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

using model chemistry: B2PLYP=FULL/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=FULL/6-31+G**
 hartrees
Energy at 0K-118.341854
Energy at 298.15K-118.348049
HF Energy-118.200376
Nuclear repulsion energy75.432685
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=FULL/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 3065 29.20      
2 A' 3147 2993 20.16      
3 A' 3080 2929 48.91      
4 A' 3002 2855 49.82      
5 A' 1519 1445 5.54      
6 A' 1506 1433 16.29      
7 A' 1440 1370 3.88      
8 A' 1199 1140 2.01      
9 A' 1049 998 0.06      
10 A' 900 856 1.82      
11 A' 405 385 18.75      
12 A' 354 336 15.62      
13 A' 138 132 0.73      
14 A" 3148 2994 27.42      
15 A" 3080 2929 7.94      
16 A" 2999 2852 28.08      
17 A" 1506 1432 1.41      
18 A" 1496 1423 1.20      
19 A" 1441 1370 8.40      
20 A" 1391 1323 2.84      
21 A" 1166 1109 0.19      
22 A" 957 910 1.16      
23 A" 952 905 0.01      
24 A" 120 114 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19608.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 18647.7 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=FULL/6-31+G**
ABC
1.24425 0.27856 0.24878

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/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 0.247 1.593 0.000
H5 -0.770 -0.989 1.301
H6 -0.770 -0.989 -1.301
H7 0.953 -0.696 1.483
H8 -0.203 0.462 2.142
H9 0.953 -0.696 -1.483
H10 -0.203 0.462 -2.142

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49151.49151.08392.14662.14662.15842.15202.15842.1520
C21.49152.59072.22621.09522.81831.10101.09142.98263.5057
C31.49152.59072.22622.81831.09522.98263.50571.10101.0914
H41.08392.22622.22623.06513.06512.81752.46342.81752.4634
H52.14661.09522.81833.06512.60291.75701.77073.28743.7797
H62.14662.81831.09523.06512.60293.28743.77971.75701.7707
H72.15841.10102.98262.81751.75703.28741.76412.96603.9773
H82.15201.09143.50572.46341.77073.77971.76413.97734.2841
H92.15842.98261.10102.81753.28741.75702.96603.97731.7641
H102.15203.50571.09142.46343.77971.77073.97734.28411.7641

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 111.836
C1 C2 H8 111.919 C1 C3 H6 111.245
C1 C3 H9 111.836 C1 C3 H10 111.919
C2 C1 C3 120.563 C2 C1 H4 118.779
C3 C1 H4 118.779 H5 C2 H7 106.257
H5 C2 H8 108.148 H6 C3 H9 106.257
H6 C3 H10 108.148 H7 C2 H8 107.155
H9 C3 H10 107.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability