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

using model chemistry: MP2/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.173355
Energy at 298.15K-118.179589
HF Energy-117.676733
Nuclear repulsion energy75.732548
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 MP2/6-311+G(3df,2p)
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' 3235 3052 18.51      
2 A' 3161 2982 13.47      
3 A' 3097 2922 32.87      
4 A' 3018 2848 30.33      
5 A' 1513 1427 5.78      
6 A' 1503 1418 15.19      
7 A' 1424 1343 4.27      
8 A' 1192 1125 2.17      
9 A' 1041 982 0.03      
10 A' 907 856 1.72      
11 A' 409 386 16.99      
12 A' 349 329 11.27      
13 A' 152 144 0.49      
14 A" 3162 2983 17.95      
15 A" 3098 2923 3.99      
16 A" 3017 2846 23.11      
17 A" 1500 1415 0.80      
18 A" 1491 1407 1.00      
19 A" 1429 1348 9.66      
20 A" 1378 1300 1.74      
21 A" 1169 1103 0.08      
22 A" 949 895 0.91      
23 A" 942 889 0.02      
24 A" 126 119 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19631.2 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 18520.1 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 MP2/6-311+G(3df,2p)
ABC
1.23916 0.28251 0.25170

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 0.547 0.000
C2 -0.013 -0.200 1.286
C3 -0.013 -0.200 -1.286
H4 0.280 1.587 0.000
H5 -0.784 -0.973 1.291
H6 -0.784 -0.973 -1.291
H7 0.942 -0.715 1.451
H8 -0.180 0.453 2.140
H9 0.942 -0.715 -1.451
H10 -0.180 0.453 -2.140

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48731.48731.08052.13842.13842.14712.14842.14712.1484
C21.48732.57192.22121.09182.79891.09721.08812.94423.4915
C31.48732.57192.22122.79891.09182.94423.49151.09721.0881
H41.08052.22122.22123.05853.05852.80032.46502.80032.4650
H52.13841.09182.79893.05852.58241.75261.76633.25063.7645
H62.13842.79891.09183.05852.58243.25063.76451.75261.7663
H72.14711.09722.94422.80031.75263.25061.75982.90233.9392
H82.14841.08813.49152.46501.76633.76451.75983.93924.2796
H92.14712.94421.09722.80033.25061.75262.90233.93921.7598
H102.14843.49151.08812.46503.76451.76633.93924.27961.7598

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 111.090 C1 C2 H7 111.458
C1 C2 H8 112.132 C1 C3 H6 111.090
C1 C3 H9 111.458 C1 C3 H10 112.132
C2 C1 C3 119.674 C2 C1 H4 118.919
C3 C1 H4 118.919 H5 C2 H7 106.381
H5 C2 H8 108.238 H6 C3 H9 106.381
H6 C3 H10 108.238 H7 C2 H8 107.276
H9 C3 H10 107.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability