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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
226
Crystal Name: Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P31


HD View 3D View Crystal Details
e1_0.09-0.090-0.080.090.02c1_36.2121.5118.411.531.020
e2_0.02-0.0200.090.08-0.09c2_21.5136.2118.41-1.53-1.020
e3_-0.03-0.030.81000c3_18.4118.4184.95000
d1_6.25-6.250-6.574.951.18c4_1.53-1.53015.210-1.02
d2_0.59-0.5904.956.57-12.5c5_1.02-1.020015.211.53
d3_-4.14-4.1411.38000c6_000-1.021.537.35
227
Crystal Name: But-2-ynoic acid   Chemical Formula: C4H4O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0700.06c1_14.744.885.070-1.250
e2_-0.020.010.010-0.030c2_4.8823.5610.620-3.380
e3_0000.070-0.07c3_5.0710.6214.180-0.940
d1_0009.94029.63c4_00010.850-6.16
d2_-2.38-1.111.790-7.610c5_-1.25-3.38-0.9404.140
d3_000-21.050-48.24c6_000-6.1604.14
228
Crystal Name: Ravatite   Chemical Formula: C14H10   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.2400.09c1_17.9610.6412.920-2.210
e2_-0.625.647.7802.270c2_10.64509.2995.89013.630
e3_0000.1900.01c3_12.9295.89-493.450-113.710
d1_0006.51-0.01-22.8c4_00076.14011.16
d2_-200.328.84120.10-604.840c5_-2.2113.63-113.710-25.40
d3_0001.6606.02c6_00011.160-0.76
229
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_22.7714.155.27000
e2_0000.0100c2_14.1531.879.35000
e3_0.070.020.04000c3_5.279.3524.51000
d1_0000-65.90c4_0001.7300
d2_0006.4500c5_0000-0.280
d3_3.5-1.121.16000c6_000005.93
230
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
231
Crystal Name: Ammonium 5-azidotetrazolate   Chemical Formula: CH4N8   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.020-0.01c1_15.7714.2616.040-6.380
e2_0.04-0.090.040-0.050c2_14.2642.2114.360-3.950
e3_000-0.0200.04c3_16.0414.3640.240-13.770
d1_000-4.640-1.99c4_0004.080-1.59
d2_5.49-4.06-1.330-4.980c5_-6.38-3.95-13.7709.720
d3_000-3.8503.86c6_000-1.5907.81
232
Crystal Name: spirolactide   Chemical Formula: C6H6O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.020-0.03c1_19.2111.6910.0304.520
e2_0.010.020.050-0.020c2_11.6923.8313.0900.70
e3_0000.060-0.01c3_10.0313.0918.502.620
d1_000-3.840-3.72c4_0005.1500.21
d2_0.47-1.083.720-5.120c5_4.520.72.6205.990
d3_00011.660-1.09c6_0000.2107.65
233
Crystal Name: guanidinium and hydroxyguanidinium salts of dinitramide   Chemical Formula: CH6N6O5   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.13-0.090.0300.030c1_27.246.8426.490-2.920
e2_0000.0200.03c2_6.8421.615.710-1.760
e3_0.130.03-0.0600.020c3_26.495.7130.260-3.990
d1_-39.59-0.7636.7306.060c4_000-0.0600.5
d2_000-147.73026.05c5_-2.92-1.76-3.9909.540
d3_45.85-2.26-41.880-1.790c6_0000.503.85
234
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0800c1_14.0214.2612.23000
e2_00000.080c2_14.2614.0212.23000
e3_00000-0.03c3_12.2312.2370.04000
d1_0009.5300c4_0008.0800
d2_00009.530c5_00008.080
d3_00000-1.69c6_0000018.4
235
Crystal Name: Urea   Chemical Formula: CO(NH2)2   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0700c1_14.0113.6212.14000
e2_00000.070c2_13.6214.0112.14000
e3_00000-0.03c3_12.1412.1467.53000
d1_0008.4100c4_0008.1600
d2_00008.410c5_00008.160
d3_00000-1.83c6_0000018.06
236
Crystal Name: 3,7,9-Trioxatricyclo[4.2.1.02,4]nonan-5-ol   Chemical Formula: C6H8O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0600c1_25.056.2612.840-4.260
e2_-0.02-0.04-0.020-0.030c2_6.2628.513.0800.570
e3_0000.140-0.04c3_12.8413.0821.870-1.70
d1_000-9.0201.31c4_0007.1300.13
d2_-1.46-1.180.120-5.860c5_-4.260.57-1.705.580
d3_00020.420-9.36c6_0000.1304.62
237
Crystal Name: cellulose   Chemical Formula: C12H14D10O6   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.15-0.0200.03-0.040c1_169.0211.0311.17-1.73-10.92-5.37
e2_-0.050.01-0.01-0.05-0.030c2_11.0328.4724.03-13.473.7-4.56
e3_-0.030.04-0.01-0.040-0.01c3_11.1724.0324.8-11.732.04-1.85
d1_0.1-4.545.622.36-7.61-6.9c4_-1.73-13.47-11.7316.01-2.312.7
d2_-0.952.7-4.53-5.17-9.11-4.33c5_-10.923.72.04-2.318.05-5.07
d3_-0.2511.09-11.91-2.17-2.260.85c6_-5.37-4.56-1.852.7-5.078.12
238
Crystal Name: 1,2-Dicyanobenzene   Chemical Formula: C8H4N2   H-M Space Group: Pmn21


HD View 3D View Crystal Details
e1_0000-0.010c1_25.098.098.38000
e2_0000.100c2_8.0919.937.54000
e3_0.070.080.22000c3_8.387.5417.9000
d1_0000-6.640c4_0004.7100
d2_00022.200c5_00002.210
d3_-1.77-0.3413.54000c6_000000.15
239
Crystal Name: Pyridine-N-oxide   Chemical Formula: C5H5NO   H-M Space Group: P41212


HD View 3D View Crystal Details
e1_0000.0200c1_18.0111.313.28000
e2_0000-0.020c2_11.318.0113.28000
e3_000000c3_13.2813.2815.75000
d1_0003.0700c4_0005.4900
d2_0000-3.070c5_00005.490
d3_000000c6_000003.94
240
Crystal Name: NA   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0700c1_14.3514.2612.32000
e2_00000.070c2_14.2614.3512.32000
e3_00000-0.03c3_12.3212.3270.01000
d1_0009.0600c4_0008.100
d2_00009.060c5_00008.10
d3_00000-1.69c6_0000018.59
241
Crystal Name: 2-hydroxy-5-Nitrotetrazole   Chemical Formula: CHN5O3   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_0.170.020.0800.040c1_37.55.385.2704.510
e2_000000.02c2_5.3817.4414.500.840
e3_-0.030.020.0200.040c3_5.2714.522.0601.240
d1_3.98-5.156.0903.260c4_00017.7600.21
d2_0000.0706.79c5_4.510.841.2406.240
d3_-2.071.58-0.1108.30c6_0000.2102.3
242
Crystal Name: 6-azidotetrazolo[5,1-a]phthalazine   Chemical Formula: C8H4N8   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.010-0.09c1_26.8713.8214.0904.390
e2_-0.08-0.05-0.0200.020c2_13.8215.7112.90-1.180
e3_000-0.0700.02c3_14.0912.917.3901.70
d1_000-3.160-14.66c4_0005.490-0.67
d2_-6.341.132.1209.470c5_4.39-1.181.704.620
d3_000-12.8501.44c6_000-0.6706.43
243
Crystal Name: N-Phenylpyridine-2-carbamide   Chemical Formula: C12H10N2O   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.090.01-0.02000c1_18.4810.629.060-2.960
e2_000-0.0200.01c2_10.6218.9713.4101.410
e3_0.10.040.0200.010c3_9.0613.4113.9400.520
d1_9.970.41-8.4808.990c4_00010.7800.85
d2_000-1.702.97c5_-2.961.410.5203.840
d3_10.81-2.41-3.74013.090c6_0000.8505.11
244
Crystal Name: Ammonium polyoxomolybdate   Chemical Formula: C21H15NO8   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.070.070-0.010.04-0.08c1_42.1218.3919.96-7.7515.63-20.95
e2_-0.04-0.10.170.010.080.09c2_18.3921.0613.250.391.41-10.25
e3_0.11-0.060.43-0.020.260c3_19.9613.2558.336.7916.85-2.65
d1_-61.7-128.26187.68-353.86-365.01-202.58c4_-7.750.396.796.27-3.684.12
d2_-6.07-18.8522.93-38.51-34.17-16.01c5_15.631.4116.85-3.6813.38-7.92
d3_-63.42-124.9184.83-345.83-330.63-184.85c6_-20.95-10.25-2.654.12-7.9217.9
245
Crystal Name: 3-Methylideneoxolane-2,5-dione   Chemical Formula: C5H4O3   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0200c1_16.699.477.14000
e2_0000-0.110c2_9.4713.438.92000
e3_00000-0.1c3_7.148.9217.7000
d1_0003.7900c4_0006.5300
d2_0000-37.750c5_00002.970
d3_00000-16.94c6_000005.8
246
Crystal Name: L-ornithine Hydrochloride   Chemical Formula: C5H13ClN2O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.020-0.01c1_10.6210.429.790-0.950
e2_-0.310.020.410-0.410c2_10.4216.158.410-2.060
e3_000-0.0400.06c3_9.798.4126.3501.40
d1_000-0.8707.82c4_0002.790-1.81
d2_-143.0625.3573.270-236.820c5_-0.95-2.061.402.510
d3_000-23.40-11.63c6_000-1.810-1.32
247
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0600c1_13.5712.7411.83000
e2_00000.060c2_12.7413.5711.83000
e3_00000-0.03c3_11.8311.8365.5000
d1_0007.9600c4_0008.0900
d2_00007.960c5_00008.090
d3_00000-2.01c6_0000017.31
248
Crystal Name: Cyclohexane-1,2,3,4,5-pentol   Chemical Formula: C6H12O5   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.12c1_48.7621.1114.10-2.210
e2_0.110.21-0.010-0.030c2_21.1134.3217.400.480
e3_000-0.030-0.02c3_14.117.440.310-6.710
d1_0000.1706.95c4_00018.540-0.14
d2_-0.568.96-4.620-4.150c5_-2.210.48-6.71015.710
d3_000-1.760-0.95c6_000-0.14017.01
249
Crystal Name: beta-glycine-d5   Chemical Formula: C2D5NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1100.22c1_66.8813.223.030-9.10
e2_-0.01-0.120.110-0.070c2_13.228.1517.580-3.180
e3_0000.020-0.06c3_23.0317.5880.810-19.910
d1_000-18.32044.36c4_0008.6601.05
d2_0.04-5.962.120-2.330c5_-9.1-3.18-19.91018.640
d3_0003.670-11.22c6_0001.0505.49
250
Crystal Name: (3-Acetoxy-6-(cyclohexyloxy)-5-nitro-3,6-dihydro-2H-pyran-2-yl)methyl acetate   Chemical Formula: C16H23NO8   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.01-0.010.050.01-0.02-0.05c1_16.5511.527.80.780.031.41
e2_-0.09-0.05-0.120.010.01-0.06c2_11.5219.497.441.44-0.363.76
e3_0.07-0.04-0.01-0.08-0.020.02c3_7.87.4420.861.23-21.33
d1_-1.791.610.9512.53-14.67-12.98c4_0.781.441.232.391.78-0.59
d2_-4.33.51-6.3512.08-10.42-12.56c5_0.03-0.36-21.783.83-1.24
d3_8.1-4.872.35-46.4219.214.56c6_1.413.761.33-0.59-1.245.12