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

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-118.043684
Energy at 298.15K-118.049969
HF Energy-117.656877
Nuclear repulsion energy75.421437
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 CID/6-311G*
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' 3253 3022 33.73      
2 A' 3186 2960 23.35      
3 A' 3134 2912 56.63      
4 A' 3062 2845 43.80      
5 A' 1562 1451 6.09      
6 A' 1552 1442 18.06      
7 A' 1487 1382 5.27      
8 A' 1232 1145 2.70      
9 A' 1086 1009 0.11      
10 A' 917 852 1.94      
11 A' 425 395 18.74      
12 A' 359 333 10.24      
13 A' 155 144 0.35      
14 A" 3187 2961 26.52      
15 A" 3133 2911 5.95      
16 A" 3058 2841 26.50      
17 A" 1551 1441 1.34      
18 A" 1539 1430 1.96      
19 A" 1490 1384 10.00      
20 A" 1427 1326 1.45      
21 A" 1190 1105 0.00      
22 A" 988 918 0.50      
23 A" 976 907 0.60      
24 A" 121 113 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20033.5 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 18613.1 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 CID/6-311G*
ABC
1.24164 0.27823 0.24854

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 0.544 0.000
C2 -0.013 -0.201 1.297
C3 -0.013 -0.201 -1.297
H4 0.298 1.581 0.000
H5 -0.779 -0.980 1.304
H6 -0.779 -0.980 -1.304
H7 0.946 -0.701 1.476
H8 -0.197 0.461 2.142
H9 0.946 -0.701 -1.476
H10 -0.197 0.461 -2.142

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49521.49521.08262.14712.14712.15692.15192.15692.1519
C21.49522.59312.22531.09242.82101.09741.08942.97683.5068
C31.49522.59312.22532.82101.09242.97683.50681.09741.0894
H41.08262.22532.22533.06903.06902.79452.46772.79452.4677
H52.14711.09242.82103.06902.60891.75611.76533.28453.7808
H62.14712.82101.09243.06902.60893.28453.78081.75611.7653
H72.15691.09742.97682.79451.75613.28451.76122.95293.9692
H82.15191.08943.50682.46771.76533.78081.76123.96924.2847
H92.15692.97681.09742.79453.28451.75612.95293.96921.7612
H102.15193.50681.08942.46773.78081.76533.96924.28471.7612

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 111.196 C1 C2 H7 111.683
C1 C2 H8 111.766 C1 C3 H6 111.196
C1 C3 H9 111.683 C1 C3 H10 111.766
C2 C1 C3 120.254 C2 C1 H4 118.492
C3 C1 H4 118.492 H5 C2 H7 106.634
H5 C2 H8 108.016 H6 C3 H9 106.634
H6 C3 H10 108.016 H7 C2 H8 107.296
H9 C3 H10 107.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability