TEST Model Calculation Details: Vapor Pressure

Structural image of Cyclohexylbenzene
Chemical Identifiers
Preferred name: Cyclohexylbenzene
DTXSID: DTXSID3061188
DTXCID: DTXCID3048318
CASRN: 827-52-1
Molecular weight: 160.26
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
 0.0399 mmHg (EPI Suite v 4.00, set=Training, CASRN=827-52-1)
Predicted value: Predicted value from the model
0.0576 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 -1.26
Group contribution -1.30
Nearest neighbor -1.15
Consensus -1.24
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 0.35
*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: -1.40
Predicted: -1.24
Structural image of Cyclohexylbenzene
Cyclohexylbenzene
Similarity: 0.86
Measured: -1.93
Predicted: -2.61
Structural image of 1,1-Diphenylethane
1,1-Diphenylethane
Similarity: 0.81
Measured: -2.09
Predicted: -1.60
Structural image of Diphenylmethane
Diphenylmethane
Similarity: 0.80
Measured: -1.50
Predicted: -1.90
Structural image of 2-Ethylnaphthalene
2-Ethylnaphthalene
Similarity: 0.79
Measured: -0.609
Predicted: -0.547
Structural image of 1,4-Diisopropylbenzene
1,4-Diisopropylbenzene
Similarity: 0.79
Measured: -2.22
Predicted: -2.05
Structural image of Naphthalene, 1-(1-methylethyl)-
Naphthalene, 1-(1-methylethyl)-
Similarity: 0.76
Measured: -1.51
Predicted: -1.57
Structural image of Heptylbenzene
Heptylbenzene
Similarity: 0.76
Measured: -0.429
Predicted: -0.850
Structural image of Pentylcyclohexane
Pentylcyclohexane
Similarity: 0.74
Measured: -1.95
Predicted: -2.20
Structural image of Benzene, octyl-
Benzene, octyl-
Similarity: 0.71
Measured: -3.92
Predicted: -4.31
Structural image of Phenanthrene
Phenanthrene
Similarity: 0.68
Measured: -5.27
Predicted: -4.72
Structural image of 2-Methylanthracene
2-Methylanthracene
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 0.16
*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: -1.40
Predicted: -1.24
Structural image of Cyclohexylbenzene
Cyclohexylbenzene
Similarity: 0.90
Measured: -0.210
Predicted: -0.287
Structural image of sec-Pentylbenzene
sec-Pentylbenzene
Similarity: 0.85
Measured: -2.29
Predicted: -2.80
Structural image of 2-Isopropylnaphthalene
2-Isopropylnaphthalene
Similarity: 0.85
Measured: -0.967
Predicted: -0.990
Structural image of 1,1'-Bicyclohexyl
1,1'-Bicyclohexyl
Similarity: 0.81
Measured: -2.05
Predicted: -2.06
Structural image of Biphenyl
Biphenyl
Similarity: 0.81
Measured: 0.0250
Predicted: -0.0133
Structural image of Butylbenzene
Butylbenzene
Similarity: 0.80
Measured: 0.243
Predicted: 0.187
Structural image of sec-Butylbenzene
sec-Butylbenzene
Similarity: 0.79
Measured: 0.117
Predicted: 0.187
Structural image of Butylcyclohexane
Butylcyclohexane
Similarity: 0.79
Measured: -3.30
Predicted: -3.71
No structure image
25640-78-2Isopropylbiphenyl
Similarity: 0.78
Measured: -0.358
Predicted: -0.633
Structural image of Pentylbenzene
Pentylbenzene
Similarity: 0.78
Measured: -2.37
Predicted: -2.22
Structural image of 2,6-Dimethylnaphthalene
2,6-Dimethylnaphthalene