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All results from a given calculation for CH3CHCH3 (Isopropyl radical)

using model chemistry: B2PLYP=FULLultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at B2PLYP=FULLultrafine/6-31+G**
 hartrees
Energy at 0K-118.341854
Energy at 298.15K 
HF Energy-118.200376
Nuclear repulsion energy75.432806
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 B2PLYP=FULLultrafine/6-31+G**
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' 3223 3223 29.05      
2 A' 3146 3146 20.20      
3 A' 3080 3080 49.01      
4 A' 3002 3002 49.73      
5 A' 1519 1519 5.53      
6 A' 1506 1506 16.28      
7 A' 1440 1440 3.88      
8 A' 1199 1199 2.02      
9 A' 1049 1049 0.06      
10 A' 900 900 1.82      
11 A' 404 404 18.78      
12 A' 353 353 15.59      
13 A' 137 137 0.75      
14 A" 3147 3147 27.46      
15 A" 3080 3080 7.88      
16 A" 2999 2999 28.10      
17 A" 1506 1506 1.40      
18 A" 1496 1496 1.20      
19 A" 1441 1441 8.38      
20 A" 1391 1391 2.85      
21 A" 1166 1166 0.19      
22 A" 957 957 1.15      
23 A" 952 952 0.01      
24 A" 116 116 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19604.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19604.7 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 B2PLYP=FULLultrafine/6-31+G**
ABC
1.24404 0.27858 0.24879

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 0.540 0.000
C2 -0.011 -0.199 1.295
C3 -0.011 -0.199 -1.295
H4 0.245 1.593 0.000
H5 -0.771 -0.988 1.302
H6 -0.771 -0.988 -1.302
H7 0.952 -0.698 1.482
H8 -0.201 0.463 2.142
H9 0.952 -0.698 -1.482
H10 -0.201 0.463 -2.142

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49151.49151.08392.14672.14672.15832.15202.15832.1520
C21.49152.59062.22641.09522.81871.10101.09142.98193.5057
C31.49152.59062.22642.81871.09522.98193.50571.10101.0914
H41.08392.22642.22643.06463.06462.81882.46312.81882.4631
H52.14671.09522.81873.06462.60381.75701.77063.28723.7803
H62.14672.81871.09523.06462.60383.28723.78031.75701.7706
H72.15831.10102.98192.81881.75703.28721.76422.96443.9765
H82.15201.09143.50572.46311.77063.78031.76423.97654.2843
H92.15832.98191.10102.81883.28721.75702.96443.97651.7642
H102.15203.50571.09142.46313.78031.77063.97654.28431.7642

picture of Isopropyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.245 C1 C2 H7 111.834
C1 C2 H8 111.918 C1 C3 H6 111.245
C1 C3 H9 111.834 C1 C3 H10 111.918
C2 C1 C3 120.553 C2 C1 H4 118.797
C3 C1 H4 118.797 H5 C2 H7 106.263
H5 C2 H8 108.140 H6 C3 H9 106.263
H6 C3 H10 108.140 H7 C2 H8 107.159
H9 C3 H10 107.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability