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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
51
Crystal Name: Pyrimidine   Chemical Formula: C4H4N2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.020c1_21.1312.914.93000
e2_0000.0100c2_12.9129.838.76000
e3_0.070.020.04000c3_4.938.7623.38000
d1_0000-39.60c4_0001.6400
d2_0008.0600c5_0000-0.420
d3_3.43-1.051.34000c6_000005.5
52
Crystal Name: 4-aminobenzoic acid   Chemical Formula: C7H7NO2   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_0.090.01-0.0200.020c1_27.1115.9812.2702.850
e2_000-0.0400.02c2_15.9820.9216.270-4.620
e3_0.050000.070c3_12.2716.2721.0101.530
d1_5.66-1.55-2.880-0.030c4_0006.790-3.93
d2_000-5.770-0.68c5_2.85-4.621.53010.950
d3_-1.388.43-6.48011.640c6_000-3.9308.79
53
Crystal Name: n-Methyl-4-hydroxyproline   Chemical Formula: C6H11NO3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.1c1_20.1711.7211.9100.30
e2_-0.08-0.01000.020c2_11.7221.6814.2403.360
e3_000-0.090-0.08c3_11.9114.243300.340
d1_0006.310-15.49c4_0008.9803.51
d2_-5.491.221.3501.440c5_0.33.360.34012.210
d3_000-7.190-7.67c6_0003.5107.57
54
Crystal Name: Oxammite   Chemical Formula: C2H2N2O5   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_0000.0400c1_2.311.62.35000
e2_00000.010c2_1.65.49-0.19000
e3_000000.02c3_2.35-0.197.84000
d1_000-19.0800c4_000-1.8800
d2_0000-6.390c5_0000-1.180
d3_00000-15.36c6_00000-0.99
55
Crystal Name: 3-Aminoxanthene-9-one   Chemical Formula: C13H9NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0300.02c1_18.1116.2614.690-2.220
e2_0.010.020.090-0.030c2_16.2615.215.670-0.170
e3_000000.08c3_14.6915.6727.720-3.110
d1_000-69.18022.11c4_0001.0802.07
d2_18.97-29.1110.0904.640c5_-2.22-0.17-3.1108.040
d3_000-50.84025.3c6_0002.0707.32
56
Crystal Name: Cyclo(glycyl-L-seryl)   Chemical Formula: C5H8N2O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200.05c1_32.9713.620.9206.20
e2_0.090.05-0.0400.060c2_13.639.79.8604.470
e3_0000.0900.04c3_20.929.8629.1104.620
d1_000-14.24019.55c4_00010.8906.95
d2_5.660.36-6.1904.790c5_6.24.474.6209.870
d3_00011.420-5.44c6_0006.9507.74
57
Crystal Name: N-Aminopyridine-2-carboximidamide   Chemical Formula: C6H8N4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.010-0.11c1_25.3512.8715.2201.360
e2_0.03-0.08-0.11000c2_12.8725.8713.490-1.870
e3_0000.010-0.02c3_15.2213.4931.0900.190
d1_000-14.430-22.19c4_0004.250-2.19
d2_6.04-3.78-4.970-1.280c5_1.36-1.870.1907.430
d3_0000.250-3.3c6_000-2.1906.25
58
Crystal Name: Phenanthrene   Chemical Formula: C14H10   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.01c1_10.4110.88.530-0.070
e2_000000c2_10.812.627.820-0.20
e3_000-0.010-0.01c3_8.537.8221.4901.430
d1_0001.6302.21c4_0001.990-0.29
d2_-5.754.70.6600.460c5_-0.07-0.21.4302.50
d3_000-5.650-2.28c6_000-0.2904.39
59
Crystal Name: Beta-Glycine   Chemical Formula: C2H5NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1100.22c1_66.9113.34210-8.210
