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: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-194.204325
Energy at 298.15K-194.213200
Nuclear repulsion energy132.322903
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 BLYP/6-31G
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 3452 3426 5.15      
2 A 3064 3041 32.70      
3 A 3055 3032 64.50      
4 A 3047 3024 4.52      
5 A 3025 3002 40.32      
6 A 2979 2957 14.70      
7 A 2960 2937 28.05      
8 A 2900 2878 67.37      
9 A 1516 1504 7.14      
10 A 1503 1492 5.74      
11 A 1496 1485 0.23      
12 A 1489 1478 1.44      
13 A 1424 1413 5.71      
14 A 1406 1396 7.99      
15 A 1391 1380 17.64      
16 A 1347 1337 11.50      
17 A 1255 1245 35.46      
18 A 1177 1168 26.47      
19 A 1124 1116 17.93      
20 A 1067 1058 25.12      
21 A 955 947 0.30      
22 A 932 925 1.10      
23 A 893 886 43.80      
24 A 779 773 14.87      
25 A 467 464 7.53      
26 A 390 387 10.59      
27 A 353 351 5.01      
28 A 315 313 132.15      
29 A 257 255 2.40      
30 A 215 213 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 23115.9 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 22940.2 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 BLYP/6-31G
ABC
0.27802 0.25974 0.15344

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 0.017 0.379
C2 -1.235 -0.766 -0.109
C3 1.331 -0.589 -0.093
O4 -0.008 1.403 -0.164
H5 -0.008 0.064 1.489
H6 -2.171 -0.289 0.237
H7 -1.251 -0.800 -1.212
H8 -1.226 -1.801 0.275
H9 2.175 0.033 0.243
H10 1.459 -1.608 0.310
H11 1.355 -0.638 -1.195
H12 -0.856 1.840 0.109

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11 H12
C11.54301.53561.48831.11072.19842.18342.19642.17742.18422.17712.0321
C21.54302.57192.49212.17861.10541.10291.10433.51972.85352.81132.6418
C31.53562.57192.40142.17323.52972.82132.85331.10141.10331.10293.2747
O41.48832.49212.40142.12762.77532.73763.45552.60883.38282.66220.9923
H51.11072.17862.17322.12762.52343.09552.53632.51372.51753.09102.4034
H62.19841.10543.52972.77532.52341.79011.78264.35733.86233.82142.5057
H72.18341.10292.82132.73763.09551.79011.79223.81383.21102.61112.9781
H82.19641.10432.85333.45552.53631.78261.79223.86402.69203.18983.6631
H92.17743.51971.10142.60882.51374.35733.81383.86401.79221.78613.5307
H102.18422.85351.10333.38282.51753.86233.21102.69201.79221.79334.1578
H112.17712.81131.10292.66223.09103.82142.61113.18981.78611.79333.5681
H122.03212.64183.27470.99232.40342.50572.97813.66313.53074.15783.5681

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 111.142 C1 C2 H7 110.109
C1 C2 H8 111.046 C1 C3 H9 110.236
C1 C3 H10 110.662 C1 C3 H11 110.121
C1 O4 H12 108.342 C2 C1 C3 113.317
C2 C1 O4 110.584 C2 C1 H5 109.282
C3 C1 O4 105.134 C3 C1 H5 109.367
O4 C1 H5 109.026 H6 C2 H7 108.315
H6 C2 H8 107.550 H7 C2 H8 108.579
H9 C3 H10 108.762 H9 C3 H11 108.251
H10 C3 H11 108.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.109      
2 C -0.370      
3 C -0.346      
4 O -0.563      
5 H 0.100      
6 H 0.109      
7 H 0.135      
8 H 0.119      
9 H 0.135      
10 H 0.112      
11 H 0.131      
12 H 0.329      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.297 -0.852 0.928 1.809
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.197 -2.952 -0.194
y -2.952 -26.898 1.296
z -0.194 1.296 -26.737
Traceless
 xyz
x 1.621 -2.952 -0.194
y -2.952 -0.931 1.296
z -0.194 1.296 -0.690
Polar
3z2-r2-1.381
x2-y21.701
xy-2.952
xz-0.194
yz1.296


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 91.708
(<r2>)1/2 9.576