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If you want your published or unpublished data uploaded to this database you can contact sarah.guerin@ul.ie and shubham.vishnoi@ul.ie.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
626
Crystal Name: Methyl 4-ethoxy-2,5,6,9,14,14c-hexahydro-1H,4H-indolo[2',3':4,5]azepino[3,2,1-ij]quinoline-14b(8H)-carboxylate ('(+-)-Andransinine',)   Chemical Formula: C23H28N2O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.04c1_23.1110.1810.580-1.930
e2_0.050.040.010-0.020c2_10.1811.7110.740-1.370
e3_0000.020-0.02c3_10.5810.7418.110-2.30
d1_0001.1607.83c4_0004.110-0.39
d2_1.434.99-3.930-3.560c5_-1.93-1.37-2.304.450
d3_0005.190-4.52c6_000-0.3904.53
627
Crystal Name: Ammonium hydrogen (+-)-1-malate monohydrate   Chemical Formula: C4H5O51-,H4N11+,H2O1   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_0.150.080.060-0.080c1_30.1716.3123.840-14.350
e2_000-0.0500.09c2_16.3122.9513.6300.320
e3_0.190.090.250-0.150c3_23.8413.6348.60-20.330
d1_4.462.17-3.190-4.120c4_0009.2300.12
d2_000-5.2108.46c5_-14.350.32-20.33020.180
d3_2.770.721.970-3.660c6_0000.12010.69
628
Crystal Name: 1-hydroxy-11-methyl-5-oxododecahydro-1H-1,9-ethano-5λ5-pyrido[2,1-j]quinolin-14-one ('(+-)-12-eπ-Flabelliformine N-oxide',)   Chemical Formula: C16H25N1O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.01c1_26.2210.881002.020
e2_0.02-0.07-0.040-0.040c2_10.8819.3911.190-0.120
e3_000-0.0500.01c3_1011.1921.250-2.450
d1_0000.0501.14c4_00012.2402.24
d2_4.87-4.42-3.370-13.480c5_2.02-0.12-2.4504.590
d3_000-4.3902.84c6_0002.2406.12
629
Crystal Name: DL-Aspartic acid-β-hydroxamic acid monohydrate   Chemical Formula: C4H8N2O4,H2O1   H-M Space Group: P21nb


HD View 3D View Crystal Details
e1_0.150.05-0.05000c1_57.0729.1321.22000
e2_000000.07c2_29.1349.5416.71000
e3_00000.030c3_21.2216.7129.34000
d1_4.38-0.03-4.71000c4_0008.3500
d2_000002.67c5_0000120
d3_00002.320c6_0000025.26
630
Crystal Name: (+-)-7,7-Dimethyl-6-oxabicyclo(3.2.1)octane-1,5-dicarboxylic acid monohydrate   Chemical Formula: C11H16O5,H2O1   H-M Space Group: Pn


HD View 3D View Crystal Details
e1_0.080.070.020-0.040c1_27.8711.7812.2101.320
e2_000-0.0300.01c2_11.7831.99.7700.060
e3_0.040.04-0.0500.040c3_12.219.7722.950-0.460
d1_2.951.43-1.530-3.540c4_0007.620-3.29
d2_000-3.9700.18c5_1.320.06-0.46011.310
d3_2.271.56-4.0703.40c6_000-3.2908.87
631
Crystal Name: (+-)-Naupliolide ("(2aS*,2a'R*,7aR*,7bS*,8aS*,8bS*,Z)-6,8a-Dimethyl-2a',3,4,7a,7b,8,8a,8b-octahydro-2H-1-oxacyclo-octa(cd)cyclopropa(a)pentalene-2,7(2aH)-dione",)   Chemical Formula: C15H18O3   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.030-0.04c1_23.6712.4513.3602.70
e2_-0.03-0.05-0.010-0.010c2_12.4518.69.470-1.890
e3_000-0.030-0.02c3_13.369.4723.202.080
d1_000-10.790-11.52c4_0004.420-1.4
d2_0.75-4.021.040-3.270c5_2.7-1.892.0807.210
d3_000-8.570-6.34c6_000-1.405.05
632
Crystal Name: (+-)-N-Methyl-S-phenyl-S-(1-(1-hydroxy-2-((trimethylsilyl)oxy)cyclohex-2-enyl)ethyl)sulfoximine ('1-(1-(N-methyl-S-phenylsulfonimidoyl)ethyl)-2-((trimethylsilyl)oxy)cyclohex-2-en-1-ol',)   Chemical Formula: C18H29N1O3S1Si1   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.02c1_16.238.1710.460-1.970
e2_-0.010.070.020-0.010c2_8.1721.69.150-0.460
e3_0000.0300.01c3_10.469.1515.230-1.070
d1_0000.308.89c4_0005.6500.28
d2_-4.073.771.750-3.060c5_-1.97-0.46-1.0704.70
d3_0005.4104.08c6_0000.2802.37
633
Crystal Name: (+-)-cis-6-Acetylamino-5-hydroxy-1,3-dioxepane   Chemical Formula: C7H13N1O4   H-M Space Group: Pn


