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

using model chemistry: CID/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 CID/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.150506
Energy at 298.15K-118.156799
HF Energy-117.676938
Nuclear repulsion energy75.785755
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/6-311+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' 3275 3026 22.90      
2 A' 3200 2957 18.95      
3 A' 3145 2906 41.88      
4 A' 3074 2841 37.89      
5 A' 1554 1436 5.50      
6 A' 1546 1429 13.96      
7 A' 1476 1364 3.41      
8 A' 1228 1134 2.15      
9 A' 1078 996 0.13      
10 A' 918 848 1.69      
11 A' 422 390 17.49      
12 A' 357 330 9.23      
13 A' 154 142 0.26      
14 A" 3200 2957 23.14      
15 A" 3144 2905 5.11      
16 A" 3071 2837 23.65      
17 A" 1543 1426 0.77      
18 A" 1535 1418 0.97      
19 A" 1479 1367 7.32      
20 A" 1420 1312 2.74      
21 A" 1187 1096 0.00      
22 A" 981 907 0.60      
23 A" 971 897 0.15      
24 A" 125 116 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20041.2 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 18518.1 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/6-311+G(3df,2p)
ABC
1.24970 0.28133 0.25109

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 0.544 0.000
C2 -0.013 -0.200 1.290
C3 -0.013 -0.200 -1.290
H4 0.289 1.577 0.000
H5 -0.776 -0.974 1.295
H6 -0.776 -0.974 -1.295
H7 0.942 -0.701 1.463
H8 -0.191 0.456 2.134
H9 0.942 -0.701 -1.463
H10 -0.191 0.456 -2.134

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48881.48881.07642.13662.13662.14502.14312.14502.1431
C21.48882.57922.21651.08712.80411.09211.08392.95593.4903
C31.48882.57922.21652.80411.08712.95593.49031.09211.0839
H41.07642.21652.21653.05323.05322.78492.45782.78492.4578
H52.13661.08712.80413.05322.59051.74771.75823.26073.7612
H62.13662.80411.08713.05322.59053.26073.76121.74771.7582
H72.14501.09212.95592.78491.74773.26071.75302.92523.9442
H82.14311.08393.49032.45781.75823.76121.75303.94424.2677
H92.14502.95591.09212.78493.26071.74772.92523.94421.7530
H102.14313.49031.08392.45783.76121.75823.94424.26771.7530

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 111.125 C1 C2 H7 111.496
C1 C2 H8 111.852 C1 C3 H6 111.125
C1 C3 H9 111.496 C1 C3 H10 111.852
C2 C1 C3 120.035 C2 C1 H4 118.664
C3 C1 H4 118.664 H5 C2 H7 106.638
H5 C2 H8 108.155 H6 C3 H9 106.638
H6 C3 H10 108.155 H7 C2 H8 107.333
H9 C3 H10 107.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability