6400
d2_0008.1800c5_0000-0.450
d3_3.16-0.861.35000c6_000005.52
553
Crystal Name: (S)-3-(1H-Benzimidazol-2-yl)-3-hydroxypropanoic acid   Chemical Formula: C10H10N2O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0100.01c1_22.7613.6612.410-1.050
e2_0.0100.020-0.040c2_13.6621.718.30-1.030
e3_0000.0200.01c3_12.418.331.6501.310
d1_000-3.4904.85c4_0002.9101.06
d2_-0.41-0.621.240-9.590c5_-1.05-1.031.3104.420
d3_0006.8102.18c6_0001.0603.02
554
Crystal Name: (2S)-3-(3,4-Dihydroxyphenyl)alanine   Chemical Formula: C9H11NO4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.010-0.01c1_29.9622.1726.9507.780
e2_-0.020.05-0.080-0.020c2_22.1732.9723.9602.610
e3_0000.0900.06c3_26.9523.9658.96013.260
d1_000-0.850-0.81c4_00011.302.46
d2_-2.524.89-2.6401.660c5_7.782.6113.26016.050
d3_0006.903.37c6_0002.46012.63
555
Crystal Name: Maleic Acid   Chemical Formula: C4H4O4   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.05-0.12-0.090-0.080c1_21.586.0311.0103.810
e2_000-0.180-0.14c2_6.0376.2412.1504.320
e3_-0.02-0.02-0.130-0.10c3_11.0112.1523.1706.310
d1_0.28-0.91-1.820-6.990c4_0009.4905.76
d2_000-33.04023.88c5_3.814.326.3109.440
d3_2.740.87-5.270-8.060c6_0005.7602.31
556
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_000-0.020-0.01c1_13.748.89.8700.340
e2_0.040.030.010-0.010c2_8.814.7210.2600.90
e3_0000.0200c3_9.8710.2614.520-0.650
d1_000-3.910-0.5c4_0004.8601.05
d2_4.133.02-4.340-3.760c5_0.340.9-0.6505.680
d3_0005.430-1.77c6_0001.0505.44
557
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200c1_22.7618.7214.770-2.180
e2_0.20.200-0.060c2_18.7221.9611.4700.890
e3_0000.020-0.05c3_14.7711.4720.690-5.310
d1_000-8.830-0.84c4_0002.620-1.74
d2_4.5320-25.070-42.270c5_-2.180.89-5.3104.670
d3_0005.770-2.21c6_000-1.74016.06
558
Crystal Name: acetamideoxime   Chemical Formula: C2H6N2O   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0600c1_20.714.7613.72000
e2_000000c2_14.7615.5912.05000
e3_000000.16c3_13.7212.0515.7000
d1_0007.4800c4_0008.5300
d2_00000.030c5_00008.950
d3_0000014.05c6_0000011.08
559
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0800c1_23.5316.3714.1301.590
e2_-0.1-0.19-0.1100.060c2_16.3727.4918.610-4.460
e3_000-0.0400.04c3_14.1318.6117.250-2.710
d1_00019.69017.03c4_00010.850-8.13
d2_-2.88-8.446.8209.210c5_1.59-4.46-2.7105.260
d3_000-0.3704.15c6_000-8.1309.39
560
Crystal Name: Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P31


HD View 3D View Crystal Details
e1_-0.080.080-0.08-0.090.02c1_37.4721.0818.57-1.541.030
e2_0.02-0.020-0.090.080.08c2_21.0837.4718.571.54-1.030
e3_0.030.03-0.82000c3_18.5718.5786.18000
d1_-5.135.140-6.4-4.90.82c4_-1.541.54015.460-1.03
d2_0.41-0.410-4.96.410.27c5_1.03-1.030015.46-1.54
d3_4.14.1-11.28000c6_000-1.03-1.548.2
561
Crystal Name: 2-amino-5-nitrotetrazole   Chemical Formula: CH2N6O2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_0000-0.070c1_15.887.5614.91000
e2_0000.0300c2_7.5647.457.88000
e3_-0.040.01-0.1000c3_14.917.8820.36000
d1_0000-4.680c4_0002.9500
d2_00010.4700c5_000013.990
d3_7.230.72-10.53000c6_000001.74
562
Crystal Name: 2-C-Methyl-D-allono-1,4-lactone   Chemical Formula: C7H12O6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.030-0.12c1_24.2217.147.101.820
e2_-0.020.13-0.0600.010c2_17.1461.997.720-2.660
e3_000-0.020-0.06c3_7.17.7234.630-0.360
d1_000-14.040-7.37c4_0001.910-0.08
d2_-2.853.32-1.9104.770c5_1.82-2.66-0.3604.960
d3_000-12.830-3.64c6_000-0.08015.79
563
Crystal Name: Urea   Chemical Formula: CO(NH2)2   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0900c1_14.314.6212.23000
e2_00000.090c2_14.6214.312.23000
e3_00000-0.03c3_12.2312.2377.45000
d1_00010.8600c4_0008.1100
d2_000010.860c5_00008.110
d3_00000-1.4c6_0000019.01
564
Crystal Name: (3aR,4R,5R,6S)-1-Benzylspiro(cyclopenta(c)isoxazole-5,2-tetrahydropyran)-4,6-diol   Chemical Formula: C17H23NO4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.090.0100.01-0.010c1_25.0212.712.11.09-0.21-0.45
e2_0.040.08-0.03-0.020.010.02c2_12.728.1310.97-1.61-1.473.33
e3_-0.020-0.03-0.020.010c3_12.110.9725.7-3.72-2.121.25
d1_-6.162.752.363.6-0.03-2.14c4_1.09-1.61-3.728.390.80.99
d2_2.52.7-4.05-4.651.162.91c5_-0.21-1.47-2.120.87.880.41
d3_-0.380.91-1.44-2.331.73-0.36c6_-0.453.331.250.990.417.91
565
Crystal Name: 3-aminopyrazole-4-carboxylic acid   Chemical Formula: C4H5N3O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.030-0.78c1_63.9167.1316.8403.30
e2_-0.73-0.910.0600.050c2_67.1381.6113.7401.020
e3_000-0.0600.04c3_16.8413.7439.06010.30
d1_000-3.210-12.43c4_0007.90-4.43
d2_-1.7-10.775.6601.70c5_3.31.0210.307.730
d3_000-7.6900.15c6_000-4.43063.52
566
Crystal Name: 2-dimethyl-4-(2-methylpropyl)-5-oxoimidazolidin-3-ium-1-yl]acetate   Chemical Formula: C11H20N2O3   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.0500.01-0.010.04-0.04c1_19.4712.567.08-1.16-1.16-4.57
e2_-0.02-0.180.020.040-0.04c2_12.5635.768.930.650.020.21
e3_0.020.060.110.01-0.020.05c3_7.088.9318.212.57-0.831.48
d1_2.47-1.061-1.548.85-3.34c4_-1.160.652.577.110.440.3
d2_0.56-6.073.445.620.09-5.73c5_-1.160.02-0.830.444.34-0.81
d3_-0.020.145.71-1.28-1.84.84c6_-4.570.211.480.3-0.817.89
567
Crystal Name: 3,6-dihydroxyphthalaldehyde   Chemical Formula: C8H6O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200.02c1_19.1510.2212.90-0.210
e2_0-0.02000.010c2_10.2230.2415.30-0.840
e3_000-0.0200.01c3_12.915.342.710-4.810
d1_000-2.4902.43c4_0007.720-0.8
d2_-0.85-0.921.98012.590c5_-0.21-0.84-4.8101.750
d3_000-2.2900.57c6_000-0.809.04
568
Crystal Name: N-(4-Nitrophenyl)-L-prolinol   Chemical Formula: C11H14N2O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.130-0.17c1_10.937.1934.910-7.930
e2_0.072.441.990-0.280c2_7.1919.9-0.5706.360
e3_000-0.2200.17c3_34.91-0.57225.550-74.080
d1_000-22.530117.94c4_0007.5500.37
d2_-341.1628522.670-120.840c5_-7.936.36-74.08025.810
d3_000-22.670-131.29c6_0000.370-1.38
569
Crystal Name: cis-6-Hydroxymethyl-3-methyl-2,5-piperazinedione monohydrate   Chemical Formula: C6H12N2O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.050.02-0.020.020.01-0.02c1_29.0914.8321.17-2.0510.21-3.35
e2_-0.020.010.010.08-0.020.05c2_14.8329.8615.141.2-2.09-5.77
e3_0.0500.19-0.08-0.01-0.04c3_21.1715.1435.27-3.2611.08-2.09
d1_-4.382.57-0.112.723.96-3.1c4_-2.051.2-3.268.98-1.994.4
d2_-0.84-1.12.778.81-1.70.86c5_10.21-2.0911.08-1.9915.48-1.21
d3_-0.03-7.5511.59-3.82-11.16-5.53c6_-3.35-5.77-2.094.4-1.219.98
570
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0800c1_13.4714.412.06000
e2_00000.080c2_14.413.4712.06000
e3_00000-0.03c3_12.0612.0669.16000
d1_0009.7100c4_0007.7700
d2_00009.710c5_00007.770
d3_00000-1.77c6_0000018.18
571
Crystal Name: (+-)-trans-1,2-Diaminocyclohexane   Chemical Formula: C6H14N2   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0200c1_15.746.538.39000
e2_00000.020c2_6.5325.111.99000
e3_00000-0.04c3_8.391.9921.85000
d1_000-5.2400c4_0003.6600
d2_00002.570c5_00006.130
d3_00000-4.35c6_000009.99
572
Crystal Name: L-histidine   Chemical Formula: C6H9N3O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.13c1_36.5212.069.2400.130
e2_0.050.05-0.030-0.040c2_12.0620.157.8101.510
e3_00000-0.01c3_9.247.8197.020-12.430
d1_0004.360-14.55c4_0004.9600.13
d2_0.55.22-3.390-20.680c5_0.131.51-12.4304.260
d3_0000.870-0.63c6_0000.1308.74
573
Crystal Name: Methyl 3,4-anhydro-α-DL-allopyranoside   Chemical Formula: C7H12O5   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_-0.37-0.250.3600.120c1_3.720.836.980-3.620
e2_000-0.1700.07c2_0.831.355.70-0.350
e3_0.05-0.05-0.0100.050c3_6.985.74.1100.540
d1_424.07-54655.060520.290c4_000-5.440-0.62
d2_-0.010.03-0.0126.52-0.0147.43c5_-3.62-0.350.5402.740
d3_302.06-461.5178.460343.280c6_000-0.6201.87
574
Crystal Name: Pentamethylene-(R,S)-(+-)-bis(3,3,3-trifluorolactate)   Chemical Formula: C11H14F6O6   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_0000-0.070c1_18.212.148.95000
e2_0000.0100c2_12.1413.345.1000
e3_0.11-0.05-0.15000c3_8.955.18.86000
d1_0000-13.910c4_000-0.0800
d2_000-86.3100c5_00004.810
d3_53.32-32.84-51.43000c6_000001.57
575
Crystal Name: (+-)-Phenyl 3-methyl-2-oxoindolyl-3-carboxylate   Chemical Formula: C16H13N1O3   H-M Space Group: P32


HD View 3D View Crystal Details
e1_-0.030.0300.010.01-0.02c1_15.2711.8913.111.03-1.980
e2_-0.020.0200.01-0.010.03c2_11.8915.2713.11-1.031.980
e3_0.020.020.02000c3_13.1113.1117.6700-0
d1_-27.1827.18037.88-12.32-47.44c4_1.03-1.0304.1801.98
d2_-23.7223.74-0.01-12.32-37.954.39c5_-1.981.98004.181.03
d3_1.081.08-0.66000c6_00-01.981.031.69