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All results from a given calculation for CH3CHOHCH3 (Isopropyl alcohol)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-193.032370
Energy at 298.15K-193.041268
Nuclear repulsion energy132.954385
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3340 3309 5.48      
2 A 3079 3051 21.50      
3 A 3075 3047 34.63      
4 A 3065 3037 8.01      
5 A 3041 3014 27.15      
6 A 2995 2968 9.68      
7 A 2972 2945 19.46      
8 A 2894 2868 63.70      
9 A 1531 1517 9.88      
10 A 1513 1500 7.64      
11 A 1506 1492 0.43      
12 A 1497 1483 2.06      
13 A 1412 1399 11.14      
14 A 1398 1386 17.20      
15 A 1392 1380 16.36      
16 A 1349 1336 10.84      
17 A 1267 1255 44.59      
18 A 1177 1166 29.91      
19 A 1128 1118 15.56      
20 A 1070 1061 22.80      
21 A 953 944 0.76      
22 A 929 921 4.13      
23 A 920 912 33.47      
24 A 801 794 3.71      
25 A 450 446 6.99      
26 A 377 373 10.50      
27 A 348 345 3.16      
28 A 330 327 118.66      
29 A 260 258 1.88      
30 A 219 217 3.19      

Unscaled Zero Point Vibrational Energy (zpe) 23144.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 22934.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/3-21G
ABC
0.28105 0.26350 0.15623

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 0.029 0.393
C2 -1.244 -0.730 -0.113
C3 1.297 -0.623 -0.095
O4 0.042 1.393 -0.165
H5 -0.009 0.042 1.506
H6 -2.174 -0.246 0.241
H7 -1.241 -0.723 -1.217
H8 -1.242 -1.774 0.245
H9 2.160 -0.023 0.237
H10 1.391 -1.650 0.297
H11 1.293 -0.649 -1.198
H12 -0.827 1.827 0.103

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11 H12
C11.54031.53351.47401.11322.19422.16552.19342.16832.18362.16011.9995
C21.54032.54322.48192.17691.10651.10361.10433.49392.82092.75972.5996
C31.53352.54322.37602.17103.50762.77672.80861.10251.10291.10343.2492
O41.47402.48192.37602.14912.78562.68843.44182.57903.36022.60761.0079
H51.11322.17692.17102.14912.52303.08422.53132.51422.50693.07972.4128
H62.19421.10653.50762.78562.52301.79521.78994.33953.83173.77482.4761
H72.16551.10362.77672.68843.08421.79521.80033.76423.17462.53452.9013
H82.19341.10432.80863.44182.53131.78991.80033.82652.63663.12613.6281
H92.16833.49391.10252.57902.51424.33953.76423.82651.80071.79023.5160
H102.18362.82091.10293.36022.50693.83173.17462.63661.80071.80224.1288
H112.16012.75971.10342.60763.07973.77482.53453.12611.79021.80223.5097
H121.99952.59963.24921.00792.41282.47612.90133.62813.51604.12883.5097

picture of Isopropyl alcohol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.930 C1 C2 H7 108.859
C1 C2 H8 110.996 C1 C3 H9 109.603
C1 C3 H10 110.780 C1 C3 H11 108.914
C1 O4 H12 105.807 C2 C1 C3 111.661
C2 C1 O4 110.824 C2 C1 H5 109.183
C3 C1 O4 104.353 C3 C1 H5 109.190
O4 C1 H5 111.570 H6 C2 H7 108.639
H6 C2 H8 108.118 H7 C2 H8 109.254
H9 C3 H10 109.469 H9 C3 H11 108.497
H10 C3 H11 109.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.046      
2 C -0.601      
3 C -0.576      
4 O -0.511      
5 H 0.184      
6 H 0.190      
7 H 0.215      
8 H 0.199      
9 H 0.217      
10 H 0.193      
11 H 0.212      
12 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.269 -0.555 0.774 1.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.239 -2.841 -0.171
y -2.841 -26.284 1.028
z -0.171 1.028 -26.490
Traceless
 xyz
x 1.149 -2.841 -0.171
y -2.841 -0.420 1.028
z -0.171 1.028 -0.729
Polar
3z2-r2-1.457
x2-y21.046
xy-2.841
xz-0.171
yz1.028


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.647 -0.268 -0.102
y -0.268 5.529 -0.091
z -0.102 -0.091 4.733


<r2> (average value of r2) Å2
<r2> 90.390
(<r2>)1/2 9.507