TEST Model Calculation Details: Vapor Pressure

Structural image of Acrylonitrile
Chemical Identifiers
Preferred name: Acrylonitrile
DTXSID: DTXSID5020029
DTXCID: DTXCID0029
CASRN: 107-13-1
Molecular weight: 53.064
Model Results
Model name: TEST_VP
Model source: TEST5.1.3
Property name: Vapor Pressure
Property description: The pressure exerted by a vapor in thermodynamic equilibrium with the liquid phase in a closed system at a given temperature
Experimental value: Experimental value from TEST5.1.3
 109 mmHg (EPI Suite v 4.00, set=Training, CASRN=107-13-1)
Predicted value: Predicted value from the model
76.7 mmHg
Combined applicability domain:  Combined applicability domain from multiple AD measures
Compound is inside TEST applicability domains
Consensus predictions
Predictions used in consensus prediction
Method Predicted value log10(mmHg)
Hierarchical clustering 2.09
Group contribution N/A
Nearest neighbor 1.68
Consensus 1.88
Model Performance
Vapor Pressure Model Results Histogram of Vapor Pressure Data
Consensus model statistics
Training (80%) Test (20%)
R2 RMSE MAE Coverage R2 RMSE MAE Coverage
0.97 0.61 0.40 0.98 0.95 0.82 0.50 0.97

Nearest Neighbors from Test Set
Prediction results for nearest neighbors from the test set
Results for entire set vs
results for similar chemicals
Chemicals MAE*
Entire set 0.50
Similarity coefficient ≥ 0.5 0.34
*Mean absolute error in log10(mmHg)
Color legend
Color Range*
SC ≥ 0.9
0.8 ≤ SC < 0.9
0.7 ≤ SC < 0.8
0.6 ≤ SC < 0.7
0.6 < SC
*SC = similarity coefficient
Neighbor values in log10(mmHg)
Test chemical
Measured: 2.04
Predicted: 1.88
Structural image of Acrylonitrile
Acrylonitrile
Similarity: 0.97
Measured: 1.85
Predicted: 1.86
Structural image of Methacrylonitrile
Methacrylonitrile
Similarity: 0.93
Measured: 1.51
Predicted: 1.66
Structural image of 2-Butenenitrile
2-Butenenitrile
Similarity: 0.69
Measured: 1.27
Predicted: 1.30
Structural image of Allyl cyanide
Allyl cyanide
Similarity: 0.66
Measured: 2.44
Predicted: 2.33
Structural image of Acrolein
Acrolein
Similarity: 0.65
Measured: -0.924
Predicted: -0.0467
Structural image of Lactonitrile
Lactonitrile
Similarity: 0.64
Measured: 3.47
Predicted: 2.95
Structural image of Vinyl chloride
Vinyl chloride
Similarity: 0.63
Measured: 4.30
Predicted: 3.67
Structural image of Vinyl fluoride
Vinyl fluoride
Similarity: 0.62
Measured: 0.856
Predicted: 0.693
Structural image of 2-Chloroethanol
2-Chloroethanol
Similarity: 0.62
Measured: 3.84
Predicted: 3.22
Structural image of Fluoroethane
Fluoroethane
Similarity: 0.60
Measured: 1.08
Predicted: 1.35
Structural image of 1-Chloropropan-2-one
1-Chloropropan-2-one
Nearest Neighbors from Training Set
Prediction results for nearest neighbors from the training set
Results for entire set vs
results for similar chemicals
Chemicals MAE*
Entire set 0.40
Similarity coefficient ≥ 0.5 0.46
*Mean absolute error in log10(mmHg)
Color legend
Color Range*
SC ≥ 0.9
0.8 ≤ SC < 0.9
0.7 ≤ SC < 0.8
0.6 ≤ SC < 0.7
0.6 < SC
*SC = similarity coefficient
Neighbor values in log10(mmHg)
Test chemical
Measured: 2.04
Predicted: 1.88
Structural image of Acrylonitrile
Acrylonitrile
Similarity: 0.72
Measured: 1.68
Predicted: 1.33
Structural image of Propionitrile
Propionitrile
Similarity: 0.69
Measured: 1.95
Predicted: 2.14
Structural image of Acetonitrile
Acetonitrile
Similarity: 0.69
Measured: 1.42
Predicted: 1.37
Structural image of Allyl alcohol
Allyl alcohol
Similarity: 0.67
Measured: -1.10
Predicted: -0.0900
Structural image of 3-Hydroxypropanenitrile
3-Hydroxypropanenitrile
Similarity: 0.67
Measured: 1.52
Predicted: 1.50
Structural image of 2-Methylpropanenitrile
2-Methylpropanenitrile
Similarity: 0.67
Measured: 2.57
Predicted: 2.43
Structural image of Allyl chloride
Allyl chloride
Similarity: 0.65
Measured: 0.599
Predicted: 0.343
Structural image of Acrylic acid
Acrylic acid
Similarity: 0.65
Measured: 3.30
Predicted: 2.76
Structural image of 1-Fluoropropane
1-Fluoropropane
Similarity: 0.64
Measured: 2.91
Predicted: 0.910
Structural image of Cyanic acid
Cyanic acid
Similarity: 0.64
Measured: 1.29
Predicted: 1.20
Structural image of Butanenitrile
Butanenitrile