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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
451
Crystal Name: Cristobalite   Chemical Formula: CO2   H-M Space Group: P41212


HD View 3D View Crystal Details
e1_000-0.1600c1_345.7630.3270.87000
e2_00000.160c2_30.32345.7670.87000
e3_000000c3_70.8770.87225.27000
d1_000-0.8400c4_000192.7800
d2_00000.840c5_0000192.780
d3_000000c6_0000092.93
452
Crystal Name: Hydrogen cyanide/copper(I) cyanide/diazobicyclooctane complex   Chemical Formula: C9H13Cu2N5   H-M Space Group: P63


HD View 3D View Crystal Details
e1_000-0.10.040c1_9.915.455.17000.01
e2_000-0.0600c2_5.457.6116.8700-1.34
e3_-0.050.15-0.01000c3_5.1716.872.92000.55
d1_00025.74-94.90c4_0001.31.360
d2_0000.19-44.90c5_0001.36-0.030
d3_-12.591.4312.3600-2.29c6_0.01-1.340.55002.08
453
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0700c1_13.5614.3312.06000
e2_00000.070c2_14.3313.5612.06000
e3_00000-0.03c3_12.0612.0669.29000
d1_0009.3800c4_0007.7600
d2_00009.380c5_00007.760
d3_00000-1.77c6_0000018.18
454
Crystal Name: Carbon Dioxide   Chemical Formula: CO2   H-M Space Group: I–42d


HD View 3D View Crystal Details
e1_000-0.3800c1_313.1-14.41123.7000
e2_0000-0.380c2_-14.41313.1123.7000
e3_000000.18c3_123.7123.7306.67000
d1_000-2.2700c4_000166.1900
d2_0000-2.270c5_0000166.190
d3_000001.67c6_00000106.15
455
Crystal Name: 5-aminotetrazolium dinitramide   Chemical Formula: CH4N8O4   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0-0.130.280-0.080c1_15.5213.2714.620-3.080
e2_0000.050-0.14c2_13.2718.6911.6500.170
e3_-0.03-0.040.0600.060c3_14.6211.6549.50-13.110
d1_9.96-19.869.1706.650c4_0006.5800.23
d2_0007.790-12.82c5_-3.080.17-13.11010.50
d3_-0.79-5.216.03012.850c6_0000.23011.42
456
Crystal Name: (4-Oxo-2,3,4,5,6,7-hexahydro-1-benzofuran-2-yl)acetonitrile   Chemical Formula: C10H11N1O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.060-0.05c1_16.9810.0410.8501.160
e2_0.01-0.18-0.0900.020c2_10.0416.96800.260
e3_000-0.1100.01c3_10.85815.203.060
d1_00014.030-5.77c4_0003.790-1.33
d2_16.09-15.45-10.1205.850c5_1.160.263.0606.960
d3_000-30.350-5.76c6_000-1.3306.04
457
Crystal Name: 2,4-dihydroxy-7-methyl-7,8-dihydro-5H-dibenzo[c,g]oxecine-5,13(14H)-dione   Chemical Formula: C18H16O5   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.010-0.01000c1_3.351.170.870.01-0.27-0.3
e2_0.010.02000-0.02c2_1.174.930.520.19-0.18-1.35
e3_-0.010-0.01-0.0100c3_0.870.521.720.22-0.220.15
d1_6.79-3.92-17.62133.6947.29-5.84c4_0.010.190.22-0.010.020.01
d2_-8.840.1722.06-132.75-34.73-24.94c5_-0.27-0.18-0.220.02-0.13-0.02
d3_7.8-0.98-23126.8343.113.29c6_-0.3-1.350.150.01-0.020.85
458
Crystal Name: 4,4-Dimethyl-2,5,8,10-tetraoxatricyclodecane   Chemical Formula: C8H12O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.040-0.01c1_27.75810.140-3.180
e2_0.05-0.0600-0.030c2_817.1810.380-2.230
e3_000-0.060-0.07c3_10.1410.3820.740-1.720
d1_000-6.910-6.46c4_0008.710-2.58
d2_2.53-6.131.510-4.680c5_-3.18-2.23-1.7207.530
d3_000-13.450-23.17c6_000-2.5804.35
459
Crystal Name: 2,3-Dideoxy-D-erythro-hex-2-enono-1,5-lactone   Chemical Formula: C6H8O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.070-0.01c1_45.2816.1415.140-3.160
e2_0.180.110.060-0.110c2_16.1420.6610.420-20
e3_0000.060-0.05c3_15.1410.4238.570-4.960
d1_000-22.150-10.8c4_0004.430-2.34
d2_2.922.62-1.660-11.110c5_-3.16-2-4.9609.230
d3_00011.10-5.1c6_000-2.3405.44
460
Crystal Name: 5-amino-1H-1,2,4-triazol-4-ium 1-hydroxy-1H,1H-5,5-bitetrazol-1-olate   Chemical Formula: C4H6N12O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0400.07c1_29.9814.2226.340-15.990
e2_0.041.16-0.0600.110c2_14.2264.3515.180-9.40
e3_0000.020-0.01c3_26.3415.1834.630-20.20
d1_000-3.04013.77c4_0007.430-0.95
d2_5.0320.550.26025.340c5_-15.99-9.4-20.2015.420
d3_0003.250-0.71c6_000-0.9504.56
461
Crystal Name: 2-Methylimidazole   Chemical Formula: C4H6N2   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_0000.0100c1_10.019.152.45000
e2_000000c2_9.1512.312.4000
e3_000000c3_2.452.445.56000
d1_0006.0600c4_0001.7600
d2_0000-3.070c5_00001.050
d3_000000.16c6_000007.89
462
Crystal Name: Ravatite   Chemical Formula: C7   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.2600.09c1_18.0310.910.510-2.910
e2_-0.636.659.3902.490c2_10.9512.237.7303.430
e3_0000.3200.05c3_10.5137.73-530.690-119.830
d1_0006.15-0.02-22.32c4_00079.11010.21
d2_-297.8711.86184.80-919.080c5_-2.913.43-119.830-25.810
d3_0004.370.01-2.42c6_00010.210-1.18
463
Crystal Name: R-(-)-2-methylpiperazine   Chemical Formula: C5H12N2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.010-0.01c1_24.653.292.280-0.440
e2_-0.01-0.01-0.01000c2_3.2917.381.670-0.860
e3_00000-0.01c3_2.281.6718.9300.040
d1_0004.260-0.68c4_0001.400.24
d2_-0.13-0.52-0.350-0.130c5_-0.44-0.860.0403.390
d3_000-3.160-0.5c6_0000.2409.12
464
Crystal Name: 2-(2-Hydroxyethyl)-6-[(2-hydroxyethyl)amino]-5-nitro-1H-benzo[de]isoquinoline-1,3(2H)-dione   Chemical Formula: C16H15N3O6   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.10.080.010.020.030.08c1_22.9615.0117.931.14.874.19
e2_0.060.10.04-0.09-0.070.06c2_15.0127.3919.64-6.08-1.636.1
e3_0.11-0.09-0.010.120.110c3_17.9319.6432.93-5.425.524.33
d1_3.332.19-3.944.241.4412.79c4_1.1-6.08-5.427.991.09-2.04
d2_11-9.930-13.68-18.8214.89c5_4.87-1.635.521.098.231.97
d3_5.14-2.45-1.729.889.050.8c6_4.196.14.33-2.041.975.73
465
Crystal Name: Bis(imidazol-1-yl)methane   Chemical Formula: C7H8N4   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0200c1_19.611.777.69000
e2_00000.080c2_11.7722.638.77000
e3_00000-0.17c3_7.698.7710.41000
d1_000-7.600c4_0003.0200
d2_000036.390c5_00002.20
d3_00000-29.74c6_000005.84
466
Crystal Name: Oxammite   Chemical Formula: C2H10N2O5   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0400c1_61.9326.8621.98000
e2_00000.010c2_26.8663.726.35000
e3_00000-0.05c3_21.9826.3537.25000
d1_000-3.5800c4_00012.1400
d2_00000.910c5_000011.990
d3_00000-3.1c6_0000016.2
467
Crystal Name: p-nitrobenzaldehyde   Chemical Formula: C7H5NO3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.080-0.29c1_10.0613.12.6800.280
e2_-0.18-0.070.100.060c2_13.111.717.450-2.490
e3_000-0.1200.27c3_2.687.4510.3800.740
d1_00.010113.360.02295.32c4_0006.740-2.86
d2_-2.59-15.9721.6904.620c5_0.28-2.490.7400.870
d3_000-102.180-197.3c6_000-2.8600.1
468
Crystal Name: epsilon-glycine-d5   Chemical Formula: C2D5NO2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.23-0.020.0500.30c1_60.7714.8121.980-12.660
e2_0000.010-0.06c2_14.8130.0816.940-1.660
e3_0.020.010.70-0.30c3_21.9816.9475.820-18.610
d1_-0.45-3.547.89025.690c4_0009.770-0.65
d2_0000.890-8.21c5_-12.66-1.66-18.61016.810
d3_-4.5-2.758.140-12.320c6_000-0.6507.73
469
Crystal Name: Guanidinium 2-methyl-5-nitriminotetrazolate   Chemical Formula: C3H9N9O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.1100.01c1_20.7313.6313.1404.350
e2_-0.04-0.020.1300.060c2_13.6339.928.0902.910
e3_0000.0700.03c3_13.1428.0954.92010.630
d1_00011.606.35c4_00010.560-2.07
d2_-8.572.19-3.51035.550c5_4.352.9110.6303.560
d3_0007.9108.57c6_000-2.0705.47
470
Crystal Name: exo-(6S,6aS)-t-butyl 6-isopropyl-2-oxo-3-phenyl-2,4,6,6a-tetrahydro-5H-furo[2,3-c]pyrrole-5-carboxylate   Chemical Formula: C20H25NO4   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.010.01-0.03-0.02-0.02-0.01c1_16.98.898.050.750.922.72
e2_-0.0400.04-0.010-0.02c2_8.8917.048.6-2.16-1.32.62
e3_-0.0100000.01c3_8.058.622.32-0.690.1-0.19
d1_2.69-0.13-2.32-3.97-5.21-2.09c4_0.75-2.16-0.693.741.14-0.26
d2_-3.90.653-0.831.84-2.04c5_0.92-1.30.11.143.850.7
d3_-1.58-0.330.811.3-1.773.61c6_2.722.62-0.19-0.260.74.74
471
Crystal Name: Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P31


HD View 3D View Crystal Details
e1_0.08-0.080-0.08-0.1-0.02c1_37.4921.7719.471.61-0.840
e2_-0.020.020-0.10.08-0.08c2_21.7737.4919.47-1.610.840
e3_0.030.03-0.82000c3_19.4719.4784.9000
d1_5.37-5.370-6.13-5.35-1.38c4_1.61-1.61015.8300.84
d2_-0.690.690-5.356.13-10.75c5_-0.840.840015.831.61
d3_4.244.24-11.54000c6_0000.841.617.86
472
Crystal Name: Pyridine-N-oxide   Chemical Formula: C5H5NO   H-M Space Group: P41212


HD View 3D View Crystal Details
e1_000000c1_21.0713.8116.31000
e2_000000c2_13.8121.0716.31000
e3_000000c3_16.3116.3119.4000
d1_0000.2500c4_0007.5500
d2_0000-0.250c5_00007.550
d3_000000c6_000005.69
473
Crystal Name: But-2-ynoic acid   Chemical Formula: C4H4O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0600.07c1_10.824.834.210-1.150
e2_0.04-0.010.010-0.030c2_4.8324.2410.890-3.390
e3_0000.080-0.06c3_4.2110.8914.370-0.670
d1_00086.760156.81c4_000110-6.48
d2_3.3-2.81.250-7.240c5_-1.15-3.39-0.6704.370
d3_000-50.040-96.65c6_000-6.4804
474
Crystal Name: L-leucine   Chemical Formula: C6H13NO2   H-M Space Group: P1211


HD View 3D View Crystal Details
e1_000000.02c1_31.9716.947.550-1.490
e2_0.08-0.140.0200.040c2_16.9425.636.8201.280
e3_000-0.0200.01c3_7.556.8227.5601.850
d1_000-0.4601.86c4_0003.670-0.14
d2_10.37-13.340.12016.670c5_-1.491.281.8504.530
d3_000-4.7401.56c6_000-0.1408.93
475
Crystal Name: L-histidine   Chemical Formula: C6H9N3O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.020-0.13c1_37.5912.349.100.220
e2_0.050.05-0.050-0.030c2_12.3420.578.6501.450
e3_0000.0100c3_9.18.65100.590-12.40
d1_0003.730-14.39c4_0005.1400.12
d2_0.514.88-3.140-17.620c5_0.221.45-12.404.450
d3_0001.090-0.25c6_0000.1208.94