e2_0.01-0.110.10-0.060c2_13.3427.3714.880-3.10
e3_0000.020-0.06c3_2114.8878.560-20.330
d1_000-18.6045.8c4_0008.8201.23
d2_0.4-5.191.490-2.480c5_-8.21-3.1-20.33017.450
d3_0003.620-12.64c6_0001.2305.2
60
Crystal Name: L-(+)-lactic acid   Chemical Formula: C3H6O3   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000-0.0200c1_14.1112.279.51000
e2_0000-0.080c2_12.2723.5515.5000
e3_000000.04c3_9.5115.523.74000
d1_000-1.800c4_0008.4200
d2_0000-8.820c5_00008.550
d3_000002.74c6_0000014.5
61
Crystal Name: Dibenzo[c,e]oxepine-5,7-dione   Chemical Formula: C14H8O3   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.0200c1_35.4314.4415.17000
e2_00000.10c2_14.4419.025.54000
e3_000000c3_15.175.5431.21000
d1_000-6.7100c4_0003.4100
d2_000023.130c5_00004.40
d3_000001.33c6_000003.04
62
Crystal Name: (2E)-1-Phenyl-2-[1-(2-phenylprop-2-en-1-yl)pyrrolidin-2-ylidene]ethanone   Chemical Formula: C21H21NO   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.04-0.010.04-0.030.03-0.01c1_12.318.7610.092.283.366.14
e2_0-0.070.030.0100c2_8.7620.0910.65-2.264.472.52
e3_0.010.020.020-0.01-0.01c3_10.0910.6512.560.430.983.42
d1_1.85-10.2210.43-10.9111.49-2.11c4_2.28-2.260.435.510.33.12
d2_-3.39-10.74151.628.23-6.86c5_3.364.470.980.35.120.42
d3_-7.39-0.336.920.881.743.47c6_6.142.523.423.120.421.26
63
Crystal Name: But-2-ynoic acid   Chemical Formula: C4H4O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0500.07c1_17.415.916.060-1.320
e2_-0.03-0.0200-0.020c2_5.9124.4111.050-3.330
e3_0000.080-0.04c3_6.0611.0515.260-0.850
d1_000-83.980-126.66c4_00010.830-6.75
d2_-2.01-1.681.690-4.880c5_-1.32-3.33-0.8504.510
d3_000-9.720-28.11c6_000-6.7503.89
64
Crystal Name: C4 H4 O2   Chemical Formula: But-2-ynoicacid   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.030-0.06c1_16.77.612.470-0.490
e2_0.020.020000c2_7.6124.2612.790-3.330
e3_0000.0200.02c3_2.4712.794.880-0.770
d1_000-1939.810-3330.94c4_00010.430-6.08
d2_1.65-1.914.040-0.810c5_-0.49-3.33-0.7703.770
d3_0001340.3202295.12c6_000-6.0803.56
65
Crystal Name: 4-hydroxybenzamide   Chemical Formula: C7H7NO2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.04c1_12.2612.9910.730-0.090
e2_0.01-0.150.1300.020c2_12.9935.1214.3600.80
e3_000-0.10-0.04c3_10.7314.3670.3509.240
d1_000-1.2108.93c4_0008.0701.03
d2_6.27-7.732.780-1.830c5_-0.090.89.2401.750
d3_000-11.980-6.71c6_0001.0304.34
66
Crystal Name: 1,3-dimethylurea   Chemical Formula: C3H8N2O   H-M Space Group: P21212


HD View 3D View Crystal Details
e1_000-0.1200c1_6.996.993.82000
e2_000000c2_6.999.854000
e3_000000c3_3.82461.61000
d1_000-158.100c4_0000.7900
d2_00000.50c5_00002.80
d3_000000.35c6_000008.65
67
Crystal Name: Perdeutero-1,3,5,7-tetraazatricyclo[3.3.1.13,7]decane   Chemical Formula: C6D12N4   H-M Space Group: I–43m


HD View 3D View Crystal Details
e1_0000.0700c1_26.696.146.14000
e2_00000.070c2_6.1426.696.14000
e3_000000.07c3_6.146.1426.69000
d1_00012.8100c4_0005.5700
d2_000012.810c5_00005.570
d3_0000012.81c6_000005.57
68
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0800c1_13.2912.8211.79000
e2_00000.080c2_12.8213.2911.79000
e3_00000-0.03c3_11.7911.7964.81000
d1_00010.5600c4_0007.8800
d2_000010.560c5_00007.880
d3_00000-1.9c6_0000017.33
69
Crystal Name: 3-Cyano-4-(3-cyano-1,2,4-oxadiazol-5-yl)-1,2,5-oxadiazole-2-oxide   Chemical Formula: C6N6O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.010-0.03c1_12.2510.767.250-2.170
e2_-0.020-0.0200.010c2_10.7611.288.230-1.790
e3_000-0.020-0.01c3_7.258.2313.8600.460
d1_000-5.980-10.46c4_0004.730-2.22
d2_-8.512.65-4.9808.40c5_-2.17-1.790.4601.720
d3_000-6.660-6.93c6_000-2.2204.25
70
Crystal Name: (+)-(Z)-fenchone oxime], (+)-(Z)-1,3,3-trimethyl-anti-7-chlorobicyclo[2.2.1]heptan-2-one oxime   Chemical Formula: C10H17NO   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0300.01c1_-7.92-7.55-4.760-3.20
e2_-0.01-0.050.0600.080c2_-7.55-7.7-4.120-3.990
e3_0000.010-0.05c3_-4.76-4.12-3.270-2.150
d1_1.18-0.35-0.7946.73-0.43-49.98c4_0000.3700.95
d2_164.87-43.6-190.680-17.520c5_-3.2-3.99-2.150-1.270
d3_0.22-0.04-0.13-70.96-0.1134.71c6_0000.9500.64
71
Crystal Name: 2-(1,2-Diacetylhydrazino)acetamide   Chemical Formula: C6H11N3O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.08c1_31.6512.3516.770-4.980
e2_-0.04-0.260.09000c2_12.3528.811.9700.460
e3_000-0.0100.02c3_16.7711.9734.480-4.710
d1_0005.680-17.91c4_0003.1500.74
d2_0.64-12.67.505.370c5_-4.980.46-4.7107.380
d3_000-3.9305.02c6_0000.7404.51
72
Crystal Name: urea   Chemical Formula: CH4N2O   H-M Space Group: P–421m


HD View 3D View Crystal Details
e1_0000.0700c1_13.5113.9712.06000
e2_00000.070c2_13.9713.5112.06000
e3_00000-0.03c3_12.0612.0667.75000
d1_0009.1100c4_0008.0700
d2_00009.110c5_00008.070
d3_00000-1.88c6_0000017.98
73
Crystal Name: (indazolo[2,3-a]quinolin-11(6aH)-yl)(phenyl)methanone   Chemical Formula: C22H16N2O   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.01-0.040.03-0.02-0.01-0.03c1_16.3811.8610.84-1.77-0.070.08
e2_000.02-0.03-0.01-0.01c2_11.8619.029.96-0.861.95-1.55
e3_0.02-0.02-0.12-0.030-0.01c3_10.849.9622.672.281.363.4
d1_1.44-6.675.53-2.8-0.84-10.59c4_-1.77-0.862.285.691.21.69
d2_-3.59-0.023.74-7.77-0.72-2.21c5_-0.071.951.361.25.84-0.58
d3_8.7-1.5-9.520.042.994c6_0.08-1.553.41.69-0.585.29
74
Crystal Name: RR-tartaric acid   Chemical Formula: C4H6O6   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.1900.11c1_47.8513.0627.840-9.470
e2_0.110.090.170-0.060c2_13.0622.9912.350-4.550
e3_0000.150-0.1c3_27.8412.35101.870-26.940
d1_000-14.0308.01c4_00012.60-2.04
d2_0.942.830.780-1.040c5_-9.47-4.55-26.94019.120
d3_00010.590-8.29c6_000-2.0409.73
75
Crystal Name: 2-methyl-1H-imidazole   Chemical Formula: C4H6N2   H-M Space Group: P212121


HD View 3D View Crystal Details
e1_000000c1_9.519.272.63000
e2_0000-0.010c2_9.2712.531.82000
e3_00000-0.02c3_2.631.8241.93000
d1_0000.6800c4_0002.3400
d2_0000-3.850c5_00001.440
d3_00000-2.19c6_000008.29