HD View 3D View Crystal Details
e1_0.030.040.1300.050c1_20.058.2412.3403.150
e2_000-0.0200.06c2_8.2425.3411.420-4.150
e3_0.10.030.0400.030c3_12.3411.4224.5104.420
d1_-3.681.265.6605.90c4_0009.580-3.66
d2_0001.56010.73c5_3.15-4.154.4207.230
d3_5.161.43-2.304.710c6_000-3.6605.97
634
Crystal Name: (+-)-(2S,3S,4S)-4-Hydroxy-3,5-dimethyl-3-n-propyltetrahydropyran-2-one   Chemical Formula: C10H18O3   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_0000-0.020c1_20.728.96.67000
e2_000-0.0400c2_8.923.758.34000
e3_0.02-0.02-0.05000c3_6.678.3416.89000
d1_0000-4.890c4_0002.0800
d2_000-21.2400c5_00004.640
d3_2.34-0.63-3.64000c6_000004.93
635
Crystal Name: (+-)-((2R,3S)-3-(Hydroxymethyl)oxiran-2-yl)(phenyl)methanone   Chemical Formula: C10H10O3   H-M Space Group: Pca21


HD View 3D View Crystal Details
e1_00000.060c1_30.5617.6915.57000
e2_0000.0600c2_17.6921.912.13000
e3_-0.090.040000c3_15.5712.1313.09000
d1_000021.80c4_0002.2400
d2_00024.8900c5_00002.770
d3_-8.777.13.63000c6_000006.25
636
Crystal Name: DL-2-Amino-2-thiazoline-4-carboxylic acid trihydrate   Chemical Formula: C4H6N2O2S1,3(H2O1)   H-M Space Group: P21ab


HD View 3D View Crystal Details
e1_0.08-0.020.06000c1_21.4812.9115.96000
e2_00000-0.02c2_12.9166.5423.31000
e3_0000-0.040c3_15.9623.3131.37000
d1_3.51-1.441.24000c4_0007.100
d2_00000-4.86c5_00007.730
d3_0000-4.70c6_000004.8
637
Crystal Name: (+-)-malic acid ('oxaloacetic acid',)   Chemical Formula: C4H6O5   H-M Space Group: Cm


HD View 3D View Crystal Details
e1_-0.02-0.020.0300.060c1_94.217.7853.03053.920
e2_0000.0200c2_7.7817.092.750-1.660
e3_0.110.03-0.0300.040c3_53.032.7556.33030.370
d1_-3.270.631.5803.660c4_0001.8200.79
d2_00012.720-7.08c5_53.92-1.6630.37052.720
d3_3.730.73-3.470-1.120c6_0000.7902.03
638
Crystal Name: Methyl (+-)-1-ethyl-2-hydroxy-4-(4-methoxybenzoyl)-5-(4-methoxyphenyl)-3-oxo-2,3-dihydro-1H-pyrrole-2-acetate   Chemical Formula: C24H25N1O7   H-M Space Group: P1


HD View 3D View Crystal Details
e1_-0.010-0.03-0.010.02-0.01c1_17.419.698.38-0.711.35-0.29
e2_-0.01-0.07-0.01-0.0200c2_9.6920.69.151.21-0.541.67
e3_0.010.01-0.03-0.01-0.010c3_8.389.1520.550.58-1.691.96
d1_-1.691.97-0.84-5.384.62-5.31c4_-0.711.210.582.03-0.83-0.46
d2_0.04-3.411.63-12.02-2.99-3.9c5_1.35-0.54-1.69-0.833.38-1.2
d3_1.21.62-2.3-10.57-8.47-5.65c6_-0.291.671.96-0.46-1.22.58
639
Crystal Name: (+-)-α-1,2,3-Trimethyl-4-phenyl-4-piperidinol   Chemical Formula: C14H21N1O1   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_0000-0.040c1_16.829.0612.45000
e2_000-0.0100c2_9.0615.118.28000
e3_-0.08-0.030000c3_12.458.2828.04000
d1_0000-7.430c4_0004.300
d2_000-1.4200c5_00005.560
d3_-8.151.13.4000c6_000004.52
640
Crystal Name: (+-)-cis-4-(2-Cyclohexylethyl)-3-(cyclohexylmethyl)oxetan-2-one   Chemical Formula: C18H30O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0400.04c1_14.197.948.500.730
e2_-0.01-0.040.0200.020c2_7.9414.098.660-1.910
e3_000-0.030-0.01c3_8.58.6629.590-0.140
d1_000-7.48010.23c4_0003.490-0.94
d2_0.11-3.31.604.650c5_0.73-1.91-0.1403.820
d3_000-9.320-5.75c6_000-0.9403.25
641
Crystal Name: (+-)-2-naphthyl 2-(6H,12H-5,11-methanoindolo[6,5-c][1,5]benzodiazocin-8-yl)-3-methylbenzoate   Chemical Formula: C35H27N3O2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.010-0.02c1_15.3611.7316.150-0.580
e2_-0.030.04-0.0600.060c2_11.7319.3411.550-0.010
e3_000-0.0200c3_16.1511.5520.420-4.490
d1_000-60-19.37c4_0003.050-0.44
d2_52.983.23-55.910-40.970c5_-0.58-0.01-4.4903.810
d3_000-7.590-6.34c6_000-0.4401.01
642
Crystal Name: bis(DL-Alaninium) hexafluorosilicate dihydrate   Chemical Formula: 2(C3H8N1O21+),F6Si12-,2(H2O1)   H-M Space Group: P21


HD View 3D View Crystal Details
e1_00000-0.01c1_32.1415.4221.290-4.390
e2_0.05-0.05-0.0400.130c2_15.4225.8217.480-2.080
e3_000-0.0100.01c3_21.2917.4834.210-2.790
d1_000-0.150-0.97c4_00013.030-4.05
d2_6.45-3.18-2.49013.130c5_-4.39-2.08-2.79010.870
d3_000-0.300.56c6_000-4.05010.59
643
Crystal Name: (+-)-(1S,2R,5R,6S)-2-t-Butoxycarbonylamino-bicyclo[3.1.0]hexane-6-carboxylic acid   Chemical Formula: C12H19N1O4   H-M Space Group: Pca21


HD View 3D View Crystal Details
e1_00000.030c1_20.467.899.31000
e2_000000c2_7.8914.39.39000
e3_-0.03-0.04-0.07000c3_9.319.3921.39000
d1_00002.620c4_0007.2200
d2_0000.6300c5_000010.080
d3_0.44-0.76-3.11000c6_000006.32
644
Crystal Name: (+-)-(1α,4aα,9aβ)-1,3,4,9a-Tetrahydro-2-methyl-2H-1,4a-propanobenzofuro(2,3-c)pyridin-8-ol   Chemical Formula: C15H19N1O2   H-M Space Group: Pbc21


HD View 3D View Crystal Details
e1_00000.060c1_23.897.8413.01000
e2_000000c2_7.8420.076.23000
e3_-0.01-0.03-0.07000c3_13.016.2328.37000
d1_00005.490c4_0005.3100
d2_0000.1200c5_000010.250
d3_1.76-1.34-3.1000c6_000004.42
645
Crystal Name: (+-)-cis-7-(4-methoxyphenyl)-2,2-dimethyl-4-oxa-7-azabicyclo[3.2.0]heptane-3,6-dione   Chemical Formula: C14H15N1O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.010-0.01c1_18.139.8111.030-0.60
e2_-0.02-0.020.010-0.020c2_9.8121.9512.610-0.190
e3_0000.0500.02c3_11.0312.6115.3901.390
d1_000-1.030-1.44c4_0005.3200.52
d2_-4.17-2.946.750-8.420c5_-0.6-0.191.3903.730
d3_0009.1903.25c6_0000.5203.98
646
Crystal Name: (+-)-1,8-Di(azetidinyl)-4,5-dihydroxy-4,5-diphenyloctane-1,8-dione   Chemical Formula: C26H32N2O4   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000000.01c1_15.969.189.670-0.110
e2_00.0400-0.020c2_9.1822.019.7100.280
e3_000-0.020-0.04c3_9.679.7117.7900.830
d1_0000.9803.14c4_0004.780-0.11
d2_-1.32.40.10-10.860c5_-0.110.280.8301.760
d3_000-4.950-8.76c6_000-0.1104.69
647
Crystal Name: (+-)-(2R*,7S*)-2-Phenyl-7-(trifluoromethyl)cycloheptanone   Chemical Formula: C14H15F3O1   H-M Space Group: Pna21


HD View 3D View Crystal Details
e1_0000-0.010c1_20.9211.4313.32000
e2_0000.0400c2_11.4315.910.07000
e3_00-0.02000c3_13.3210.0717.54000
d1_0000-1.60c4_0003.4600
d2_00011.6600c5_00008.750
d3_0.860.96-2.34000c6_000003.45
648
Crystal Name: DL-2,2'-Diamino-4,4'-dithiodibutyric acid ('DL-Homocystine',)   Chemical Formula: C8H16N2O4S2   H-M Space Group: P21


HD View 3D View Crystal Details
e1_000-0.0100.05c1_52.3514.8216.140-30
e2_-0.020.04-0.02000c2_14.8230.1319.170-2.090
e3_0000.050-0.02c3_16.1419.1753.680-5.70
d1_000-1.4309.76c4_0005.6600.27
d2_-0.672.17-0.900.20c5_-3-2.09-5.707.790
d3_0009.410-3.42c6_0000.2705.31
649
Crystal Name: bis[2-hydroxy-2-(4-hydroxyphenyl)-N-methylethan-1-aminium] 2,3-dihydroxybutanedioate ('bis((+-)-synephrine) L-tarataric acid',)   Chemical Formula: 2(C9H14N1O21+),C4H4O62-   H-M Space Group: P1


HD View 3D View Crystal Details
e1_0.030.030.0200.040.04c1_22.8114.6220.144.230.180.57
e2_-0.08-0.0700-0.040.02c2_14.6230.4317.922.81.03-0
e3_-0.02-0.05-0.05-0.01-0.02-0.02c3_20.1417.9238.3111.65-3.08-0.04
d1_-0.03-0.210.185.8117.867.25c4_4.232.811.657.81-3.211.41
d2_-5.61-1.96.9-14.42-164.65c5_0.181.03-3.08-3.213.86-0.7
d3_1.37-0.78-1.66-1.75-7.12-3.13c6_0.57-0-0.041.41-0.76.24
650
Crystal Name: (1'R*,2'R*,6'S*,7'S*,9'S*)-(+-)-1'-Methoxy-4',7'-dimethyl-5'-oxodispiro(cyclopropane-1,8'-cis,exo-(10)oxa-tricyclo(5.2.1.02,6)dec-3-ene-9',2''-oxirane)   Chemical Formula: C15H18O4   H-M Space Group: Cc


HD View 3D View Crystal Details
e1_0.02-0.03-0.010-0.010c1_29.5610.799.8700.680
e2_0000.0300.02c2_10.7917.1810.2400.190
e3_0.010.01-0.0100.040c3_9.8710.2426.960-1.420
d1_1.83-2.56-0.160-1.790c4_0004.460-0.33
d2_0006.9206.97c5_0.680.19-1.4206.280
d3_0.140.98-0.5505.650c6_000-0.3303.66