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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
601
Crystal Name: (+-)-syn-(6-Methoxy-2a,3,4,5-tetrahydro-2H-naphtho(1,8-bc)furan-5-yl)ammoniomethane chloride   Chemical Formula: C13H18N1O21+,Cl11-   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_00000.030c1_1612.9910.71000
e2_0000.0300c2_12.9921.6215.63000
e3_0.040.01-0.07000c3_10.7115.6319.82000
d1_00006.20c4_0006.9600
d2_0004.3300c5_00004.820
d3_5.914.05-9.68000c6_000005.71
602
Crystal Name: DL-Homocysteine thiolactone hydrochloride   Chemical Formula: C4H8N1O1S11+,Cl11-   H-M Space Group: Pbc21


HD View 3D View Crystal Details
e1_0000-0.090c1_26.2113.787.03000
e2_000-0.100c2_13.7828.8411.24000
e3_-0.09-0.06-0.16000c3_7.0311.2418.57000
d1_0000-24.180c4_0006.6800
d2_000-15.1900c5_00003.650
d3_-2.262.77-9.58000c6_0000010.58
603
Crystal Name: (2R')-(+-)-1-((1R,3R,4R,5R)-3-Cyano-4,7,7,-trimethyl-6-oxabicyclo(3.2.1)oct-5-yl)aziridin-2'-carboxamide   Chemical Formula: C14H21N3O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0400.03c1_19.784.318.4301.460
e2_-0.020.120.05000c2_4.3113.737.4800.80
e3_0000.0100.02c3_8.437.4815.3500.810
d1_0008.7506.72c4_0004.7200.33
d2_-3.249.480.430-1.40c5_1.460.80.8104.780
d3_0001.0104.43c6_0000.3304.42
604
Crystal Name: (+-)-2,6-[1',11'-(3',9'-diaza-4',8'-dioxo-6'-oxaundeca-1,11-diyl)]-cis-1,3,5,7-tetraoxadecalin   Chemical Formula: C14H22N2O7   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.010-0.01c1_18.2911.619.8201.10
e2_-0.030.03-0.020-0.010c2_11.6113.429.510-0.340
e3_000-0.0300c3_9.829.5129.2500.690
d1_000-2.780-1.77c4_0004.7500.43
d2_-6.999.25-1.4300.890c5_1.1-0.340.6906.50
d3_000-5.701.16c6_0000.4304.95
605
Crystal Name: ammonium 2-acetamido-3-methylpentanoate ('ammonium (2RS,3SR)-2-amino-3-methylpentanoate', 'ammonium DL-alloisoleucinate')   Chemical Formula: C8H14N1O31-,H4N11+   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_0000-0.010c1_27.7214.6711.47000
e2_000000c2_14.6714.329.2000
e3_0.020.04-0.18000c3_11.479.228.32000
d1_0000-1.970c4_0006.0300
d2_000-0.400c5_00006.550
d3_-0.729.81-9.24000c6_000005.09
606
Crystal Name: 2-Trifluoromethyl-4-DL-ribolactone   Chemical Formula: C6H7F3O5   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_0.07-0.02-0.0100.050c1_24.0113.4614.800.080
e2_0000.050-0.01c2_13.4624.8315.230-3.790
e3_0.120.150.05000c3_14.815.2319.580-60
d1_5.72-1.94-2.6402.570c4_0007.50-2.6
d2_0007.0700.95c5_0.08-3.79-609.050
d3_6.17.88-9.040-2.530c6_000-2.607.08
607
Crystal Name: (+-)-2,3-Dihydro-3-oxo-1H-indeneacetic acid ('(+-)-3-Indanone-1-acetic acid',)   Chemical Formula: C11H10O3   H-M Space Group: Pca21


HD View 3D View Crystal Details
e1_00000.010c1_13.5114.758.36000
e2_000-0.0400c2_14.7529.159.19000
e3_-0.01-0.12-0.07000c3_8.369.1912.89000
d1_00004.640c4_0002.4700
d2_000-14.8200c5_00001.660
d3_14.89-8.93-8.98000c6_0000016.81
608
Crystal Name: DL-Tyrosine   Chemical Formula: C9H11N1O3   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_0000-0.080c1_45.8120.3520.47000
e2_000-0.0700c2_20.3521.2717.1000
e3_-0.02-0.03-0.34000c3_20.4717.152.38000
d1_0000-12.820c4_0007.9900
d2_000-8.3500c5_00006.570
d3_1.83.38-8.35000c6_000007.67
609
Crystal Name: DL-Phenylalaninium dihydrogen phosphate   Chemical Formula: C9H12N1O21+,H2O4P11-   H-M Space Group: Pc


