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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
176
Crystal Name: Graphite 2H   Chemical Formula: C   H-M Space Group: P63mc


HD View 3D View Crystal Details
e1_000000c1_1143.94152.60.9700-0.32
e2_000000c2_152.61143.681.12000.09
e3_000000c3_0.971.12-14.73000.13
d1_000000c4_000-4.43-5.180
d2_000000c5_000-5.181.540
d3_000.03000c6_-0.320.090.1300495.85
177
Crystal Name: 2-Hydroxyethyl 4-hydroxybenzoate   Chemical Formula: C9H10O4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.050.040.110.010.070.02c1_19.813.7425.05-0.069.58-0.86
e2_0.020.060.020.040.020.02c2_13.7428.5515.31-0.812.82-2.11
e3_0.080.020.20.010.130.04c3_25.0515.3146.23-1.124.11-0.46
d1_0.20.820.74-1.262.575.08c4_-0.06-0.81-1.16.72-0.423.6
d2_0.583.35-2.85.213.811.54c5_9.582.8224.11-0.4219.96-0.54
d3_-0.39-0.633.21-3.82.910.14c6_-0.86-2.11-0.463.6-0.545.11
178
Crystal Name: 1-Acetylpyrrolidine-2-carboxylic acid monohydrate   Chemical Formula: C7H13NO4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.030-0.04c1_23.0512.5211.210-4.810
e2_0.02-0.040.0400.020c2_12.5228.414.1100.770
e3_0000.0200.01c3_11.2114.1120.070-0.220
d1_0003.190-5.28c4_0008.190-0.69
d2_2.39-4.313.603.990c5_-4.810.77-0.2209.950
d3_0003.0602.32c6_000-0.6907.06
179
Crystal Name: 5-Amino-2-methylphenol   Chemical Formula: C7H9NO   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.01-0.02-0.0300.020c1_17.929.2511.980-2.830
e2_000000c2_9.2510.916.6700.130
e3_0.02-0.010.20-0.020c3_11.986.6735.840-10.390
d1_4.13-4.88-0.6502.710c4_0007.4701.8
d2_000-0.250-0.04c5_-2.830.13-10.3908.560
d3_-0.08-6.789.4608.930c6_0001.8010.03
180
Crystal Name: 6-Methyl-4H-pyrido[1,2-a]pyrimidin-4-one   Chemical Formula: C9H8N2O   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.010-0.03c1_18.259.1414.950-5.040
e2_0-0.06-0.0600.010c2_9.1431.3815.760-5.080
e3_0000.050-0.06c3_14.9515.7624.070-6.220
d1_000-12.830-29.78c4_0006.780-3.4
d2_4.58-1.05-4.6300.030c5_-5.04-5.08-6.2206.440
d3_000-17.690-49.8c6_000-3.402.34
181
Crystal Name: L-(+)-Histidine   Chemical Formula: C6H9N3O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.12c1_35.2312.448.9300.130
e2_0.050.05-0.030-0.040c2_12.4421.538.0701.810
e3_0000.010-0.01c3_8.938.0793.280-11.010
d1_0004.550-14.94c4_0004.6800
d2_0.375.1-3.170-20.280c5_0.131.81-11.0104.210
d3_0001.560-0.89c6_000008.17
182
Crystal Name: a-phase of solid methanol   Chemical Formula: CD4O   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000-0.0300c1_17.486.496.85000
e2_0000-0.020c2_6.4924.1410.52000
e3_00000-0.02c3_6.8510.5214.57000
d1_000-3.9600c4_0008.6400
d2_0000-3.630c5_00006.870
d3_00000-2.11c6_000007.26
183
Crystal Name: 4,4-dicyanobiphenyl   Chemical Formula: C14H8N2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0200.03c1_247.398.2600.330
e2_-0.01-0.0500-0.010c2_7.3934.4815.6503.210
e3_000-0.010-0.02c3_8.2615.6519.210-0.060
d1_00067.380-80.72c4_0001.2400.8
d2_-0.29-2.722.2204.790c5_0.333.21-0.0600.130
d3_000-55.99071.89c6_0000.800.31
184
Crystal Name: 4-Methylbenzylammonium 4-Methylbenzylcarbamate   Chemical Formula: C17H22N2O2   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.0800.0200.01-0.03c1_30.4414.3411.99-0.9-0.89-1.31
e2_-0.05-0.0300.020-0.03c2_14.3423.5811.58-1.681.14-0.54
e3_0-0.010000.01c3_11.9911.5819.14-0.420.831.12
d1_-4.90.863.93-0.68-1.31-4.83c4_-0.9-1.68-0.423.342.85-0.16
d2_-2.910.172.429.86-6.12-6.86c5_-0.891.140.832.858.09-3.03
d3_0.38-0.950.350.040.491.61c6_-1.31-0.541.12-0.16-3.038.33
185
Crystal Name: (rac)-2-hydroxy-3-phenylpropionic acid   Chemical Formula: C9H10O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200.02c1_13.857.096.503.450
e2_0.020.14-0.03000c2_7.0943.687.510-1.70
e3_000-0.0300.01c3_6.57.5116.350-2.160
d1_000-3.2109.19c4_0002.90-0.63
d2_3.33.53-5.440-4.150c5_3.45-1.7-2.1605.010
d3_000-9.2100.53c6_000-0.6301.9
186
Crystal Name: Pyridine-N-oxide   Chemical Formula: C5H5NO   H-M Space Group: P41212


HD View 3D View Crystal Details
e1_000000c1_20.4213.4815.55000
e2_000000c2_13.4820.4215.55000
e3_000000c3_15.5515.5518.01000
d1_000-0.600c4_0007.5400
d2_00000.60c5_00007.540
d3_000000c6_000005.57
187
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
188
Crystal Name: 2,4,6-tricyano-1,3,5-triazine   Chemical Formula: C6N6   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0300c1_14.3110.7111.56000
e2_0000-0.010c2_10.7114.149.99000
e3_000000.03c3_11.569.9914.75000
d1_00024.0800c4_0001.0900
d2_0000-1.530c5_00006.620
d3_000005.15c6_000005.93
189
Crystal Name: Lonsdaleite   Chemical Formula: C   H-M Space Group: P63mc


HD View 3D View Crystal Details
e1_000000c1_1265.9125.19-11.1400-0.15
e2_000000c2_125.191265.79-11.12000.05
e3_000000c3_-11.14-11.121354.98000.02
d1_000000c4_000402.09-5.480
d2_000000c5_000-5.48408.420
d3_000000c6_-0.150.050.0200570.44
190
Crystal Name: Boc-betaPro-OH   Chemical Formula: C11H19NO4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.08-0.06-0.010.030.01-0.06c1_20.4914.716.041.35-0.899.1
e2_-0.080.02-0.06-0.06-0.01-0.07c2_14.7116.238.292.1219.59
e3_-0.010.09-0.04-0.05-0.030.02c3_6.048.2915.930.02-2.362.4
d1_-1.18-4.182.29.191.15-1.77c4_1.352.120.024.781.420.88
d2_-26.3459.1-25.13-14.59-35.39-29.1c5_-0.891-2.361.424.54-1.13
d3_-29.5466.29-28.39-14.16-43.9-25.47c6_9.19.592.40.88-1.1312.38
191
Crystal Name: But-2-ynoic acid   Chemical Formula: C4H4O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0800.07c1_18.245.376.170-1.230
e2_-0.03000-0.020c2_5.3724.2812.060-3.890
e3_0000.050-0.06c3_6.1712.0616.930-1.240
d1_00010.18029.37c4_00012.710-7.01
d2_-1.79-0.971.030-4.950c5_-1.23-3.89-1.2405.070
d3_000-15.450-35.72c6_000-7.0104.77
192
Crystal Name: 5-Nitrofuran-2-aldoxime   Chemical Formula: C5H4N2O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.030-0.07c1_20.715.5213.3202.180
e2_-0.26-0.12-0.0700.020c2_15.5218.19110-1.360
e3_000-0.0500.03c3_13.321114.0400.90
d1_000-1.570-15.41c4_0009.6200.85
d2_-41.5621.2816.01026.490c5_2.18-1.360.904.750
