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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
1
Crystal Name: 5-amino-1H-tetrazole   Chemical Formula: CH3N5   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0400c1_82.3314.3326.5000
e2_00000.160c2_14.3324.6114.31000
e3_000000.02c3_26.514.3136.53000
d1_0004.0600c4_00010.1800
d2_00008.380c5_000019.620
d3_000007.83c6_000002.37
2
Crystal Name: 9,10-dihydroacridine   Chemical Formula: C13H11N   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0100.01c1_14.019.759.1402.020
e2_-0.010.020000c2_9.7515.896.860-1.250
e3_0000.020-0.01c3_9.146.8621.8705.520
d1_000-3.1300.55c4_0001.830-1.91
d2_-3.543.96-0.1702.180c5_2.02-1.255.5205.750
d3_00011.6702.52c6_000-1.9106.03
3
Crystal Name: Urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0800c1_14.3314.1412.38000
e2_00000.080c2_14.1414.3312.38000
e3_00000-0.03c3_12.3812.3870.39000
d1_0009.7400c4_0008.3800
d2_00009.740c5_00008.380
d3_00000-1.72c6_0000018.54
4
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_21.7713.095.03000
e2_0000.0200c2_13.0930.268.92000
e3_0.060.020.04000c3_5.038.9223.17000
d1_0000-54.50c4_0001.9400
d2_0007.800c5_0000-0.330
d3_3.07-0.91.24000c6_000005.63
5
Crystal Name: 4-aminobenzoic acid   Chemical Formula: C7H7NO2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.090-0.0100.020c1_25.8615.7612.802.880
e2_000-0.0200.04c2_15.7620.8816.130-4.120
e3_0.05-0.01000.060c3_12.816.1321.5501.630
d1_7.93-6.710.30-30c4_0007.480-3.74
d2_000-1.1803.36c5_2.88-4.121.63010.640
d3_2.270.4-2.2205.430c6_000-3.7409.51
6
Crystal Name: pyrazinic acid   Chemical Formula: C5H4N2O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.040-0.03c1_22.395.489.650-3.130
e2_0.03-0.160.03000c2_5.4850.7917.010-8.50
e3_000-0.0600.03c3_9.6517.0121.410-5.290
d1_000-13.570-27.55c4_00019.730-11.35
d2_0.28-5.174.460-3.250c5_-3.13-8.5-5.2906.860
d3_000-10.70-13.51c6_000-11.3506.82
7
Crystal Name: (S)-2-(2-oxopyrrolidin-1-yl)butanoic acid   Chemical Formula: C8H13NO3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.070-0.01c1_15.5911.0210.410-1.340
e2_-0.230.790.380-0.450c2_11.0218.5512.290-0.280
e3_000-0.10-0.02c3_10.4112.2916.650-0.330
d1_000-6.50-0.75c4_00010.200.46
d2_-102.2288.5518.540-144.370c5_-1.34-0.28-0.3303.860
d3_000-9.910-2.14c6_0000.4607.61
8
Crystal Name: Beta-Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1100.22c1_64.0612.3721.190-9.740
e2_-0.01-0.110.10-0.060c2_12.3728.8916.240-3.50
e3_0000.020-0.06c3_21.1916.2480.130-20.580
d1_000-18.21045.6c4_0008.7601.07
d2_-0.05-5.181.590-2.850c5_-9.74-3.5-20.58017.750
d3_0003.440-12.23c6_0001.0705.29
9
Crystal Name: 2-(1,3-Dioxoisoindolin-2-yl)propanoic acid   Chemical Formula: C11H9NO4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.05c1_25.7813.0612.920-2.210
e2_-0.130.010.0200.010c2_13.0613.6310.520-0.220
e3_000-0.0400c3_12.9210.5219.1301.260
d1_0004.520-9.8c4_0004.8700.45
d2_-12.869.095.220-7.320c5_-2.21-0.221.2603.040
d3_000-7.6500.22c6_0000.4505.4
10
Crystal Name: Diaminomethaniminium 5-azido-4-nitro-1,2,3-triazol-2-ide   Chemical Formula: C3H6N10O2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.010.010.10-0.030c1_21.119.776.110-0.850
e2_000-0.0800.01c2_9.7743.7912.810-0.660
e3_0-0.08-0.04000c3_6.1112.8139.80-6.520
d1_-0.12-0.271.550-5.950c4_0005.0100.45
d2_000-16.0203.04c5_-0.85-0.66-6.5203.590
d3_0.81-1.94-0.620-1.130c6_0000.4504.19
11
Crystal Name: 1-(5,6-dihydro-4H-pyrrolo[1,2-c][1,2,3]triazol-5-yl)ethanol   Chemical Formula: C7H11N3O   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0100.15c1_24.1229.648.270-0.30
e2_0.140.2400-0.010c2_29.6445.318.910-3.420
e3_000000.01c3_8.278.9114.2403.450
d1_0003.3206.25c4_0003.190-0.33
d2_-3.038.52-4.5205.090c5_-0.3-3.423.4505.970
d3_000-0.5700.43c6_000-0.33024.72
12
Crystal Name: 1-cyclopropyl-5H-tetrazole   Chemical Formula: C4H6N4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.050-0.09c1_21.816.349.190-2.950
e2_-0.05-0.180.020-0.020c2_6.3428.9710.5501.90
e3_000-0.0600c3_9.1910.5512.30-0.910
d1_000-8.220-106.81c4_0007.060-1
d2_-5.73-10.4814.830-0.60c5_-2.951.9-0.9105.50
d3_000-10.920-13.93c6_000-100.9
13
Crystal Name: 2-Hydroxy-N-methylcyanoacetamide   Chemical Formula: C4H6N2O2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.14-0.05-0.1200.120c1_27.727.6414.160-2.850
e2_0000.050-0.03c2_7.6421.5911.1100.350
e3_0.140.060.220-0.040c3_14.1611.1131.090-0.010
d1_-2.19-0.67-2.5014.920c4_0008.020-1.38
d2_0004.550-8.13c5_-2.850.35-0.0107.420
d3_1.43-1.477.080-5.410c6_000-1.3803.52
14
Crystal Name: gamma-glycine   Chemical Formula: C2H5NO2   H-M Space Group: P31


HD View 3D View Crystal Details
e1_0.11-0.110-0.1-0.090c1_34.1119.617.941.41-0.820
e2_000-0.090.1-0.11c2_19.634.1117.94-1.410.820
e3_0.020.02-0.8000c3_17.9417.9488.15000
d1_7.8-7.80-8.71-5.151.79c4_1.41-1.41014.6300.82
d2_0.89-0.890-5.158.71-15.61c5_-0.820.820014.631.41
d3_44-10.72000c6_0000.821.417.26
15
Crystal Name: NA   Chemical Formula: C4H7NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0700.01c1_37.0521.2229.6208.730
e2_-0.020.020.10-0.040c2_21.2219.2418.460-0.410
e3_0000.0100.02c3_29.6218.4642.7015.20
d1_000-18.120-4.76c4_0004.420-2.29
d2_-2.31-9.0813.060-14.440c5_8.73-0.4115.2015.420
d3_0003.6904.18c6_000-2.2907.16
16
Crystal Name: 3-Ethynylpyridine   Chemical Formula: C7H5N   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.010.07-0.0200.010c1_21.17.187.9400.630
e2_000-0.0600.04c2_7.1817.3915.2201.470
e3_-0.02-0.05-0.130-0.030c3_7.9415.2228.2503.640
d1_-0.118.76-6.2806.170c4_0008.4401.6
d2_000-13.53034.35c5_0.631.473.6402.890
d3_0.761.72-5.240-3.750c6_0001.601.84
17
Crystal Name: (1S,2R,6R,7aS)-1,2,6-Trihydroxyhexahydro-1H-pyrrolizin-3-one   Chemical Formula: C7H11NO4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.190-0.16c1_22.9513.2617.5102.980
e2_0.02-0.090.1600.020c2_13.2654.6613.170-1.660
e3_000-0.010-0.02c3_17.5113.1734.05010.290
d1_000-7.710-22.36c4_00014.8303.43
d2_-4.35-3.1310.090-6.360c5_2.98-1.6610.29011.550
d3_0000.110-3.15c6_0003.4305.9
18
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_0000.3400c1_23.4211.1211.64000
e2_00000.120c2_11.1226.9324.8000
e3_00000-0.04c3_11.6424.874.73000
d1_00023.3600c4_00014.3800
d2_0000-171.170c5_0000-0.710
d3_00000-4.6c6_000008.52
19
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_000-0.0200c1_14.028.839.7400.270
e2_0.030.030.010-0.010c2_8.8314.5210.3300.890
e3_0000.030-0.01c3_9.7410.3314.350-0.750
d1_000-4.3700.59c4_0004.6800.94
d2_1.82.86-2.50-3.320c5_0.270.89-0.7505.880
d3_0007.240-2.43c6_0000.9405.37
20
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_00000-1.78c6_0000018.11
21
Crystal Name: N-t-butyl-1-oxo-2-phenylindane-2-carboxamide   Chemical Formula: C20H21NO2   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.120.010.03-0.01-0.070.06c1_12.888.847.510.270.770.9
e2_-0.050.03-0.02-0.040.01-0.01c2_8.8424.758.4-1.2-0.15-2.25
e3_-0.06-0.09-0.03-0.040.020c3_7.518.419.6-0.322.440.33
d1_10.63-2.01-0.18-1.55-15.3514.9c4_0.27-1.2-0.325.460.810.19
d2_-5.753.21-0.74-6.053.98-0.27c5_0.77-0.152.440.814.970.17
d3_-1.57-3.960.13-9.675.84-3.08c6_0.9-2.250.330.190.173.52
22
Crystal Name: 4-(Imidazol-1-yl)benzoic acid   Chemical Formula: C10H8N2O2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.040.07-0.1300.030c1_15.8912.4812.060-1.730
e2_000-0.0400.04c2_12.4825.4519.850-5.660
e3_0.05-0.050.080-0.050c3_12.0619.8523.950-8.80
d1_-0.2320.75-25.440-8.080c4_0008.20-2.53
d2_0006.73036.5c5_-1.73-5.66-8.809.40
d3_4.84-13.5111.270-2.070c6_000-2.5301.53
23
Crystal Name: 3-t-Butyl-1,1-diphenylurea   Chemical Formula: C17H20N2O   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.03-0.04-0.02000.03c1_15.27.946.140.14-0.14-2.07
e2_-0.01-0.080-0.0400c2_7.9417.558.39-0.52-1.08-1.96
e3_00.04-0.09-0.050.01-0.02c3_6.148.3918.832.35-0.751.3
d1_-0.13-1.49-0.480.72-0.354.12c4_0.14-0.522.358.71-1.14-0.61
d2_1.35-7.483.52-6.36-2.83-2.72c5_-0.14-1.08-0.75-1.144.740.3
d3_0.25.58-6.79-3.212.210.28c6_-2.07-1.961.3-0.610.36.6
24
Crystal Name: l-lactic acid   Chemical Formula: C3H6O3   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000-0.0700c1_81.75-2.065.81000
e2_0000-0.010c2_-2.0621.269.79000
e3_00000-0.01c3_5.819.7917.43000
d1_000-11.7200c4_0006.1200
d2_0000-2.010c5_00005.690
d3_00000-1.71c6_000005.44
25
Crystal Name: L-Seryl-L-asparagine monohydrate   Chemical Formula: C7H15N3O6   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.33-0.01-0.010.0100.01c1_55.1217.6819.866.5-0.59-2.21
e2_0.040.26-0.05-0.030.030.04c2_17.6846.8622.1211.78-0.15-3.3
e3_-0.03-0.09-0.12-0.130.110.01c3_19.8622.1264.5121.186.443.62
d1_7.57-2.1-2.772.450.342.72c4_6.511.7821.1818.644.180.11
d2_-0.038.97-3.23-5.136.277.34c5_-0.59-0.156.444.189.062.55
d3_0.850.540.03-12.1118.9-3.08c6_-2.21-3.33.620.112.559.6