HD View 3D View Crystal Details
e1_-0.040.040.0100.010c1_23.913.0412.440-1.920
e2_0000.0100c2_13.0458.1115.8300.10
e3_-0.050.020.0600.080c3_12.4415.8328.410-5.120
d1_-2.510.771.6702.980c4_0004.6100.99
d2_0001.420-0.33c5_-1.920.1-5.1205.590
d3_-4.29-0.87.9019.610c6_0000.9903.96
610
Crystal Name: (+-)-cis-7-((t-Butyldimethylsiloxy)methyl)-1,4-diphenyl-6,7-dihydro-5H-cyclopenta(d)pyridazin-5-ol   Chemical Formula: C26H32N2O2Si1   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.01c1_16.4110.4511.330-2.830
e2_00.080000c2_10.4520.4111.590-0.30
e3_0000.040-0.02c3_11.3311.5919.90-3.70
d1_000-0.3401.55c4_0004.530-0.7
d2_-3.517.71-3.360-5.930c5_-2.83-0.3-3.703.850
d3_0008.690-1.55c6_000-0.705.78
611
Crystal Name: (+-)-trans-(3aS,6R,7S,7aS)-6,7-Dimethyl-3,3a,6,7,7a-pentahydroisobenzofuranone   Chemical Formula: C10H14O2   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_0.0200.030-0.10c1_17.2411.218.20-2.010
e2_000-0.010-0.01c2_11.2113.827.650-0.050
e3_00.04-0.14000c3_8.27.6529.1802.510
d1_-5.842.174.670-30.680c4_0005.160-1.46
d2_000-2.510-3.23c5_-2.01-0.052.5104.090
d3_-0.997.79-6.9804.10c6_000-1.4605.33
612
Crystal Name: (+-)-3-exo,6-exo-dibromo-5-endo-hydroxy-3-endo-nitrobicyclo[2.2.1]heptane-2-exo-carbonitrile   Chemical Formula: C8H8Br2N2O3   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_-0.050.03-0.020-0.060c1_19.9314.159.940-20
e2_000-0.0700.12c2_14.1533.7111.1401.30
e3_0.02-0.02-0.040-0.020c3_9.9411.1419.410-0.460
d1_-6.974.72-0.720-15.880c4_0005.1201.17
d2_000-16.82016.96c5_-21.3-0.4605.250
d3_3.32-0.84-3.350-1.910c6_0001.1708.09
613
Crystal Name: (+-)-3-(Diphenylacetoxy)-1-azabicyclo(2.2.2)octane-3-carboxylic acid hydrochloride   Chemical Formula: C22H24N1O41+,Cl11-   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.03c1_20.7512.812.0901.510
e2_-0.070.020.0300.010c2_12.816.9110.390-0.570
e3_0000.0300.05c3_12.0910.3915.850-1.630
d1_0001.880-8.62c4_0005.8901.11
d2_-14.16.689.46012.660c5_1.51-0.57-1.6303.870
d3_0001.98013.23c6_0001.1103.92
614
Crystal Name: dl-2,3-Diacetoxy-dimethylsuccinate   Chemical Formula: C10H14O8   H-M Space Group: Pca21


HD View 3D View Crystal Details
e1_00000.020c1_22.369.76.89000
e2_000-0.0400c2_9.715.218.78000
e3_0.080.10.02000c3_6.898.7810.9000
d1_00005.910c4_0002.1500
d2_000-16.2900c5_00002.920
d3_1.359.14-6.19000c6_000003.44
615
Crystal Name: (+-)-trans-5-Hydroxy-α,α,4-trimethyl-3-cyclohexene-1-methanol ('rac-trans-Sobrerol',)   Chemical Formula: C10H18O2   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_000000c1_19.0610.5513.69000
e2_0000.0200c2_10.5518.5710.7000
e3_-0.010.020.24000c3_13.6910.749.59000
d1_0000-0.290c4_0002.7200
d2_0005.6800c5_00004.220
d3_-5.090.656.16000c6_000002.26
616
Crystal Name: dl-1,1'-bis((t-Butylmethylamino)carbonyl)-3,3'-dimethoxy-2,2'-biphenyl   Chemical Formula: C26H36N2O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200.03c1_19.48.6410.810-2.90
e2_0.030.050.010-0.010c2_8.6415.4810.010-1.110
e3_0000.0300.01c3_10.8110.0112.590-0.250
d1_000-1.3207.92c4_0005.450-1.29
d2_2.26.1-6.3100.020c5_-2.9-1.11-0.2505.650
d3_0007.0603.95c6_000-1.2903.91
617
Crystal Name: (+-)-Methyl 2-(2-oxo-5-phenyltetrahydrofuran-3-yl)propanoate   Chemical Formula: C14H16O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000c1_1712.0513.660-1.230
e2_0.02-0.03-0.01000c2_12.0515.6510.5301.860
e3_0000.010-0.01c3_13.6610.5323.930-4.790
d1_000-1.4400.45c4_0002.3802.53
d2_5.62-5.91-0.4802.090c5_-1.231.86-4.7907.360
d3_0009.920-5.43c6_0002.5306.6
618
Crystal Name: (2β,3aβ,7aβ)-(+-)-3a,4,5,7a,3',4',5',6'-Octahydro-3-oxospiro(benzofuran-2(3H),2'-(2H)-pyran)   Chemical Formula: C12H16O3   H-M Space Group: Pn