d3_000-6.4208.4c6_0000.8504.68
193
Crystal Name: N-(3-Nitrophenyl)succinimide   Chemical Formula: C10H8N2O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.010-0.01c1_16.9911.049.740-1.370
e2_-0.010.040.0500.020c2_11.0412.188.530-0.120
e3_00000-0.02c3_9.748.5324.90-4.180
d1_0002.950-3.31c4_0002.6500.55
d2_-6.417.382.603.050c5_-1.37-0.12-4.1806.680
d3_0001.750-4.81c6_0000.5503.61
194
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_20.3512.584.83000
e2_000000c2_12.5828.788.48000
e3_0.080.030.04000c3_4.838.4822.82000
d1_0000-48.580c4_0001.3400
d2_0000.3100c5_0000-0.470
d3_4.33-1.311.22000c6_000005.3
195
Crystal Name: (S)-2-phenylpropionic acid   Chemical Formula: C9H10O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.020-0.01c1_14.039.828.9700.480
e2_-0.03-0.03-0.030-0.010c2_9.8223.859.5202.710
e3_0000.010-0.01c3_8.979.5217.340-1.970
d1_000-4.010-0.18c4_0005.8202.09
d2_-0.480.25-2.250-3.080c5_0.482.71-1.9705.970
d3_0002.860-2.88c6_0002.0906.97
196
Crystal Name: Urea   Chemical Formula: CO(NH2)2   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0600c1_14.3413.5312.4000
e2_00000.060c2_13.5314.3412.4000
e3_00000-0.04c3_12.412.466.97000
d1_0007.7300c4_0008.400
d2_00007.730c5_00008.40
d3_00000-1.93c6_0000018.14
197
Crystal Name: (S,E)-methyl 5-(5-((E)-(2,2-dimethylhydrazono)methyl)-1-methyl-1H-pyrrol-2-yl)-5-phenylpent-2-enoate   Chemical Formula: C20H25N3O2   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.020.010.01-0.0200.02c1_14.0810.7613.981.66-1.051.03
e2_-0.01-0.06-0.030.01-0.02-0.02c2_10.7615.658.310.25-0.30.97
e3_-0.010-0.03-0.020.010c3_13.988.3116.42.783.323.91
d1_-16.143.9814.68-1.19-7.37-2.18c4_1.660.252.783.663.351.97
d2_3.1-5.11-1.4713-6.2-6.28c5_-1.05-0.33.323.357.312.11
d3_-16.815.1712.110.62-5.16-6.3c6_1.030.973.911.972.114.26
198
Crystal Name: 3-Phenyl-1H-pyrrolo[2,1-c][1,4]oxazin-1-one   Chemical Formula: C13H9NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.09c1_24.7411.612.590-1.80
e2_0.130.03-0.10-0.010c2_11.621.28.960-0.860
e3_0000.0200.04c3_12.598.9630.810-1.210
d1_0000.72015.45c4_0000.680-0.24
d2_8.82-0.27-6.9100.340c5_-1.8-0.86-1.2103.240
d3_00027.3407.25c6_000-0.2406.08
199
Crystal Name: Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1100.21c1_64.9611.6721.320-9.50
e2_0.01-0.110.090-0.050c2_11.6723.8712.820-1.880
e3_0000.020-0.07c3_21.3212.8280.50-21.160
d1_000-17.87044.78c4_0009.0101.24
d2_0.45-5.671.570-1.060c5_-9.5-1.88-21.16017.870
d3_0004.050-13.93c6_0001.2405.24
200
Crystal Name: 6-Hydroxyhexahydrofuro[3,2-b]furan-3-carboxylic acid   Chemical Formula: C7H10O5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.030.070.10.070.03-0.01c1_20.1711.7411.01-0.09-0.811.17
e2_-0.08-0.09-0.13-0.07-0.040c2_11.7442.2110.822.291.02-3.97
e3_0.010.06-0.080.02-0.03-0.01c3_11.0110.8242.4411.547.592.84
d1_1.720.71-1.0810.880.2-2.87c4_-0.092.2911.547.373.250.84
d2_-4.28-0.431.02-10.47-1.542.43c5_-0.811.027.593.256.76-0.56
d3_2.491.44-5.7213.81-5.03-0.67c6_1.17-3.972.840.84-0.565.48