return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBEPBE/6-311G**

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/6-311G**
 hartrees
Energy at 0K-194.156783
Energy at 298.15K-194.165680
Nuclear repulsion energy134.113524
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/6-311G**
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 3718 3684 9.24      
2 A 3060 3032 24.76      
3 A 3051 3023 44.84      
4 A 3043 3015 10.27      
5 A 3027 2999 34.89      
6 A 2975 2948 13.81      
7 A 2958 2931 23.41      
8 A 2882 2855 63.37      
9 A 1460 1446 7.26      
10 A 1447 1433 6.50      
11 A 1437 1424 2.51      
12 A 1431 1418 1.42      
13 A 1382 1369 22.72      
14 A 1359 1346 19.88      
15 A 1339 1327 5.68      
16 A 1324 1312 11.47      
17 A 1247 1235 45.62      
18 A 1147 1136 28.10      
19 A 1121 1111 26.50      
20 A 1064 1054 22.88      
21 A 934 926 38.14      
22 A 917 909 5.27      
23 A 898 890 0.27      
24 A 806 799 4.68      
25 A 467 463 6.73      
26 A 403 399 12.31      
27 A 350 346 3.45      
28 A 310 307 100.10      
29 A 260 258 1.85      
30 A 221 219 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 23016.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 22806.9 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/6-311G**
ABC
0.28751 0.26572 0.15789

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 0.038 0.367
C2 -1.207 -0.772 -0.104
C3 1.326 -0.563 -0.090
O4 -0.032 1.375 -0.164
H5 -0.005 0.078 1.477
H6 -2.149 -0.310 0.236
H7 -1.226 -0.816 -1.205
H8 -1.181 -1.801 0.289
H9 2.164 0.065 0.245
H10 1.461 -1.576 0.317
H11 1.355 -0.617 -1.190
H12 -0.883 1.760 0.101

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53021.52341.43841.11092.18372.17002.18822.16472.17592.16391.9547
C21.53022.54152.44752.16071.10301.10131.10183.49082.81822.78702.5608
C31.52342.54152.36712.15343.49932.79622.82151.09961.10041.10133.2112
O41.43842.44752.36712.09182.73492.70293.40692.58913.34172.63520.9710
H51.11092.16072.15342.09182.50773.07942.51472.49412.49583.07322.3446
H62.18371.10303.49932.73492.50771.78431.77804.32923.82643.79582.4305
H72.17001.10132.79622.70293.07941.78431.78993.79063.18022.58912.9080
H82.18821.10182.82153.40692.51471.77801.78993.83042.65173.16563.5782
H92.16473.49081.09962.58912.49414.32923.79063.83041.78711.78263.4895
H102.17592.81821.10043.34172.49583.82643.18022.65171.78711.78914.0831
H112.16392.78701.10132.63523.07323.79582.58913.16561.78261.78913.5111
H121.95472.56083.21120.97102.34462.43052.90803.57823.48954.08313.5111

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 111.010 C1 C2 H7 110.032
C1 C2 H8 111.441 C1 C3 H9 110.188
C1 C3 H10 111.027 C1 C3 H11 110.018
C1 O4 H12 106.837 C2 C1 C3 112.670
C2 C1 O4 111.030 C2 C1 H5 108.754
C3 C1 O4 106.068 C3 C1 H5 108.642
O4 C1 H5 109.608 H6 C2 H7 108.088
H6 C2 H8 107.492 H7 C2 H8 108.666
H9 C3 H10 108.654 H9 C3 H11 108.184
H10 C3 H11 108.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.048      
2 C -0.326      
3 C -0.314      
4 O -0.359      
5 H 0.111      
6 H 0.107      
7 H 0.124      
8 H 0.115      
9 H 0.129      
10 H 0.114      
11 H 0.121      
12 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.127 -0.607 0.805 1.512
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.663 -2.638 -0.258
y -2.638 -27.004 0.961
z -0.258 0.961 -27.017
Traceless
 xyz
x 1.347 -2.638 -0.258
y -2.638 -0.663 0.961
z -0.258 0.961 -0.684
Polar
3z2-r2-1.368
x2-y21.340
xy-2.638
xz-0.258
yz0.961


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.789 -0.128 -0.051
y -0.128 6.305 0.000
z -0.051 0.000 5.713


<r2> (average value of r2) Å2
<r2> 89.908
(<r2>)1/2 9.482