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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
126
Crystal Name: 1-oxo-2-(propan-2-yl)-2H-indazole   Chemical Formula: C10H12N2O   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0300c1_14.859.3311.550-0.120
e2_-0.050.02-0.0100.040c2_9.3312.712.780-1.010
e3_000-0.050-0.01c3_11.5512.7821.3601.040
d1_000-7.090-2.03c4_0004.540-0.21
d2_-8.2212.66-4.13013.070c5_-0.12-1.011.0404.370
d3_000-10.290-3.78c6_000-0.2102.64
127
Crystal Name: Ethine methanol cocrystal   Chemical Formula: C3H6O   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000-0.0100c1_13.455.154.81000
e2_00000.020c2_5.1513.093.49000
e3_000000.01c3_4.813.498.63000
d1_000-3.8400c4_0002.6400
d2_00004.520c5_00003.490
d3_000005.21c6_000002.82
128
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0200.05c1_13.4112.71100-1.690
e2_-0.010.140.060-0.080c2_12.7125.0115.090-0.860
e3_0000.0800.03c3_1015.0949.9706.30
d1_000206.31c4_0006.6600.31
d2_-24.2710.299.460-52.30c5_-1.69-0.866.303.290
d3_00011.2403.69c6_0000.3107.99
129
Crystal Name: tert-Butyl N-((1S)-2-hydroxy-1-{N-[(1E)-2-hydroxy-4-methoxybenzylidene]hydrazinecarbonyl}ethyl)carbamate   Chemical Formula: C16H23N3O6   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.040.03-0.01-0.020.01-0.03c1_26.7712.2314-0.064.95-1.52
e2_-0.07-0.1-0.010.04-0.010.05c2_12.2316.949.38-0.560.850.01
e3_0.02-0.060.010-0.020.01c3_149.3820.20.34.660.64
d1_-5.764.791.3-5.482.93-15.19c4_-0.06-0.560.34.580.45-0.09
d2_1.19-7.581.778.54-1.8618.46c5_4.950.854.660.458.85-0.52
d3_4.3-7.732.320.53-5.512.73c6_-1.520.010.64-0.09-0.522.77
130
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_000-0.030-0.01c1_9.597.498.7100.460
e2_0.030.0300-0.020c2_7.4913.089.4700.940
e3_0000.0100c3_8.719.4713.3400.010
d1_000-5.380-0.39c4_0005.0900.95
d2_7.64.27-7.890-5.640c5_0.460.940.0104.190
d3_0.01001.7400.7c6_0000.9504.11
131
Crystal Name: 1-H-Tetrazole, 1-(Phenylmethyl)   Chemical Formula: C8H8N4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0800.1c1_13.23128.640-0.560
e2_0.010.140.01000c2_1221.887.090-2.190
e3_0000.040-0.04c3_8.647.0923.4901.590
d1_000-29.0308.56c4_0002.430-1.63
d2_-9.9312.4-0.1906.030c5_-0.56-2.191.5902.860
d3_00012.750-4.17c6_000-1.6305.78
132
Crystal Name: Guanidinium nitrate   Chemical Formula: CH6N4O3   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.05-0.030.040-0.010c1_32.7420.3822.60-13.650
e2_0000.10-0.04c2_20.3821.5116.30-6.990
e3_0.060.09-0.0200.020c3_22.616.321.580-10.70
d1_-9.71-2.7413.750-0.950c4_0005.9401.79
d2_00018.570-6.26c5_-13.65-6.99-10.7013.650
d3_6.069.13-13.2302.190c6_0001.79012.29
133
Crystal Name: (1S,2R,6R,8R)-4,4-Dimethyl-3,5,7,12-tetraoxatricyclo[6.4.0.02,6]dodecan-11-ol   Chemical Formula: C10H16O5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.020.01-0.020.020.02-0.03c1_21.75.829.64-3.49-1.930.85
e2_0-0.01-0.05-0.01-0.010.01c2_5.8220.3711.942.89-3.110.49
e3_0.01-0.010.04-0.04-0.02-0.01c3_9.6411.9421.253.41-1.111.22
d1_-1.271.56-0.04-2.150.33-10.63c4_-3.492.893.419.540.37-2.68
d2_2.291.33-5.053.131.097.81c5_-1.93-3.11-1.110.376.71-1.63
d3_-4.58-2.798.05-12.54-7.67-16.32c6_0.850.491.22-2.68-1.633.59
134
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0500.04c1_19.8311.9710.0302.90
e2_0.020.120.050-0.020c2_11.9719.919.510-0.90
e3_000000c3_10.039.5117.7100.290
d1_000-12.22016.23c4_0006.1601.82
d2_-4.518.131.230-0.680c5_2.9-0.90.2906.470
d3_0000.860-0.72c6_0001.8203.75
135
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.1800c1_21.512.675.28000
e2_0000-0.030c2_12.6736.7824.53000
e3_00000-0.11c3_5.2824.5334.35000
d1_00018.3900c4_0009.6100
d2_0000-6.620c5_00004.740
d3_00000-19.44c6_000005.64
136
Crystal Name: C6 H14 N2   Chemical Formula: (+-)-trans-1,2-Diaminocyclohexane   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0300c1_20.858.4510.57000
e2_00000.020c2_8.4529.472.09000
e3_00000-0.04c3_10.572.0927.33000
d1_000-5.8200c4_0004.8700
d2_00002.760c5_00007.370
d3_00000-3.7c6_0000011.39
137
Crystal Name: Guanidinium nitrate   Chemical Formula: CH6N4O3   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.04-0.020.050-0.020c1_33.8920.6522.040-13.850
e2_0000.110-0.05c2_20.6521.3115.690-6.810
e3_0.040.08-0.0200.020c3_22.0415.6921.280-10.030
d1_-8.59-2.2111.540-2.70c4_0006.5601.55
d2_00018.140-5.97c5_-13.85-6.81-10.03013.670
d3_3.467.82-9.3302.090c6_0001.55013.04
138
Crystal Name: 3-hydroxyphthalide   Chemical Formula: C8H6O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0400c1_20.297.818.4600.990
e2_0.01-0.140.0100.010c2_7.8125.8311.90-0.870
e3_000-0.170-0.03c3_8.4611.931.804.90
d1_0002.420-0.57c4_00015.7402.52
d2_2.19-7.582.790-2.410c5_0.99-0.874.903.620
d3_000-10.420-0.49c6_0002.5204.51
139
Crystal Name: L-histidine   Chemical Formula: C6H9N3O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.13c1_37.1212.39.2700.080
e2_0.050.05-0.030-0.040c2_12.320.288.0901.440
e3_00000-0.01c3_9.278.0998.620-12.540
d1_0004.330-14.42c4_0005.0400.16
d2_0.44.98-3.130-18.490c5_0.081.44-12.5404.460
d3_00010-0.65c6_0000.1608.82
140
Crystal Name: But-2-ynoic acid   Chemical Formula: C4H4O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0600.06c1_17.035.055.570-1.370
e2_-0.03-0.010.010-0.020c2_5.0523.7110.660-3.410
e3_0000.060-0.06c3_5.5710.6615.470-1.190
d1_00012.06031.37c4_00011.80-6.59
d2_-2.31-1.772.430-5.260c5_-1.37-3.41-1.1904.60
d3_000-16.080-37.81c6_000-6.5904.5
141
Crystal Name: N-Isopropylbenzamide   Chemical Formula: C10H13NO   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.030-0.02c1_17.036.118.40-0.190
e2_-0.08-0.01-0.030-0.030c2_6.1110.89.140-0.080
e3_000-0.030-0.03c3_8.49.1413.10-1.170
d1_000-3.450-4.72c4_0007.760-0.26
d2_-4.676.14-5.060-15.80c5_-0.19-0.08-1.1702.390
d3_000-4.50-6.63c6_000-0.2604.17
142
Crystal Name: 1H-Imidazole-4-carbonitrile   Chemical Formula: C4H3N3   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.11-0.070.060-0.110c1_19.297.0310.7500.280
e2_000-0.010-0.12c2_7.0321.045.430-10
e3_-0.030.04-0.7100.020c3_10.755.4360.80-4.370
d1_-5.34-2.581.290-12.980c4_0001.580-0.29