HD View 3D View Crystal Details
e1_-0.0100.040-0.010c1_18.999.779.1500.050
e2_00000-0.01c2_9.7719.159.720-0.770
e3_0.020.01-0.100.020c3_9.159.7224.750-2.610
d1_-1.18-0.282.20-0.120c4_0006.3300.76
d2_0000.070-1.31c5_0.05-0.77-2.6104.710
d3_2.882.3-5.8900.350c6_0000.7606.07
619
Crystal Name: 3,5,7-Triaza-1-azoniatricyclo[3.3.1.13,7]decane 3-carboxy-2-hydroxypropanoate ('Hexamethylenetetramine hydrogen DL-malate',)   Chemical Formula: C6H13N41+,C4H5O51-   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_-0.07-0.07-0.080-0.060c1_27.098.9513.3506.560
e2_0000.060-0.06c2_8.9534.649.760-2.590
e3_-0.030.060.070-0.080c3_13.359.7627.0507.030
d1_-0.46-1.92-1.040-4.350c4_00011.3300.33
d2_0005.560-6.35c5_6.56-2.597.03011.50
d3_-1.37-0.275.850-10.170c6_0000.33010.2
620
Crystal Name: (+-)-(1S,2R,3R,11bR)-1'-methyl-1-nitro-2-phenyl-1,6,7,11b-tetrahydro-2H,2'H-spiro[pyrido[2,1-a]isoquinoline-3,3'-pyrrolidine]-2',4-dione   Chemical Formula: C23H23N3O4   H-M Space Group: Pn


HD View 3D View Crystal Details
e1_0.010.090.1000c1_21.8912.759.610-1.890
e2_0000.020-0.03c2_12.7522.789.7601.560
e3_0.030.040.04000c3_9.619.7621.4802.880
d1_-5.734.935.960-7.350c4_0006.200.75
d2_0004.150-6.95c5_-1.891.562.8805.190
d3_-0.21.331.640-1.410c6_0000.7504.16
621
Crystal Name: (+-)-t-Butyl (S)-1-(1-cyanovinyl)-2-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylate   Chemical Formula: C18H19N1O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0200.02c1_17.419.3311.120-0.920
e2_0.04-0.06-0.0100.040c2_9.3322.138.9801.040
e3_000-0.0300c3_11.128.9817.120-2.090
d1_0001.2708.88c4_0005.0101.38
d2_6.25-5.72-0.19014.120c5_-0.921.04-2.0903.40
d3_000-8.4708.59c6_0001.3801.81
622
Crystal Name: (3RS,4SR)-4-Hydroxy-piperidine-3-carboxylic acid ('(+-)-cis-4-Hydroxynipecotic acid',)   Chemical Formula: C6H11N1O3   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_-0.17-0.03-0.0200.10c1_37.4925.3216.120-3.510
e2_0000.090-0.14c2_25.3274.7319.030-1.870
e3_0.120.26-0.010-0.090c3_16.1219.0334.280-5.860
d1_-5.550.783.55010.920c4_000110-3.25
d2_0005.210-9.63c5_-3.51-1.87-5.8609.870
d3_1.793.88-5.220-10.490c6_000-3.25013.26
623
Crystal Name: (+-)-6-Methyl-6,12-methano-6H,12H,13H-(1)benzopyran(4,3-d)(1,3)benzodioxocin-13-one   Chemical Formula: C19H14O4   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_-0.030.0300-0.030c1_20.8914.7212.8502.910
e2_000-0.0100.05c2_14.7222.9314.9101.940
e3_-0.02-0.01-0.050-0.020c3_12.8514.9117.7601.040
d1_-3.325.13-1.120-8.90c4_0001.940-0.91
d2_0005.1018.93c5_2.911.941.0403.810
d3_0.982.87-5.490-5.620c6_000-0.9103.09
624
Crystal Name: (+-)-4a-Methylhexahydro-2H-indeno(7a,1-b)oxete-2,5(6H)-dione   Chemical Formula: C11H14O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0200c1_17.927.696.620-1.410
e2_0.02-0.020.08000c2_7.6921.6212.150-0.320
e3_0000.0200.02c3_6.6212.1520.70-2.090
d1_000-2.850-0.13c4_0005.9700.03
d2_1.34-5.16.7304.810c5_-1.41-0.32-2.0903.540
d3_0003.1903.43c6_0000.0304.43
625
Crystal Name: (+-)-t-Butyl 3-(1-hydroxy-3-phenylpropyl)oxirane-2-carboxylate   Chemical Formula: C16H22O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_0000.0300.02c1_20.0511.565.270-0.820
e2_0-0.03-0.0200.010c2_11.5617.226.6200.90
e3_000000.03c3_5.276.6224.240-1.370
d1_00010.6302.24c4_0002.7500.58
d2_3.49-5.060.71015.640c5_-0.820.9-1.3701.320
d3_000-2.1106.41c6_0000.5804.93