Table 4 Parameter values in semi-empirical models.

From: Solubility of palbociclib in supercritical carbon dioxide from experimental measurement and Peng–Robinson equation of state

Model

Parameters

AARD%

\({a}_{0}\)

\({a}_{1}\)

\({a}_{2}\)

\({a}_{3}\)

\({a}_{4}\)

\({a}_{5}\)

\({a}_{6}\)

\({a}_{7}\)

Chrastil

7.5314

−4860.461

−38.0736

–

–

–

–

–

24.51%

MST

−11,783.097

4.4410

19.0791

–

–

–

–

–

24.20%

K–J

0.4908

0.0108

−6767.2317

–

–

–

–

–

23.73%

Bartle

11.9754

0.0117

−6335.4073

–

–

–

–

–

24.20%

Bian

−20.3979

1.42 \(\times\) 104

−24.0799

−6.0178

0.01206

–

–

–

15.60%

Garlapati

−242.7863

−41.7235

0.0017

7231.7370

38.3561

–

–

–

23.10%

Keshmiri

9.8274

1.79 \(\times\) 105

2.5895

−1.9618

2256.6849

–

–

–

25.94%

Khansary

−7756.8036

−0.3088

0.0039

2.0840

0.0445

–

–

–

24.07%

Sodeifian

−37.9028

0.0078

1.9762

8.53 \(\times\) 10–5

−3.21 \(\times\) 10–4

1.9738

–

–

23.71%

Belghait

24.5312

−0.0835

1.61 \(\times\) 10–5

\(2.145\times\) 10–4

−0.0847

−4.90 \(\times\) 10–5

−0.4875

137.3061

16.21%

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