d2_000-10.780-34.24c5_0.28-1-4.3708.150
d3_4.323.6-13.120-4.230c6_000-0.2903.72
143
Crystal Name: NA   Chemical Formula: C20H24O5   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.040-0.02c1_0.721.190.8400.50
e2_-0.09-0.05-0.070-0.030c2_1.191.89-0.590-2.10
e3_000000c3_0.84-0.59-9.4500.810
d1_000-17.230-4.43c4_000-2.5600.99
d2_-69.61-16.9-0.320-29.490c5_0.5-2.10.8101.110
d3_0004.87014.27c6_0000.990-0.09
144
Crystal Name: 1-(2-(3-Benzylureido)-3-phenylpropyl)-3-methylurea   Chemical Formula: C19H24N4O2   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.020-0.0100.02-0.01c1_34.337.618.88-0.27-1.961.04
e2_0.010.010.030.03-0.010.01c2_7.6118.458.112.15-1.691.24
e3_-0.020-0.010.02-0.020c3_8.888.1122.24-2.05-2.870.08
d1_0.810.39-0.92-0.91.82-3.26c4_-0.272.15-2.054.520.98-0.92
d2_-0.14-2.262.8810.44-0.498.94c5_-1.96-1.69-2.870.985.47-1.81
d3_-0.7-0.8606.54-6.86-3.15c6_1.041.240.08-0.92-1.811.9
145
Crystal Name: 5-((5-Nitro-2H-tetrazol-2-yl)methyl)-1H-tetrazole monohydrate   Chemical Formula: C3H5N9O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.030-0.05c1_31.911.269.740-5.020
e2_-0.070.65-0.0200.070c2_11.2659.187.250-1.980
e3_0000.0100.01c3_9.747.2529.890-0.820
d1_0006.70-5.55c4_0003.920-0.65
d2_-4.3412.48-2011.470c5_-5.02-1.98-0.8205.930
d3_0002.4101.03c6_000-0.6507.57
146
Crystal Name: Formaldehyde   Chemical Formula: CH2O   H-M Space Group: P–421c


HD View 3D View Crystal Details
e1_0000.0100c1_11.718.427.08000
e2_00000.010c2_8.4211.717.08000
e3_000000c3_7.087.0825.17000
d1_0001.3700c4_0007.4400
d2_00001.370c5_00007.440
d3_000000.15c6_0000012.83
147
Crystal Name: 3-Hydroxy-3,4,6-trimethyldihydro-2H-pyran-2,5(6H)-dione   Chemical Formula: C8H12O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.010-0.01c1_27.216.157.740-2.420
e2_0-0.10.0300.010c2_6.1512.6811.9902.160
e3_000-0.090-0.01c3_7.7411.9923.9205.830
d1_0002.430-3.89c4_0007.5102.05
d2_1.26-1810.10-1.210c5_-2.422.165.8308.140
d3_000-13.6807.08c6_0002.0502.99
148
Crystal Name: Urea   Chemical Formula: CO(NH2)2   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0600c1_14.3913.4712.44000
e2_00000.060c2_13.4714.3912.44000
e3_00000-0.04c3_12.4412.4468.39000
d1_0007.8600c4_0008.1400
d2_00007.860c5_00008.140
d3_00000-1.98c6_0000017.86
149
Crystal Name: Theoretical Structure*   Chemical Formula: NA*   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.02c1_19.112.0914.2303.580
e2_0.03-0.18-0.0100.020c2_12.0919.349.8902.50
e3_000-0.1300.01c3_14.239.8919.1603.660
d1_0001.690-1.6c4_0009.190-2.06
d2_12.74-16.59-1.9403.110c5_3.582.53.6605.860
d3_000-15.020-2.21c6_000-2.0607.25
150
Crystal Name: 1,3,5-triazine-2,4,6-tricarbonitrile   Chemical Formula: C6N6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0300.05c1_-5.424.24-8.10-2.990
e2_-0.280.08-0.310-0.170c2_4.247.384.880-0.420
e3_000-0.010-0.03c3_-8.14.88-18.040-4.580
d1_-0.030.1-0.052.830.47-166.41c4_0002.0600.23
d2_13.3634.42-30.170199.630c5_-2.99-0.42-4.580-1.290
d3_-0.01-0.010.01-18.29-0.0599.87c6_0000.230-0.31