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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-118.355454
Energy at 298.15K-118.361633
HF Energy-118.209089
Nuclear repulsion energy75.446097
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/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' 3197 3197 35.32      
2 A' 3123 3123 23.27      
3 A' 3060 3060 59.13      
4 A' 2983 2983 57.52      
5 A' 1529 1529 5.45      
6 A' 1517 1517 18.05      
7 A' 1447 1447 4.98      
8 A' 1201 1201 2.64      
9 A' 1053 1053 0.09      
10 A' 898 898 1.94      
11 A' 402 402 13.97      
12 A' 351 351 15.36      
13 A' 133 133 0.61      
14 A" 3124 3124 31.53      
15 A" 3059 3059 8.14      
16 A" 2979 2979 26.48      
17 A" 1516 1516 1.63      
18 A" 1505 1505 1.37      
19 A" 1444 1444 9.17      
20 A" 1394 1394 2.14      
21 A" 1165 1165 0.12      
22 A" 963 963 1.16      
23 A" 956 956 0.11      
24 A" 116 116 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19557.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19557.5 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 B2PLYP=FULL/6-311G*
ABC
1.24710 0.27845 0.24877

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 0.539 0.000
C2 -0.012 -0.198 1.295
C3 -0.012 -0.198 -1.295
H4 0.246 1.592 0.000
H5 -0.768 -0.990 1.305
H6 -0.768 -0.990 -1.305
H7 0.953 -0.694 1.487
H8 -0.204 0.462 2.142
H9 0.953 -0.694 -1.487
H10 -0.204 0.462 -2.142

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49041.49041.08392.14842.14842.15912.15222.15912.1522
C21.49042.59022.22471.09522.82161.10111.09132.98573.5055
C31.49042.59022.22472.82161.09522.98573.50551.10111.0913
H41.08392.22472.22473.06623.06622.81712.46352.81712.4635
H52.14841.09522.82163.06622.61061.75551.76853.29313.7832
H62.14842.82161.09523.06622.61063.29313.78321.75551.7685
H72.15911.10112.98572.81711.75553.29311.76222.97363.9806
H82.15221.09133.50552.46351.76853.78321.76223.98064.2844
H92.15912.98571.10112.81713.29311.75552.97363.98061.7622
H102.15223.50551.09132.46353.78321.76853.98064.28441.7622

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 111.468 C1 C2 H7 111.968
C1 C2 H8 112.024 C1 C3 H6 111.468
C1 C3 H9 111.968 C1 C3 H10 112.024
C2 C1 C3 120.674 C2 C1 H4 118.730
C3 C1 H4 118.730 H5 C2 H7 106.122
H5 C2 H8 107.961 H6 C3 H9 106.122
H6 C3 H10 107.961 H7 C2 H8 106.980
H9 C3 H10 106.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability