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

using model chemistry: B2PLYP=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at B2PLYP=FULL/STO-3G
 hartrees
Energy at 0K-116.826761
Energy at 298.15K-116.832884
HF Energy-116.778507
Nuclear repulsion energy74.287091
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 B2PLYP=FULL/STO-3G
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' 3518 3518 3.47      
2 A' 3482 3482 3.01      
3 A' 3470 3470 4.17      
4 A' 3320 3320 1.35      
5 A' 1713 1713 2.76      
6 A' 1704 1704 5.89      
7 A' 1608 1608 1.22      
8 A' 1295 1295 7.69      
9 A' 1157 1157 1.53      
10 A' 949 949 0.69      
11 A' 476 476 7.59      
12 A' 367 367 2.41      
13 A' 137 137 0.12      
14 A" 3515 3515 0.63      
15 A" 3470 3470 0.33      
16 A" 3319 3319 3.38      
17 A" 1710 1710 0.20      
18 A" 1699 1699 0.08      
19 A" 1600 1600 1.70      
20 A" 1515 1515 18.49      
21 A" 1236 1236 0.02      
22 A" 1058 1058 0.02      
23 A" 1032 1032 0.74      
24 A" 117 117 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21733.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21733.4 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 B2PLYP=FULL/STO-3G
ABC
1.21264 0.26798 0.24005

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 0.552 0.000
C2 -0.017 -0.205 1.323
C3 -0.017 -0.205 -1.323
H4 0.390 1.572 0.000
H5 -0.724 -1.049 1.292
H6 -0.724 -1.049 -1.292
H7 0.982 -0.620 1.555
H8 -0.301 0.457 2.155
H9 0.982 -0.620 -1.555
H10 -0.301 0.457 -2.155

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.52461.52461.09812.17572.17572.18832.17612.18832.1761
C21.52462.64612.25291.10112.83761.10581.10073.07453.5521
C31.52462.64612.25292.83761.10113.07453.55211.10581.1007
H41.09812.25292.25293.12753.12752.75202.52352.75202.5235
H52.17571.10112.83763.12752.58481.77831.78583.34693.7856
H62.17572.83761.10113.12752.58483.34693.78561.77831.7858
H72.18831.10583.07452.75201.77833.34691.77913.11014.0708
H82.17611.10073.55212.52351.78583.78561.77914.07084.3105
H92.18833.07451.10582.75203.34691.77833.11014.07081.7791
H102.17613.55211.10072.52353.78561.78584.07084.31051.7791

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 110.889 C1 C2 H7 111.608
C1 C2 H8 110.937 C1 C3 H6 110.889
C1 C3 H9 111.608 C1 C3 H10 110.937
C2 C1 C3 120.410 C2 C1 H4 117.490
C3 C1 H4 117.490 H5 C2 H7 107.375
H5 C2 H8 108.400 H6 C3 H9 107.375
H6 C3 H10 108.400 H7 C2 H8 107.469
H9 C3 H10 107.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability