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SMILES
string
MW
float64
HBD
int64
HBA
int64
PSA
float64
ROTB
int64
AROM
int64
ALERTS
int64
ALOGP
float64
QED
float64
regime
string
dataset
string
COC(=O)[C@H](C1:C:C:C:C:C:1Cl)N1CCC2:S:C:C:C:2C1
321.829
0
3
29.54
3
2
1
3.6739
0.807761
low
data1
OC1(C#CC2:C:C:C(C3:C:C:C:C:C:3):C:C:2)CN2CCC1CC2
303.405
1
2
23.47
1
2
1
3.1618
0.818112
low
data1
COC1:C:C:C(C2:C:O:C3:C:C(OC):C:C(OC):C:3:C:2=O):C:C:1
312.321
0
5
57.9
4
3
0
3.4858
0.737883
low
data1
OC1:N:C:N:C2:S:C:C(C3:C:C:S:C:3):C:1:2
234.305
1
3
46.01
1
3
0
3.1254
0.703281
low
data1
O=C1CCCCCN1
113.16
1
1
29.1
0
0
0
0.6766
0.491365
low
data1
CCCSC1:N:C:C:C:C:1C(=O)N1CCCC1C1:C:C:N:C:C:1
327.453
0
4
46.09
5
2
1
3.956
0.780014
low
data1
NC1:C:C:C(C2:N:C3:C:C:C(O):C:C:3:S:2):C:C:1
242.303
2
3
59.14
1
3
1
3.2511
0.643848
low
data1
CNCC[C@@H](OC1:C:C:C:C:C:1C)C1:C:C:C:C:C:1
255.361
1
2
21.26
6
2
0
3.72462
0.848995
low
data1
COC1:C:N:C(C2:C:C:C:C:N:2):N:C:1N(C)C
230.271
0
5
51.14
3
2
0
1.6132
0.801456
low
data1
CNC1=NC2:N:C:C:C:C:2C(C2:N:C:C:O:2)=NC1C1:C:C:C:S:1
323.381
1
4
75.67
2
3
0
2.9728
0.786447
low
data1
CC(=O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C
314.469
0
2
34.14
1
0
0
4.7235
0.701319
low
data1
N#CC1:C:C:C:C:C:1OC1:C:C:C(C(=O)NCC2:C:C:N:C:C:2):C:C:1
329.359
1
4
75.01
5
3
0
3.67558
0.774659
low
data1
CN(C)C1:C:C:N:C2:S:C(C(=O)NCC3:C:C:C:C:C:3):C(N):C:1:2
326.425
2
4
71.25
4
3
0
2.8745
0.773204
low
data1
O=C1NC2:C:C:C:C:C:2B(O)N1C1:C:C:C:C:C:1
238.055
2
2
52.57
1
2
1
1.4262
0.738029
low
data1
N#CN=C(N)C1:S:C(NC2:C:C:C:C:C:2):N:C:1N
258.31
3
5
113.11
3
2
3
1.65528
0.439882
low
data1
CC(NC1:N:C:N:C2:C:C:C:C:C:1:2)C1:C:C:C:C:C:1
249.317
1
3
37.81
3
3
0
3.8029
0.766777
low
data1
CC(C)C1:C:C:C2:O:C3:N:C(N):C(C(=O)O):C:C:3:C(=O):C:2:C:1
298.298
2
6
106.42
2
3
1
2.745
0.704422
low
data1
COC1:C:C:C:C:C:1CN1:C(C):N:C2:C:C:C:C:C:2:1
252.317
0
2
27.05
3
3
0
3.40162
0.714007
low
data1
NC(CC1:C:[NH]:C2:C:C:C:C:C:1:2)C(=O)O
204.229
3
3
79.11
3
2
0
1.1223
0.700584
low
data1
C1:C:C:C(NC2:C:C(NC3:C:C:C:C:C:3):[NH]:N:2):C:C:1
250.305
3
3
52.74
4
3
0
3.8969
0.657944
low
data1
N#CC1:C(C2:C:C:C:C:C:2):N:C(SCCC2:C:C:C:C:C:2):[NH]:C:1=O
333.416
1
4
69.54
5
3
2
3.64338
0.571488
low
data1
O=C(OC1CN2CCC1CC2)C(O)(C1:C:C:C:C:C:1)C1:C:C:C:C:C:1
337.419
1
4
49.77
4
2
1
2.5599
0.871402
low
data1
COC1:C:C:C:C(C2:C:[NH]:C(C3:C:C:C:C:C:3):N:2):C:1
250.301
1
2
37.91
3
3
0
3.7523
0.768316
low
data1
O=C(COC1:C:C:C:C:C:1)C1:C:C:C:C:C:1
212.248
0
2
26.3
4
2
1
2.9483
0.728187
low
data1
O=C1CCOC2:C:C(COC3:C:C:C:C:C:3):C:C:C:21
254.285
0
3
35.53
3
2
0
3.2308
0.843173
low
data1
ClC1:C:C:C:C2:C:N:[NH]:C:1:2
152.584
1
1
28.68
0
2
0
2.2163
0.616275
low
data1
C[C@H](NC(=O)C1:C:C:C:N:C:1OC1:C:C:C:C:C:1)C1:C:C:C:C:C:1
318.376
1
3
51.22
5
3
0
4.3649
0.759968
low
data1
COC1:C:C(NS(=O)(=O)C2:C:C:C(N):C:C:2):N:C(OC):N:1
310.335
2
7
116.43
5
2
1
0.8768
0.787088
low
data1
COC1:C:C:C(C2:C:O:C3:C:C(O):C:C(O):C:3:C:2=O):C:C:1
284.267
2
5
79.9
2
3
0
2.8798
0.75601
low
data1
CNCCCC12CCC(C3:C:C:C:C:C:31)C1:C:C:C:C:C:12
277.411
1
1
12.03
4
2
1
4.2114
0.825438
low
data1
OC1:C:C(C2:C:C:C:C:C:2):N:C2:C:C:N:N:1:2
211.224
1
3
50.42
1
3
0
2.1019
0.670196
low
data1
COC1:C:C:N:C(CCC2:N:C3:C(C):C:C:N:C:3:[NH]:2):C:1
268.32
1
4
63.69
4
3
0
2.45512
0.789101
low
data1
COC1:C:C:C(CC2:C(N):N:[NH]:C:2N):C:C:1
218.26
3
4
89.95
3
2
0
1.1735
0.721007
low
data1
C1:C:C:C(N2CC3COC4:C:C:C:C:C:4C3=N2):C:C:1
250.301
0
2
24.83
1
2
0
2.9195
0.777051
low
data1
CNC(=C[N+](=O)[O-])NCCSCC1:C:C:C(CN(C)C):O:1
314.411
2
7
83.58
10
1
3
1.459
0.384103
low
data1
FC(F)C1:N:C2:C:C:C:C:C:2:[NH]:1
168.146
1
1
28.68
1
2
0
2.5005
0.695784
low
data1
O=C(OC1:C:C:C:C:C:1O)C1:C:C:C:C2:C:C:C:C:C:1:2
264.28
1
3
46.53
2
3
2
3.7646
0.565883
low
data1
COC1:C:C:C:C:C:1CNC1:C:C(C):C:C:N:1
228.295
1
3
34.15
4
2
0
3.01072
0.873056
low
data1
NC1:N:C(NC2:C:C:C:C(Br):C:2):C2:N:C:[NH]:C:2:N:1
305.139
3
5
92.51
2
3
0
2.4412
0.676019
low
data1
O=C(C1:C:C:C(F):C:C:1)C(O)C1:C:C:C(F):C:C:1
248.228
1
2
37.3
3
2
1
2.8811
0.847872
low
data1
CC(C)C[C@H](N)C1:N:N:C(S(=O)(=O)CC2:C:C:C(F):C:C:2):O:1
327.381
1
6
99.08
6
2
0
2.2285
0.873168
low
data1
N=C(N)NC(=O)C1:N:C(Cl):C(NCC2:C:C:C:C:N:2):N:C:1N
320.744
5
7
155.69
4
2
2
0.34257
0.401438
low
data1
N#CC1:N:C(NC2CC3CCC2C3):C(N):C(N2CCOCC2):N:1
314.393
2
7
100.09
3
1
0
1.36758
0.868632
low
data1
CN1CCN(C2=NC3:C:C(Cl):C:C:C:3NC3:C:C:C:C:C:32)CC1
326.831
1
3
30.87
0
2
0
3.7227
0.800122
low
data1
CNCC[C@H](OC1:C:C:C(C(F)(F)F):C:C:1)C1:C:C:C:C:C:1
309.331
1
2
21.26
6
2
0
4.435
0.851796
low
data1
O=C1:C:C:O:C2:C:C(OCC3:C:C:C:C:C:3):C:C:C:1:2
252.269
0
3
39.44
3
3
0
3.372
0.717036
low
data1
[O-][S+](C1:C:C:C:C:C:1)C1:C:C:C2:N:N:N:N:2:N:1
245.267
0
5
79.03
2
3
1
0.686
0.62038
low
data1
CC(C)NCC(O)COC1:C:C:C(COCCOC(C)C):C:C:1
325.449
2
5
59.95
12
1
1
2.3659
0.577848
low
data1
COC1:C:C:C(C2:C:C(=O):C3:C:C:C:C:C:3:[NH]:2):C:C:1
251.285
1
2
42.09
2
3
0
3.2037
0.759548
low
data1
CN1:S:C(NC(=O)C2:C:C:C:C(Cl):C:2):N:C:1=O
269.713
1
3
63.99
2
2
0
1.7475
0.9033
low
data1
CC(=O)NC1:C:C:C(C(=O)NC2:C:C:C:C:C:2N):C:C:1
269.304
3
3
84.22
3
2
1
2.4795
0.748289
low
data1
O=C1:C:C(N2CCOCC2):O:C2:C:C(O):C:C:C:1:2
247.25
1
5
62.91
1
2
0
1.3352
0.823393
low
data1
OC1:N:C(C2:C:C:C(C(F)(F)F):C:C:2):N:C2:C:1CSCC2
312.316
1
4
46.01
1
2
0
3.6573
0.872748
low
data1
O=C1:C2:C:C:C(O):C:C:2:N:C:N:1C1:C:C:C(O):C:C:1
254.245
2
4
75.35
1
3
0
1.7969
0.693923
low
data1
ClC1:C:C:C:C:C:1C1:C:N:N:[NH]:1
179.61
1
2
41.57
1
2
0
2.1251
0.728836
low
data1
NC(=O)C1:C:C:C(OC2:C:C:C:C3:C:C:C:N:C:2:3):C([N+](=O)[O-]):C:1
309.281
1
5
108.35
4
3
2
3.0342
0.588246
low
data1
NC(=O)NC1:C:C(C2:C:C:C:C(O):C:2):S:C:1C(N)=O
277.305
4
3
118.44
3
2
0
1.7102
0.683334
low
data1
NC1:C:C:C(S(=O)(=O)NC2:N:C:C:S:2):C:C:1
255.324
2
4
85.08
3
2
1
1.5261
0.814335
low
data1
CC1CCC2:C:C(F):C:C3:C(=O):C(C(=O)O):C:N1:C:2:3
261.252
1
3
59.3
1
2
0
2.346
0.856751
low
data1
CC1:C:C:C(NC(=N)N):C:C:1C
163.224
3
2
61.9
1
1
2
1.60881
0.434788
low
data1
O=C(OC1:C:C:C:C:C:1)N1CCOCC1
207.229
0
3
38.77
1
1
0
1.5176
0.7004
low
data1
FC(F)(F)C1:N:N:C2:C:C:C(N3CCCCC3):N:N:1:2
271.246
0
4
46.32
1
2
0
2.1334
0.796829
low
data1
CSC1:N:C:C:C:C:1C(=O)NC1:N:C:C:S:1
251.336
1
4
54.88
3
2
1
2.5123
0.851576
low
data1
CC1:N:C2:C:C:C(Cl):C:N:2:C:1C1:C:C:N:C(N):N:1
259.7
1
4
69.1
1
3
0
2.33532
0.728222
low
data1
CC1CC(OC(=O)C(O)C2:C:C:C:C:C:2)CC(C)(C)C1
276.376
1
3
46.53
3
1
1
3.478
0.859739
low
data1
O=C(NC1:C:C:C(F):C:C:1)C1:C:C:C:N:C:1OC1:C:C:C:C:C:1
308.312
1
3
51.22
4
3
0
4.2653
0.782982
low
data1
CC1:C:C:C(C(=O)C(C)CN2CCCCC2):C:C:1
245.366
0
2
20.31
4
1
1
3.29972
0.758578
low
data1
NC1:N:C(NC2:C:C:C(F):C(Cl):C:2):C2:N:C:[NH]:C:2:N:1
278.678
3
5
92.51
2
3
0
2.4712
0.66952
low
data1
CSC1:C:C:C(N2C(N)=NC(N)=NC2(C)C):C:C:1
263.37
2
4
80
2
1
1
1.594
0.794124
low
data1
CC1:C:C:C(C2:C:C:C:C([S@]3(=O)=NC(=O)[C@H](C)N3):C:2):C:C:1
300.383
1
2
58.53
2
2
0
2.92222
0.926745
low
data1
NC1:N:C(N):N:C(C2:C:C:C:C(C(F)(F)F):C:2):N:1
255.203
2
5
90.71
1
2
0
1.7218
0.809161
low
data1
CN1CCCN(C(C2:C:C:C:C:C:2)C2:C:C:C(Cl):C:C:2)CC1
314.86
0
2
6.48
3
2
0
4.0669
0.842464
low
data1
N=C(NCC1:C:C:C(Cl):C:C:1)SCCCC1:C:[NH]:C:N:1
308.838
3
3
64.56
6
2
3
3.45347
0.434887
low
data1
CC1:C:C:C(C2:C:C:C:C(C3:N:N:[NH]:N:3):C:2):C:C:1
236.278
1
3
54.46
2
3
0
2.84212
0.743957
low
data1
O=C(NCCSCC1:C:C:C:C:C:1)C1:C:C:C:C:C:1
271.385
1
2
29.1
6
2
1
3.3498
0.816346
low
data1
CC1:C:C(NC2:N:C(N[C@@H](C)C3:C:C:C(F):C:N:3):C:N:C:2C):N:[NH]:1
327.367
3
6
91.41
5
3
0
3.26734
0.666038
low
data1
OCC[C@]1(C2:C:C:C(Cl):C(Cl):C:2)CCCNC1
274.191
2
2
32.26
3
1
0
2.997
0.887688
low
data1
O=C(CCC1:C:C:C:C:C:1)C1:C:C:C:C:C:1
210.276
0
1
17.07
4
2
1
3.5021
0.705725
low
data1
C1CCC(C(CC2CCCCN2)C2CCCCC2)CC1
277.496
1
1
12.03
4
0
0
5.2954
0.735407
low
data1
O=C(NC1:N:C2:C(=O):[NH]:C:N:C:2:S:1)C1:C:C:C:C:C:1
272.289
2
4
87.74
2
3
0
1.6319
0.741856
low
data1
CC1:C:C(C):C2:C(:N:1):S:C1:C(N3CCN(C)CC3):N:C:N:C:1:2
313.43
0
5
45.15
1
3
0
2.60814
0.690852
low
data1
O=C(COC1:C:C:C:C:C:1)N1CCOCC1
221.256
0
3
38.77
3
1
0
0.9242
0.761649
low
data1
CC1:N:N:S:C:1C(=O)NC1:C:C:C:C:C:1
219.269
1
3
54.88
2
2
0
2.09882
0.841077
low
data1
COC1:C:C(O):C:C2:O:C:C(C3:C:C:C(O):C:C:3):C(=O):C:1:2
284.267
2
5
79.9
2
3
0
2.8798
0.75601
low
data1
O=C(C1CCCCC1)N1CC(=O)N2CCC3:C:C:C:C:C:3C2C1
312.413
0
2
40.62
1
1
0
2.5349
0.799367
low
data1
O=C1:[NH]:C:N:C2:[NH]:N:C:C:1:2
136.114
2
3
74.43
0
2
0
-0.3538
0.519237
low
data1
NC(=O)C1:S:C(C2:C:C:C:C:C:2):C:C:1N
218.281
2
2
69.11
2
2
0
2.0962
0.809967
low
data1
O=C1CCOC2:N:C(CCC3:C:C:C:C:C:3):C:C:C:21
253.301
0
3
39.19
3
2
0
2.832
0.843971
low
data1
O=C1:[NH]:C2:C:C(Cl):C:C:C:2:O:1
169.567
1
2
46
0
2
0
1.7745
0.653514
low
data1
CC(C)C(=O)NCCNCC(O)COC1:C:C:C(O):C:C:1
296.367
4
5
90.82
9
1
1
0.4937
0.498051
low
data1
COC1:C:C:N:C(CCC2:N:C3:C:C:C:N:C:3:[NH]:2):C:1
254.293
1
4
63.69
4
3
0
2.1467
0.774447
low
data1
CC(C)[C@@H](CO)NS(=O)(=O)C1:C:C:C(Cl):S:1
283.802
2
3
66.4
5
1
0
1.6967
0.864257
low
data1
C=CC1CN2CCC1CC2[C@@H](O)C1:C:C:N:C2:C:C:C(OC):C:C:1:2
324.424
1
4
45.59
4
2
1
3.1732
0.877602
low
data1
N#CC[C@H](C1CCCC1)N1:C:C(C2:N:C:N:C3:[NH]:C:C:C:2:3):C:N:1
306.373
1
4
83.18
4
3
0
3.46638
0.799679
low
data1
O=S(=O)(NC1:N:C:C:S:1)C1:C:C(Cl):C:C:C:1Cl
309.199
1
3
59.06
3
2
0
3.2507
0.946531
low
data1
OC1:C:C:C2:N:C(C3:C:C:C:C:C:3):S:C:2:C:1
227.288
1
2
33.12
1
3
0
3.6689
0.687705
low
data1
NS(=O)(=O)C1:N:C2:C:C:C:C:C:2:S:1
214.271
1
3
73.05
1
2
0
0.9437
0.767498
low
data1
NC(=O)C1:C:C:C:C:C:1OCC1:C:C:C:C:C:1
227.263
1
2
52.32
4
2
0
2.3645
0.871284
low
data1
CC1CC(=O)NC2:C:C:C:C:C:2N1
176.219
2
2
41.13
0
1
0
1.8292
0.6328
low
data1
NC(=O)N1C2:C:C:C:C:C:2CC(=O)C2:C:C:C:C:C:21
252.273
1
2
63.4
0
2
0
2.6422
0.782958
low
data1
End of preview.

ChemFuse Datasets

This repository contains the datasets used for training, evaluation, and downstream tasks in the ChemFuse.

Unlabelled Polymer Dataset

The polymer dataset contains unlabelled polymer entries with three different identifiers: PSMILES, BigSMILES, and polymer names.

Unlabelled MoF Dataset

The MOF dataset contains different modalities---MOFid, pXRD, and crystal structures — in a specific directory, with indices in the same order

Unlabelled Molecules Dataset

The molecule dataset contains molecules and their spectra, organized into train, validation, and test splits within the default subset.

Downstream Property Datasets

Each downstream dataset includes property labels along with the corresponding learned embeddings.

Polymers

Molecules

Metal–Organic Frameworks (MOFs)

QED Case Study

Quantitative Estimate of Druglikeness — with descriptors and QED values

Citation

If you use these datasets in your work, please cite:

@article{Kunchapu2026ChemFuse,
  author  = {Kunchapu, Sreekanth and Mirza, Adrian and Prastalo, Gordan and Jablonka, Kevin Maik},
  title   = {Leveraging the Collective Knowledge of Fragmented Multimodal Datasets by Aligning Representations},
  journal = {ChemRxiv},
  year    = {2026},
  doi     = {10.26434/chemrxiv.15006406/v1},
  url     = {https://doi.org/10.26434/chemrxiv.15006406/v1},
  note    = {Preprint}
}
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