Chemistry Reference
In-Depth Information
H
(a)
CH
2
C
Group
F
i
No. groups
F
i
Description
Density
=
1
.
05 g cm
−3
104 g mol
−1
—CH
2
—
131.5
1
131.5
M
r
=
>CH—
85.99
1
85.99
δ = 1.05(896.77)/104
= 9.0(cal cm
−3
1/2
—C==(aromatic)
117.12
6
702.72
)
6-membered ring
− 23.44
1
−
23
.
44
896.77
1/2
cal cm
−3
mol
H
(b)
CH
2
C
CN
Group
F
i
Description
18 g cm
−3
—CH
2
—
131.5
Density
=
1
.
>CH—
85.99
M
r
=
53
CN
354
.
56
δ = (
1
.
18
)(
572
.
05
)/
53
= 12.7(cal cm
−3
1/2
572.05
)
CH
3
H
H
H
(c)
O
C
O
C
C
C
CH
3
H
OH
H
Group
F
i
No. groups
F
i
Description
Density = 1.15 g cm
−3
—CH
3
148.3
2
296.40
—CH
2
—
131.5
2
263.0
M
r
=
284
>
CH—
85.99
1
85.99
δ = (
1
.
15
)(
2572
.
44
)/
284
|
—C—
|
32.03
1
32.03
=
10.4
6-membered ring
− 23.44
2
− 46.88
Para substitution
40.33
2
80.66
—OH
225.84
1
225.84
—O—(ether)
114.98
2
229.96
—C==(aromatic)
117.12
12
1405.44
2572.44
[Conversion factors:
1MPa
1/2
1(Jcm
−3
)
1/2
=
0.49 (cal cm
−3
)
1/2
;
=
1cm
3
mol
−1
10
−6
m
3
mol
−1
]
=
FIGURE 5.1
Calculation of solubility parameters from molar attraction constants.