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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-118.074974
Energy at 298.15K-118.081230
HF Energy-117.635265
Nuclear repulsion energy75.177768
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 CCSD(T)=FULL/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' 3183 3090        
2 A' 3120 3029        
3 A' 3065 2975        
4 A' 2987 2900        
5 A' 1539 1494        
6 A' 1527 1482        
7 A' 1461 1418        
8 A' 1211 1175        
9 A' 1072 1040        
10 A' 904 878        
11 A' 431 418        
12 A' 361 351        
13 A' 151 146        
14 A" 3121 3029        
15 A" 3064 2974        
16 A" 2983 2896        
17 A" 1529 1484        
18 A" 1517 1472        
19 A" 1461 1418        
20 A" 1408 1367        
21 A" 1177 1142        
22 A" 972 943        
23 A" 959 931        
24 A" 126 122        

Unscaled Zero Point Vibrational Energy (zpe) 19663.2 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 19087.1 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 CCSD(T)=FULL/6-31G*
ABC
1.23197 0.27727 0.24771

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

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 1.298
C3 -0.013 -0.200 -1.298
H4 0.295 1.590 0.000
H5 -0.765 -1.004 1.292
H6 -0.765 -1.004 -1.292
H7 0.962 -0.682 1.497
H8 -0.228 0.463 2.146
H9 0.962 -0.682 -1.497
H10 -0.228 0.463 -2.146

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49591.49591.09042.15172.15172.16712.15792.16712.1579
C21.49592.59552.23221.10052.81411.10611.09752.99933.5132
C31.49592.59552.23222.81411.10052.99933.51321.10611.0975
H41.09042.23222.23223.08533.08532.80152.47932.80152.4793
H52.15171.10052.81413.08532.58441.76911.77973.29683.7759
H62.15172.81411.10053.08532.58443.29683.77591.76911.7797
H72.16711.10612.99932.80151.76913.29681.77402.99473.9998
H82.15791.09753.51322.47931.77973.77591.77403.99984.2912
H92.16712.99931.10612.80153.29681.76912.99473.99981.7740
H102.15793.51321.09752.47933.77591.77973.99984.29121.7740

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 111.019 C1 C2 H7 111.917
C1 C2 H8 111.702 C1 C3 H6 111.019
C1 C3 H9 111.917 C1 C3 H10 111.702
C2 C1 C3 120.350 C2 C1 H4 118.494
C3 C1 H4 118.494 H5 C2 H7 106.591
H5 C2 H8 108.129 H6 C3 H9 106.591
H6 C3 H10 108.129 H7 C2 H8 107.235
H9 C3 H10 107.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability