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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
151
Crystal Name: o-formylbenzoic pseudoacid, 3-hydroxyphthalide   Chemical Formula: C8H6O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0400.01c1_18.846.399.2200.770
e2_0.01-0.120.0100.020c2_6.3923.1211.770-1.060
e3_000-0.160-0.03c3_9.2211.7735.3604.360
d1_0002.401.6c4_00015.402.54
d2_2.16-7.0220-0.160c5_0.77-1.064.3603.080
d3_000-10.5700.47c6_0002.5403.95
152
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_21.2213.275.29000
e2_0000.0100c2_13.2729.648.78000
e3_0.070.030.04000c3_5.298.7824000
d1_0000-107.340c4_0001.4900
d2_0008.5900c5_0000-0.150
d3_3.62-1.051.09000c6_000005.35
153
Crystal Name: L-histidine   Chemical Formula: C6H9N3O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.13c1_37.0212.128.7900.190
e2_0.040.06-0.040-0.040c2_12.1220.78.5101.40
e3_0000.0100c3_8.798.51100.360-12.50
d1_0003.670-14.49c4_0005.0500.05
d2_0.345.26-3.420-20.610c5_0.191.4-12.504.240
d3_0001.030-0.01c6_0000.0508.97
154
Crystal Name: L-Isoleucine D-leucine   Chemical Formula: C12H26N2O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0-0.01-0.01-0.0100.01c1_29.7212.383.5-0.720.84-1.74
e2_-0.010.010000c2_12.3846.37.1-1.95-0.43-8.49
e3_-0.01-0.01-0.010-0.010c3_3.57.124.15-3.03-0.290.51
d1_-0.080.21-0.73-1.28-0.251.29c4_-0.72-1.95-3.035.810.880.02
d2_-0.270.47-0.20.17-0.371.06c5_0.84-0.43-0.290.883.6-0.08
d3_-0.21-0.28-0.270.22-2.65-0.21c6_-1.74-8.490.510.02-0.087.66
155
Crystal Name: L-allo-isoleucine:D-leucine   Chemical Formula: C12H26N2O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.010-0.0200-0.01c1_29.5713.123.91-0.8-0.082.28
e2_0-0.010.01-0.0100.01c2_13.1244.985.56-2.18-0.158.93
e3_0.010.020.01-0.01-0.010c3_3.915.5620.02-2.46-0.80.11
d1_-0.30.58-0.90.320.8-2.26c4_-0.8-2.18-2.465.760.23-0.11
d2_0.14-0.630.34-2.26-0.511.38c5_-0.08-0.15-0.80.234.530.63
d3_0.150.260.17-0.95-1.910.14c6_2.288.930.11-0.110.638.26
156
Crystal Name: 1H-Tetrazol-5(4H)-one   Chemical Formula: CH2N4O   H-M Space Group: P41212


HD View 3D View Crystal Details
e1_000-0.0300c1_18.9717.0317.77000
e2_00000.030c2_17.0318.9717.77000
e3_000000c3_17.7717.7728.98000
d1_000-2.5300c4_00010.5400
d2_00002.530c5_000010.540
d3_000000c6_0000019.95
157
Crystal Name: 4-formamidobenzaldehyde   Chemical Formula: C8H7NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000c1_11.0716.3715.380-3.140
e2_-0.05-0.08-0.010-0.010c2_16.3728.1719.430-5.970
e3_000-0.0400.02c3_15.3819.4324.220-5.280
d1_000-0.390-0.33c4_0007.890-3.73
d2_174.49-65.6-65.80-32.230c5_-3.14-5.97-5.2806.270
d3_000-5.950-0.95c6_000-3.7306.4
158
Crystal Name: 5-Methyl L-glutamate   Chemical Formula: C6H11NO4   H-M Space Group: C121


HD View 3D View Crystal Details
e1_0000.0200.13c1_49.6914.5413.5906.470
e2_-0.2-0.16-0.030-0.040c2_14.5421.758.020-1.750
e3_000-0.0100.01c3_13.598.0226.47010.190
d1_0006.4013.87c4_0004.970-0.78
d2_-2.08-8.545.680-8.030c5_6.47-1.7510.19012.560
d3_000-1.1101.05c6_000-0.7809.41
159
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P1


HD View 3D View Crystal Details
e1_000000c1_517.623.62.371.81-2.34-2.97
e2_000000c2_3.617.0619.454.05-1.31-1.72
e3_000000c3_2.3719.4514.21.24-0.89-1.08
d1_0-0.010.010.01-0.030.01c4_1.814.051.247.47-1.45-1.69
d2_00.05-0.05-0.040.15-0.11c5_-2.34-1.31-0.89-1.452.762.48
d3_0-0.060.060.09-0.120.2c6_-2.97-1.72-1.08-1.692.484.1
160
Crystal Name: 3-(dimethylamino)isobenzofuran-1(3H)-one   Chemical Formula: C10H11NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.010-0.03c1_42.035.477.0101.270
e2_0.04-0.02-0.0600.050c2_5.4714.569.880-0.480
e3_0000.0100.01c3_7.019.8816.80-0.050
d1_0001.980-14.9c4_0005.030-0.09
d2_1.091.69-5.01012.070c5_1.27-0.48-0.0503.70
d3_0002.602.41c6_000-0.0902.18
161
Crystal Name: N,N-Dioxopyridazines   Chemical Formula: C4H4N2O2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.070.080.20-0.090c1_14.7113.256.990-1.670
e2_000-0.0900.05c2_13.2519.8713.640-0.10
e3_0.040-0.100.020c3_6.9913.6428.670-5.440
d1_-6.9910.15-2.40-32.240c4_0007.290-0.48
d2_000-12.4505.43c5_-1.67-0.1-5.4403.550
d3_6.05-1.42-3.4504.370c6_000-0.4807.79
162
Crystal Name: L-arabinitol   Chemical Formula: C5H12O5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.18-0.010.12-0.070.02-0.02c1_62.0716.5523.47-1.415.034.69
e2_-0.040.210.04-0.02-0.04-0.02c2_16.5539.5912.840.51-4.074.74
e3_0.1-0.040.070.060.08-0.05c3_23.4712.8440.640.594.634.07
d1_2.4-1.742.55-7.13-0.08-2.27c4_-1.410.510.598.822.030.25
d2_-2.486.520.65-2.96-0.65-3c5_5.03-4.074.632.0313.15-2.43
d3_1.64-1.331.086.293.28-3.28c6_4.694.744.070.25-2.4313.98
163
Crystal Name: Cyclohexane-1,2,4,5-tetrol monohydrate   Chemical Formula: C6H14O5   H-M Space Group: C2


HD View 3D View Crystal Details
e1_000-0.0500.07c1_57.796.8613.1700.760
e2_0.10.420.10-0.090c2_6.8646.3220.370-3.080
e3_0000.10-0.06c3_13.1720.3728.920-2.930
d1_000-3.2806.16c4_00011.190-1.67
d2_2.210.61-6.40-14.570c5_0.76-3.08-2.9305.590
d3_0008.560-4.25c6_000-1.67010.93
164
Crystal Name: (S)-3-Methyl-3-phenylpyrrolidine-2,5-dione   Chemical Formula: C11H11NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0300c1_20.911.112.140-4.230
e2_-0.040.040.0200.040c2_11.118.7611.360-2.370
e3_0000.0300.01c3_12.1411.3618.800.020
d1_0005.4201.38c4_0005.60-1.71
d2_-3.814.341.1204.80c5_-4.23-2.370.0207.90
d3_0005.7403.1c6_000-1.7106.65
165
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0800c1_13.4514.7512.17000
e2_00000.080c2_14.7513.4512.17000
e3_00000-0.03c3_12.1712.1769.97000
d1_0009.6100c4_0007.9400
d2_00009.610c5_00007.940
d3_00000-1.73c6_0000018.36
166
Crystal Name: Cyclo(alanine-4-hydroxyproline)   Chemical Formula: C8H12N2O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0400.04c1_28.2617.2316.350-6.410
e2_0.02-0.09-0.0400.030c2_17.2322.89.390-2.240
e3_000-0.020-0.02c3_16.359.3921.870-1.70
d1_0001206.54c4_0006.30-6.11
d2_21.16-12.97-9.72030.220c5_-6.41-2.24-1.703.990
d3_000-7.180-3.98c6_000-6.11017.29
167
Crystal Name: Picrotoxane   Chemical Formula: C15H18O6   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.150.020.010.01-0.08-0.03c1_36.4312.312.81-2.571.181.84
e2_0.07-0.05-0.05-0.070.010.02c2_12.331.499.442.85-1.58-2.19
e3_0.070.03-0.150.010-0.04c3_12.819.4424.762.82-0.67-3.08
d1_-3.870.681.05-3.12-14.23-9.36c4_-2.572.852.826.32-0.41-0.59
d2_2.04-0.95-1.38-9.870.480.92c5_1.18-1.58-0.67-0.416.78-2.17
d3_9.45-1.32-14.5410.2-9.4-21.11c6_1.84-2.19-3.08-0.59-2.175.62
168
Crystal Name: 6-phenyl-3-oxabicyclo[3.1.0]hexan-2-one   Chemical Formula: C11H10O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200.05c1_16.1710.2111.230-1.790
e2_0.020.04-0.0200.020c2_10.2116.5410.2102.180
e3_0000.0600c3_11.2310.2120.380-5.170
d1_000-4.9209.12c4_0007.2601.53
d2_1.143.95-3.730-0.910c5_-1.792.18-5.1706.920
d3_0008.480-2.47c6_0001.5306.28
169
Crystal Name: 4-Hydroxybenzaldehyde oxime monohydrate   Chemical Formula: C7H9NO3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.01c1_40.025.0530.250-0.930
e2_-0.06-0.04-0.3400.140c2_5.05170.055.980-4.210
e3_000-0.0200c3_30.255.98164.350-29.730
d1_0000.100.57c4_00040.930-5.74
d2_-0.29-0.08-1.3703.430c5_-0.93-4.21-29.73027.740
d3_000-0.430-0.15c6_000-5.74013.28
170
Crystal Name: Phellodenol-A   Chemical Formula: C11H10O4   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.01-0.1500-0.010c1_18.3715.718.5708.360
e2_000-0.030-0.07c2_15.742.6220.0407.850
e3_0.01-0.010.0400.010c3_18.5720.0420.81010.810
d1_-17.3-8.4726.090-5.020c4_0008.0104.45
d2_0004.70-14.78c5_8.367.8510.81015.590
d3_-18.96-4.0824.830-4.110c6_0004.4505.85
171
Crystal Name: Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P31


HD View 3D View Crystal Details
e1_0.09-0.090-0.080.090.03c1_38.232319.291.290.730
e2_0.03-0.0300.090.08-0.09c2_2338.2319.29-1.29-0.730
e3_-0.03-0.030.8000c3_19.2919.2986.05000
d1_6.21-6.210-6.515.012.78c4_1.29-1.29015.040-0.73
d2_1.39-1.3905.016.51-12.43c5_0.73-0.730015.041.29
d3_-3.89-3.8911.02000c6_000-0.731.297.61
172
Crystal Name: Glycine beta   Chemical Formula: C2H5NO2   H-M Space Group: P32


HD View 3D View Crystal Details
e1_-0.090.0900.080.090.02c1_37.8721.820.081.52-1.140
e2_0.02-0.0200.09-0.080.09c2_21.837.8720.08-1.521.140
e3_-0.03-0.030.81000c3_20.0820.0891.86000
d1_-5.875.8706.754.810.97c4_1.52-1.52014.9101.14
d2_0.49-0.4904.8-6.7511.75c5_-1.141.140014.911.52
d3_-4.12-4.1210.66000c6_0001.141.528.03
173
Crystal Name: 4-Cyanoimidazolium-5-olate   Chemical Formula: C4H3N3O   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.150c1_72.0331.9714.77000
e2_0000.100c2_31.9748.458.84000
e3_0.30.210.02000c3_14.778.8419.83000
d1_000020.580c4_0007.9200
d2_00013.0100c5_00007.250
d3_3.82.31-2.96000c6_0000016.02
174
Crystal Name: Arbophyllidine   Chemical Formula: C19H20N2   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.02-0.010.010-0.010c1_14.9112.4211.52-0.92-2.550.96
e2_-0.02-0.13-0.02-0.040-0.04c2_12.4231.669.546.42-1.127.39
e3_-0.02-0.05-0.03-0.010-0.02c3_11.529.5417.29-1.66-1.16-0.14
d1_4.57-3.49-0.064.030.392.96c4_-0.926.42-1.667.140.080.84
d2_4.62-5.79-0.7-0.361.930.57c5_-2.55-1.12-1.160.085.55-2.32
d3_1.34-0.51-2.7-1.36-0.56-1.97c6_0.967.39-0.140.84-2.327.08
175
Crystal Name: 2,6-diaminopyridinium nitrate   Chemical Formula: C5H8N4O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.030-0.01c1_21.647.695.5301.910
e2_0.020.21-0.0700.010c2_7.693517.6504.550
e3_000-0.0500.01c3_5.5317.6527.9403.080
d1_0005.830-7.48c4_0004.890-0.13
d2_-0.2312.03-8.70-12.080c5_1.914.553.0801.510
d3_000-9.5704.09c6_000-0.1301.89