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: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-193.730505
Energy at 298.15K-193.739609
HF Energy-193.113831
Nuclear repulsion energy134.666903
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 CCD/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 3781 3579 11.66      
2 A 3175 3005 22.18      
3 A 3168 2999 48.04      
4 A 3162 2993 1.36      
5 A 3145 2977 30.21      
6 A 3084 2919 10.09      
7 A 3070 2906 18.43      
8 A 3024 2862 55.78      
9 A 1561 1478 6.39      
10 A 1552 1469 3.77      
11 A 1541 1459 1.15      
12 A 1537 1454 0.98      
13 A 1493 1413 23.81      
14 A 1469 1390 19.64      
15 A 1444 1366 1.18      
16 A 1427 1350 15.63      
17 A 1326 1255 63.45      
18 A 1237 1170 33.49      
19 A 1205 1141 14.94      
20 A 1131 1071 25.62      
21 A 1012 958 31.76      
22 A 984 931 1.35      
23 A 956 905 0.33      
24 A 855 809 3.20      
25 A 495 469 9.36      
26 A 425 402 9.86      
27 A 371 351 1.61      
28 A 324 307 128.41      
29 A 281 266 0.98      
30 A 234 222 4.51      

Unscaled Zero Point Vibrational Energy (zpe) 24233.0 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 22936.6 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 CCD/6-31G*
ABC
0.28982 0.26805 0.15937

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 0.044 0.366
C2 -1.205 -0.767 -0.104
C3 1.316 -0.567 -0.088
O4 -0.028 1.365 -0.170
H5 -0.007 0.083 1.470
H6 -2.143 -0.297 0.223
H7 -1.210 -0.821 -1.199
H8 -1.180 -1.787 0.301
H9 2.155 0.049 0.253
H10 1.433 -1.581 0.314
H11 1.344 -0.615 -1.183
H12 -0.841 1.797 0.132

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52711.52021.42591.10422.17502.15952.17942.15752.16672.15401.9584
C21.52712.52912.43592.15301.09851.09651.09723.47612.79212.77232.6003
C31.52022.52912.35512.14473.48332.77152.80531.09541.09651.09653.2078
O41.42592.43592.35512.08132.71822.68913.38832.58393.32342.61290.9689
H51.10422.15302.14472.08132.50243.06402.49832.48072.48553.05772.3284
H62.17501.09853.48332.71822.50241.77911.77504.31183.80023.77302.4675
H72.15951.09652.77152.68913.06401.77911.78423.76693.13912.56262.9595
H82.17941.09722.80533.38832.49831.77501.78423.80732.62133.15383.6035
H92.15753.47611.09542.58392.48074.31183.76693.80731.78351.77803.4706
H102.16672.79211.09653.32342.48553.80023.13912.62131.78351.78394.0757
H112.15402.77231.09652.61293.05773.77302.56263.15381.77801.78393.5099
H121.95842.60033.20780.96892.32842.46752.95953.60353.47064.07573.5099

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 110.807 C1 C2 H7 109.704
C1 C2 H8 111.235 C1 C3 H9 110.091
C1 C3 H10 110.750 C1 C3 H11 109.751
C1 O4 H12 108.215 C2 C1 C3 112.190
C2 C1 O4 111.114 C2 C1 H5 108.753
C3 C1 O4 106.103 C3 C1 H5 108.581
O4 C1 H5 110.048 H6 C2 H7 108.294
H6 C2 H8 107.879 H7 C2 H8 108.841
H9 C3 H10 108.911 H9 C3 H11 108.422
H10 C3 H11 108.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability