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

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-36.731315
Energy at 298.15K-36.740477
Nuclear repulsion energy78.699016
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 HF/CEP-31G
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 4071 3669 17.94      
2 A 3315 2988 109.62      
3 A 3304 2979 133.72      
4 A 3296 2971 9.69      
5 A 3275 2952 80.91      
6 A 3226 2908 47.21      
7 A 3214 2897 58.86      
8 A 3199 2884 54.90      
9 A 1643 1481 9.95      
10 A 1629 1469 5.08      
11 A 1625 1465 0.54      
12 A 1617 1457 1.02      
13 A 1570 1415 14.62      
14 A 1559 1405 21.98      
15 A 1526 1375 3.71      
16 A 1497 1349 23.04      
17 A 1363 1229 49.84      
18 A 1304 1175 53.11      
19 A 1256 1132 32.07      
20 A 1168 1053 43.68      
21 A 1047 944 18.17      
22 A 1045 942 34.60      
23 A 1027 926 1.67      
24 A 874 788 7.60      
25 A 505 456 11.78      
26 A 430 387 13.77      
27 A 381 343 3.43      
28 A 308 278 206.13      
29 A 268 242 5.08      
30 A 226 204 7.16      

Unscaled Zero Point Vibrational Energy (zpe) 25382.8 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 22880.1 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 HF/CEP-31G
ABC
0.28350 0.26387 0.15608

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.005 0.037 0.378
C2 -1.166 -0.842 -0.098
C3 1.368 -0.490 -0.084
O4 -0.107 1.378 -0.179
H5 -0.011 0.111 1.466
H6 -2.126 -0.430 0.222
H7 -1.169 -0.906 -1.186
H8 -1.082 -1.850 0.310
H9 2.161 0.174 0.254
H10 1.550 -1.489 0.314
H11 1.400 -0.533 -1.172
H12 -0.905 1.835 0.087

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53981.53211.45591.09142.18682.17072.17902.16382.17222.16142.0355
C21.53982.55842.46052.16581.09201.08951.09113.49662.82242.79882.6955
C31.53212.55842.38132.15973.50722.79632.82971.08781.09081.08913.2550
O41.45592.46052.38132.07922.73942.71233.40712.60413.34732.62820.9570
H51.09142.16582.15972.07922.51253.06752.51602.48822.51413.06022.3822
H62.18681.09203.50722.73942.51251.76831.76424.32913.82593.79272.5767
H72.17071.08952.79632.71233.06751.76831.77073.78473.15882.59533.0336
H82.17901.09112.82973.40712.51601.76421.77073.82322.65663.17653.6958
H92.16383.49661.08782.60412.48824.32913.78473.82321.77221.76383.4907
H102.17222.82241.09083.34732.51413.82593.15882.65661.77221.77314.1377
H112.16142.79881.08912.62823.06023.79272.59533.17651.76381.77313.5358
H122.03552.69553.25500.95702.38222.57673.03363.69583.49074.13773.5358

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 111.247 C1 C2 H7 110.113
C1 C2 H8 110.682 C1 C3 H9 110.208
C1 C3 H10 110.694 C1 C3 H11 109.939
C1 O4 H12 113.425 C2 C1 C3 112.782
C2 C1 O4 110.408 C2 C1 H5 109.623
C3 C1 O4 105.652 C3 C1 H5 109.670
O4 C1 H5 108.568 H6 C2 H7 108.300
H6 C2 H8 107.821 H7 C2 H8 108.587
H9 C3 H10 108.862 H9 C3 H11 108.233
H10 C3 H11 108.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.130      
2 C -0.334      
3 C -0.290      
4 O -0.612      
5 H 0.089      
6 H 0.109      
7 H 0.119      
8 H 0.097      
9 H 0.136      
10 H 0.086      
11 H 0.107      
12 H 0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.416 -1.193 1.311 2.268
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.119 -3.207 -0.279
y -3.207 -27.523 1.681
z -0.279 1.681 -26.673
Traceless
 xyz
x 1.979 -3.207 -0.279
y -3.207 -1.627 1.681
z -0.279 1.681 -0.352
Polar
3z2-r2-0.703
x2-y22.404
xy-3.207
xz-0.279
yz1.681


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.325 -0.235 -0.090
y -0.235 5.151 -0.071
z -0.090 -0.071 4.467


<r2> (average value of r2) Å2
<r2> 78.010
(<r2>)1/2 8.832