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

using model chemistry: B2PLYP=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-118.409162
Energy at 298.15K-118.415332
HF Energy-118.231123
Nuclear repulsion energy75.731736
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/cc-pVTZ
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' 3206 3064 24.53      
2 A' 3118 2980 17.54      
3 A' 3052 2917 45.84      
4 A' 2978 2846 48.98      
5 A' 1507 1441 4.30      
6 A' 1497 1431 13.40      
7 A' 1425 1362 4.15      
8 A' 1193 1140 2.23      
9 A' 1041 995 0.04      
10 A' 896 857 1.83      
11 A' 400 382 12.95      
12 A' 354 338 11.78      
13 A' 126 121 0.57      
14 A" 3119 2981 26.66      
15 A" 3051 2916 6.86      
16 A" 2975 2843 22.49      
17 A" 1495 1429 0.75      
18 A" 1486 1420 0.83      
19 A" 1424 1362 8.07      
20 A" 1382 1321 2.41      
21 A" 1160 1108 0.16      
22 A" 954 911 1.01      
23 A" 947 905 0.02      
24 A" 115 110 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19448.5 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 18588.9 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/cc-pVTZ
ABC
1.25359 0.28095 0.25082

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 0.538 0.000
C2 -0.011 -0.198 1.290
C3 -0.011 -0.198 -1.290
H4 0.225 1.591 0.000
H5 -0.762 -0.991 1.294
H6 -0.762 -0.991 -1.294
H7 0.952 -0.690 1.478
H8 -0.205 0.458 2.135
H9 0.952 -0.690 -1.478
H10 -0.205 0.458 -2.135

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48501.48501.07862.13902.13902.14962.14502.14962.1450
C21.48502.57932.21781.09182.80491.09771.08752.97183.4921
C31.48502.57932.21782.80491.09182.97183.49211.09771.0875
H41.07862.21782.21783.05153.05152.81332.45442.81332.4544
H52.13901.09182.80493.05152.58811.75001.76513.27343.7636
H62.13902.80491.09183.05152.58813.27343.76361.75001.7651
H72.14961.09772.97182.81331.75003.27341.75762.95683.9639
H82.14501.08753.49212.45441.76513.76361.75763.96394.2693
H92.14962.97181.09772.81333.27341.75002.95683.96391.7576
H102.14503.49211.08752.45443.76361.76513.96394.26931.7576

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 111.304 C1 C2 H7 111.801
C1 C2 H8 112.057 C1 C3 H6 111.304
C1 C3 H9 111.801 C1 C3 H10 112.057
C2 C1 C3 120.561 C2 C1 H4 118.930
C3 C1 H4 118.930 H5 C2 H7 106.120
H5 C2 H8 108.175 H6 C3 H9 106.120
H6 C3 H10 108.175 H7 C2 H8 107.086
H9 C3 H10 107.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability