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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
476
Crystal Name: Perdeuteroalloxan   Chemical Formula: C4D2N2O4   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0700c1_19.5217.6512.59000
e2_00000.070c2_17.6525.6316.84000
e3_000000.08c3_12.5916.8424.64000
d1_0005.8100c4_00011.7100
d2_00005.090c5_000014.530
d3_000009.04c6_000008.46
477
Crystal Name: Graphite   Chemical Formula: C   H-M Space Group: P63mc


HD View 3D View Crystal Details
e1_000000c1_1158.51155.3510.010.01-0.08
e2_000000c2_155.351158.641.090-0.01-0.04
e3_000000c3_11.09-15.020.03-0.02-0.07
d1_000-0.01-0.010c4_0.0100.03-3.785.43-0.01
d2_00-0.010-0.010c5_0.01-0.01-0.025.432.49-0
d3_000.08000c6_-0.08-0.04-0.07-0.01-0501.59
478
Crystal Name: 4-methoxyquinazoline   Chemical Formula: C9H8N2O   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.020-0.02c1_20.489.5312.930-4.70
e2_-0.04-0.02-0.0100.010c2_9.5317.4511.4500.240
e3_000-0.050-0.04c3_12.9311.4520.050-0.140
d1_000-0.820-6.06c4_0004.9601.81
d2_-3.78-0.242.040-1.850c5_-4.70.24-0.1404.180
d3_000-7.830-7.64c6_0001.8102.92
479
Crystal Name: 6,6-dimethy1-3-oxa-4-azatricyclo[5.2.1.0(1.5)]dec-4-ene   Chemical Formula: C10H15NO   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.130-0.08c1_12.042.151.640-1.140
e2_-0.56-1.71-0.560-0.840c2_2.1511.936.080-0.920
e3_000-0.100.3c3_1.646.087.640-1.60
d1_00014.7011.71c4_000-5.72018.47
d2_45.94-232.91305.830975.070c5_-1.14-0.92-1.60-0.530
d3_0-0.010.0114.290.03-1.04c6_00018.470-29.91
480
Crystal Name: 2-(4-hydroxyphenoxy)propanoic acid   Chemical Formula: C9H10O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0100.06c1_27.599.349.780-2.320
e2_-0.010.060.0100.030c2_9.3412.2412.0502.260
e3_0000.0500.04c3_9.7812.0517.5600.680
d1_000-1.9807.54c4_00010.4804.68
d2_-2.5715.8-8.920-1.870c5_-2.322.260.6805.010
d3_0003.3402.3c6_0004.6809.02
481
Crystal Name: 3,6-dihydroxy-4,5-dimethylbenzene-1,2-dicarbaldehyde   Chemical Formula: C10H10O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.03c1_17.8414.9113.930-4.890
e2_0-0.010.02000c2_14.9120.055.650-0.380
e3_0000.0200.02c3_13.935.65200-6.050
d1_-0.010.010.01-0.770-2.34c4_0005.090-0.2
d2_-8.44.365.70-0.180c5_-4.89-0.38-6.0508.260
d3_0003.8801.37c6_000-0.2012.2
482
Crystal Name: Methyl 2,4-anhydro-5-azido-5,6-dideoxy-L-altronate   Chemical Formula: C7H11N3O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.010-0.08c1_9.2813.8111.770-1.610
e2_0.11-0.15-0.0700.010c2_13.8115.65-6.5400.990
e3_000-0.120-0.07c3_11.77-6.540.202.290
d1_00017.330-47.3c4_0001.1900.21
d2_-4.55-0.1711.790-10.010c5_-1.610.992.29020
d3_000-98.570-29.83c6_0000.2101.82
483
Crystal Name: 2,5-Dinitrophenol   Chemical Formula: C6H4N2O5   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.030-0.02c1_24.6812.9616.130-7.960
e2_0.01-0.01-0.0100.020c2_12.9615.1912.580-1.490
e3_000-0.0100.03c3_16.1312.5816.790-2.090
d1_0006.50-8.74c4_0008.7602.97
d2_21.25-2.73-15.61028.460c5_-7.96-1.49-2.0905.280
d3_000-4.7409.18c6_0002.9704.51
484
Crystal Name: 1,4-Dihydroxy-4-phenylbutan-2-one   Chemical Formula: C10H12O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200.07c1_53.2612.2515.390-5.050
e2_-0.150.1000.020c2_12.2515.6510.6401.180
e3_000-0.030-0.07c3_15.3910.6419.560-2.040
d1_000-12.74017.22c4_0003.6201.46
d2_-5.7214.58-4.40-8.120c5_-5.051.18-2.0404.910
d3_000-2.360-12.47c6_0001.4605.08
485
Crystal Name: Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1100.22c1_65.213.6821.420-9.250
e2_0.01-0.120.090-0.060c2_13.6828.3715.140-2.330
e3_0000.010-0.06c3_21.4215.1479.380-20.240
d1_000-18.59049.03c4_0008.8301.09
d2_0.47-5.51.540-1.990c5_-9.25-2.33-20.24018.230
d3_0003.210-12.85c6_0001.0904.98
486
Crystal Name: (4-Methylimidazolin-2-yl)phenol   Chemical Formula: C10H12N2O   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.03c1_36.2215.5210.5202.360
e2_-0.120.01-0.010-0.010c2_15.5224.2511.690-0.030
e3_000000.02c3_10.5211.6914.1601.080
d1_000-2.110-4.22c4_0001.790-0.57
d2_-4.923.91-0.3801.30c5_2.36-0.031.0802.770
d3_0002.8103.27c6_000-0.5706.53
487
Crystal Name: Pregnenolone   Chemical Formula: C21H32O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0300.46c1_14.1311.319.870-5.850
e2_-0.08-0.0210-0.270c2_11.347.6637.10-7.290
e3_000-0.530-0.37c3_19.8737.175.070-11.50
d1_000-788.510-2822.86c4_00040.940-11.42
d2_-76.79-20.7523.930-130.140c5_-5.85-7.29-11.504.590
d3_000885.7203220.66c6_000-11.4203.03
488
Crystal Name: Methanol   Chemical Formula: CH4O   H-M Space Group: Cmc21


HD View 3D View Crystal Details
e1_00008.10c1_-37.624.98-15.84000
e2_0000.0400c2_24.98-40.176.81000
e3_1-1.890.78000c3_-15.846.81-25.89000
d1_0000-492.320c4_000-21.1300
d2_-0.030-0.01-1.6700c5_0000-16.450
d3_23.3756.63-29.41000c6_00000-27.24
489
Crystal Name: Aminopyridinium hydrogen maleate   Chemical Formula: C9H10N2O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.040-0.1c1_16.1316.9713.6800.980
e2_-0.05-0.080.060-0.050c2_16.9728.5517.5601.020
e3_000-0.0100.01c3_13.6817.5633.210-0.020
d1_000-12.70-6.86c4_0003.760-0.58
d2_-0.98-4.374.540-20.390c5_0.981.02-0.0202.090
d3_000-1.3300.38c6_000-0.58015.05
490
Crystal Name: hydroxyammonium 6-amino-N-nitro[1,2,4]triazolo[4,3-b][1,2,4,5]tetrazin-3-aminide   Chemical Formula: C3H6N10O3   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.04-0.050.09-0.08-0.060.07c1_24.1923.518.57-2.19-1.55-4.24
e2_0.040.420.18-0.24-0.030.07c2_23.578.1632.02-9.99-7.89-17.79
e3_-0.15-0.06-0.20.020.13-0.07c3_18.5732.0244.24-16.96-8.091.6
d1_4.37-1.76-1.46-4.11-6.713.43c4_-2.19-9.99-16.9615.344.62-4.8
d2_-0.2910.94-9.79-16.313.4713.82c5_-1.55-7.89-8.094.629.951.08
d3_-5.3-0.32-3.35-11.8215.99-11.41c6_-4.24-17.791.6-4.81.0814.3
491
Crystal Name: L-Aspartic acid   Chemical Formula: C4H7NO4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.030-0.05c1_122.315.9914.190-17.770
e2_-0.0500.0500.010c2_15.9930.4715.730-6.140
e3_000-0.1200.15c3_14.1915.7338.580-8.660
d1_0002.720-3.31c4_00011.1200.8
d2_-0.36-0.471.9801.740c5_-17.77-6.14-8.66011.780
d3_000-11.65010.49c6_0000.8015.1
492
Crystal Name: tetrazole   Chemical Formula: CH2N4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.060.20.3-0.17-0.120.18c1_18.6413.3811.55-1.75-1.124.29
e2_0.110.350.4-0.12-0.110.15c2_13.3828.8222.63-0.69-1.538.08
e3_-0.14-0.17-0.670.620.41-0.17c3_11.5522.6387.13-18.21-18.5712.52
d1_-7.33-1.363.94-47.8169.6139.22c4_-1.75-0.69-18.2117.3211.52-2.26
d2_-4.4313.71-2.555.13-20.445.88c5_-1.12-1.53-18.5711.528.81-3.1
d3_0.25-2.080.7747.54-19.64-15.45c6_4.298.0812.52-2.26-3.17.3
493
Crystal Name: (3S,6S)-3-isopropyl-6-methyl-morpholine-2,5-dione   Chemical Formula: C8H13NO3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.04c1_24.7412.046.890-2.120
e2_0.02-0.110.0100.020c2_12.0422.39.0901.320
e3_000-0.0800.01c3_6.899.0920.3301.270
d1_0002.960-4.9c4_0008.0100.78
d2_5.58-9.372.308.460c5_-2.121.321.2704.380
d3_000-10.6902.42c6_0000.7807.65
494
Crystal Name: 3-acetamido-2-nitrobenzyl acetate   Chemical Formula: C11H12N2O5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.17-0.050.08-0.01-0.03-0.08c1_29.413.2311.520.131.852.27
e2_-0.08-0.06-0.020.030-0.02c2_13.2315.0111.171.30.872.77
e3_0.05-0.020.09-0.07-0.03-0.01c3_11.5211.1731.02-1.921.050.26
d1_-7.643.034.21-2.57-2.87-11.16c4_0.131.3-1.924.4-0.39-0.14
d2_-1.08-6.112.599.533.230c5_1.850.871.05-0.393.171.01
d3_3.34-4.622.92-14.59-13.070.74c6_2.272.770.26-0.141.016.01
495
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_22.8214.315.36000
e2_0000.0100c2_14.3132.099.38000
e3_0.080.030.04000c3_5.369.3824.54000
d1_0000-77.070c4_0001.7900
d2_0005.0100c5_0000-0.270
d3_3.87-1.251.18000c6_000006
496
Crystal Name: Hydrazium carboxylate   Chemical Formula: CH4N2O2   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.1800c1_80.4117.2527.32000
e2_0000-0.140c2_17.2533.1726.05000
e3_00000-0.1c3_27.3226.0542.09000
d1_00010.5400c4_00016.8300
d2_0000-8.710c5_000016.410
d3_00000-10.02c6_0000010.12
497
Crystal Name: (+-)-cis-6-Acetylamino-5-hydroxy-1,3-dioxepane   Chemical Formula: C7H13NO4   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.030.040.1300.050c1_20.058.2412.3403.150
e2_000-0.0200.06c2_8.2425.3411.420-4.150
e3_0.10.030.0400.030c3_12.3411.4224.5104.420
d1_-3.681.265.6605.90c4_0009.580-3.66
d2_0001.56010.73c5_3.15-4.154.4207.230
d3_5.161.43-2.304.710c6_000-3.6605.97
498
Crystal Name: L-Aspartic acid   Chemical Formula: C4H7NO4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.130-0.13c1_47.6519.5919.670-8.830
e2_0.050-0.0600.030c2_19.5931.2614.460-5.40
e3_000-0.0300.02c3_19.6714.46105.340-29.520
d1_0008.270-13.45c4_00016.1600.23
d2_1.73-0.71-0.2601.990c5_-8.83-5.4-29.52017.580
d3_000-1.9301.77c6_0000.23010.18
499
Crystal Name: Ammonium oxalate monohydrate (Oxammite)   Chemical Formula: (NH4)2(CO2)2(H2O)   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_0000.0400c1_6.993.450.97000
e2_00000.010c2_3.456.18-0.92000
e3_000000.02c3_0.97-0.929.26000
d1_000-18.4800c4_000-1.9300
d2_0000-7.080c5_0000-1.070
d3_00000-10.86c6_00000-1.43
500
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0800c1_13.4714.8212.23000
e2_00000.080c2_14.8213.4712.23000
e3_00000-0.03c3_12.2312.2370.29000
d1_0009.4800c4_0008.1300
d2_00009.480c5_00008.130
d3_00000-1.69c6_0000018.44