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

using model chemistry: MP2=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-118.084811
Energy at 298.15K-118.091024
HF Energy-117.648941
Nuclear repulsion energy75.123544
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 MP2=FULL/aug-cc-pVDZ
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' 3237 3137 23.73      
2 A' 3160 3062 16.63      
3 A' 3096 3000 40.64      
4 A' 3012 2920 35.20      
5 A' 1482 1437 4.68      
6 A' 1474 1429 13.33      
7 A' 1398 1355 3.72      
8 A' 1179 1143 1.70      
9 A' 1023 992 0.12      
10 A' 906 878 1.71      
11 A' 406 393 14.72      
12 A' 342 331 11.87      
13 A' 157 152 0.46      
14 A" 3160 3063 21.04      
15 A" 3097 3002 3.97      
16 A" 3011 2918 26.73      
17 A" 1472 1426 0.03      
18 A" 1462 1417 1.57      
19 A" 1418 1374 9.84      
20 A" 1358 1316 1.19      
21 A" 1170 1134 0.01      
22 A" 931 902 0.74      
23 A" 929 900 0.19      
24 A" 123 119 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19499.8 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 18899.3 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 MP2=FULL/aug-cc-pVDZ
ABC
1.21873 0.27833 0.24810

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 0.550 0.000
C2 -0.014 -0.202 1.295
C3 -0.014 -0.202 -1.295
H4 0.299 1.596 0.000
H5 -0.792 -0.983 1.299
H6 -0.792 -0.983 -1.299
H7 0.952 -0.718 1.465
H8 -0.186 0.461 2.155
H9 0.952 -0.718 -1.465
H10 -0.186 0.461 -2.155

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49751.49751.09182.15522.15522.16482.16392.16482.1639
C21.49752.59012.23781.10292.81911.10831.09942.96903.5175
C31.49752.59012.23782.81911.10292.96903.51751.10831.0994
H41.09182.23782.23783.08733.08732.81572.48372.81572.4837
H52.15521.10292.81913.08732.59861.77211.78473.27903.7929
H62.15522.81911.10293.08732.59863.27903.79291.77211.7847
H72.16481.10832.96902.81571.77213.27901.77842.92903.9734
H82.16391.09943.51752.48371.78473.79291.77843.97344.3103
H92.16482.96901.10832.81573.27901.77212.92903.97341.7784
H102.16393.51751.09942.48373.79291.78473.97344.31031.7784

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 111.042 C1 C2 H7 111.476
C1 C2 H8 111.960 C1 C3 H6 111.042
C1 C3 H9 111.476 C1 C3 H10 111.960
C2 C1 C3 119.725 C2 C1 H4 118.756
C3 C1 H4 118.756 H5 C2 H7 106.527
H5 C2 H8 108.266 H6 C3 H9 106.527
H6 C3 H10 108.266 H7 C2 H8 107.325
H9 C3 H10 107.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability