### Model # 1311

Parameter | Value
--- | ---
Endpoint | Fathead minnow LC50 (96 hr)
r2 | 0,724
q2 | 0,646
#chemicals | 92
Model | Model # 1311

Model coefficients
Coefficient | Definition | Value | Uncertainty*
--- | --- | --- | ---
Intercept | Model intercept | 3,3209 | 1,7118
SdssC | Sum of ( = C < ) E-States (SdssC) | 0,3796 | 0,1372
StN | Sum of ( tN ) E-States (StN) | 0,2509 | 0,0906
SsCl | Sum of ( – Cl ) E-States (SsCl) | 0,0207 | 0,0173
ib | Information bond index | 0,0276 | 0,0208
BELm4 | Lowest eigenvalue n. 4 of Burden matrix / weighted by atomic masses | -3,2211 | 1,2898
BELv4 | Lowest eigenvalue n. 4 of Burden matrix / weighted by atomic van der Waals volumes | 2,7971 | 1,9056
Lop | Lopping centric index | -0,5469 | 0,3154
ATS6m | Broto-Moreau autocorrelation of a topological structure - lag 6 / weighted by atomic masses | 0,6691 | 0,3388
GATS6e | Geary autocorrelation - lag 6 / weighted by atomic Sanderson electronegativities | 0,4558 | 0,3481
SRW07 | Self-returning walk count of order 7 | 0,0010 | 0,0009
-S- [aliphatic attach] | -S- [aliphatic attach] fragment count | 1,6066 | 0,7428

* value for 90% confidence interval

Model equation:
Fathead minnow LC50 (96 hr) = 0,3796×(SdssC) + 0,2509×(StN) + 0,0207×(SsCl) + 0,0276×(ib) - 3,2211×(BELm4) + 2,7971×(BELv4) - 0,5469×(Lop) + 0,6691×(ATS6m) + 0,4558×(GATS6e) + 0,0010×(SRW07) + 1,6066×(-S- [aliphatic attach]) + 3,3209

Model 1311 fit results by chemical Model 1311 training set descriptors