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

using model chemistry: B2PLYP=FULLultrafine/6-31G

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=FULLultrafine/6-31G
 hartrees
Energy at 0K-118.240151
Energy at 298.15K 
HF Energy-118.153470
Nuclear repulsion energy75.067093
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=FULLultrafine/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' 3211 3211 35.58      
2 A' 3130 3130 23.42      
3 A' 3065 3065 62.67      
4 A' 2990 2990 49.94      
5 A' 1559 1559 4.78      
6 A' 1545 1545 15.07      
7 A' 1484 1484 3.95      
8 A' 1229 1229 4.37      
9 A' 1083 1083 0.73      
10 A' 899 899 1.55      
11 A' 409 409 15.37      
12 A' 365 365 13.33      
13 A' 121 121 0.46      
14 A" 3130 3130 31.28      
15 A" 3064 3064 6.55      
16 A" 2986 2986 26.55      
17 A" 1548 1548 1.89      
18 A" 1535 1535 0.73      
19 A" 1469 1469 5.16      
20 A" 1426 1426 7.10      
21 A" 1181 1181 0.25      
22 A" 998 998 0.88      
23 A" 983 983 0.54      
24 A" 115 115 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19762.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19762.4 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=FULLultrafine/6-31G
ABC
1.23897 0.27487 0.24571

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 0.540 0.000
C2 -0.010 -0.200 1.304
C3 -0.010 -0.200 -1.304
H4 0.215 1.603 0.000
H5 -0.759 -1.004 1.305
H6 -0.759 -1.004 -1.305
H7 0.963 -0.681 1.509
H8 -0.224 0.464 2.148
H9 0.963 -0.681 -1.509
H10 -0.224 0.464 -2.148

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49951.49951.08652.15582.15582.17122.16002.17122.1600
C21.49952.60892.23631.09892.83181.10441.09483.01583.5223
C31.49952.60892.23632.83181.09893.01583.52231.10441.0948
H41.08652.23632.23633.07353.07352.83782.47042.83782.4704
H52.15581.09892.83183.07352.61081.76341.77503.31523.7904
H62.15582.83181.09893.07352.61083.31523.79041.76341.7750
H72.17121.10443.01582.83781.76343.31521.76913.01864.0122
H82.16001.09483.52232.47041.77503.79041.76914.01224.2960
H92.17123.01581.10442.83783.31521.76343.01864.01221.7691
H102.16003.52231.09482.47043.79041.77504.01224.29601.7691

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 111.198 C1 C2 H7 112.106
C1 C2 H8 111.786 C1 C3 H6 111.198
C1 C3 H9 112.106 C1 C3 H10 111.786
C2 C1 C3 120.905 C2 C1 H4 118.847
C3 C1 H4 118.847 H5 C2 H7 106.331
H5 C2 H8 108.026 H6 C3 H9 106.331
H6 C3 H10 108.026 H7 C2 H8 107.112
H9 C3 H10 107.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability