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

using model chemistry: MP4/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 MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-118.138006
Energy at 298.15K-118.144176
HF Energy-117.648358
Nuclear repulsion energy74.735930
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 MP4/6-31G*
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' 3202 3128        
2 A' 3132 3060        
3 A' 3077 3006        
4 A' 3000 2931        
5 A' 1543 1507        
6 A' 1530 1495        
7 A' 1462 1429        
8 A' 1213 1185        
9 A' 1075 1050        
10 A' 907 886        
11 A' 441 431        
12 A' 362 354        
13 A' 157 154        
14 A" 3133 3060        
15 A" 3077 3006        
16 A" 2997 2928        
17 A" 1533 1498        
18 A" 1520 1485        
19 A" 1464 1430        
20 A" 1410 1378        
21 A" 1181 1154        
22 A" 971 949        
23 A" 959 937        
24 A" 134 131        

Unscaled Zero Point Vibrational Energy (zpe) 19739.5 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 19283.5 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 MP4/aug-cc-pVDZ
ABC
1.20949 0.27496 0.24523

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 0.551 0.000
C2 -0.013 -0.203 1.303
C3 -0.013 -0.203 -1.303
H4 0.289 1.605 0.000
H5 -0.789 -0.994 1.305
H6 -0.789 -0.994 -1.305
H7 0.961 -0.712 1.481
H8 -0.198 0.465 2.163
H9 0.961 -0.712 -1.481
H10 -0.198 0.465 -2.163

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.50561.50561.09642.16582.16582.17622.17302.17622.1730
C21.50562.60672.24901.10782.83381.11321.10412.99313.5353
C31.50562.60672.24902.83381.10782.99313.53531.11321.1041
H41.09642.24902.24903.10123.10122.83072.49352.83072.4935
H52.16581.10782.83383.10122.60991.78061.79253.30153.8087
H62.16582.83381.10783.10122.60993.30153.80871.78061.7925
H72.17621.11322.99312.83071.78063.30151.78662.96144.0007
H82.17301.10413.53532.49351.79253.80871.78664.00074.3269
H92.17622.99311.11322.83073.30151.78062.96144.00071.7866
H102.17303.53531.10412.49353.80871.79254.00074.32691.7866

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 111.021 C1 C2 H7 111.528
C1 C2 H8 111.825 C1 C3 H6 111.021
C1 C3 H9 111.528 C1 C3 H10 111.825
C2 C1 C3 119.919 C2 C1 H4 118.769
C3 C1 H4 118.769 H5 C2 H7 106.592
H5 C2 H8 108.268 H6 C3 H9 106.592
H6 C3 H10 108.268 H7 C2 H8 107.371
H9 C3 H10 107.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability