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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-118.480236
Energy at 298.15K-118.486380
HF Energy-118.480236
Nuclear repulsion energy75.569938
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 mPW1PW91/6-311G**
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' 3193 3055 28.87      
2 A' 3121 2986 18.98      
3 A' 3053 2921 53.26      
4 A' 2978 2849 49.11      
5 A' 1494 1429 5.07      
6 A' 1482 1417 17.32      
7 A' 1411 1350 5.56      
8 A' 1181 1130 3.08      
9 A' 1028 984 0.21      
10 A' 899 860 2.32      
11 A' 398 381 15.17      
12 A' 354 339 12.92      
13 A' 122 117 0.48      
14 A" 3122 2987 25.84      
15 A" 3053 2921 6.63      
16 A" 2973 2844 28.73      
17 A" 1480 1416 0.99      
18 A" 1471 1407 1.93      
19 A" 1417 1356 10.40      
20 A" 1366 1307 1.00      
21 A" 1165 1114 0.14      
22 A" 943 902 1.29      
23 A" 938 897 0.07      
24 A" 113 108 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19376.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 18537.5 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 mPW1PW91/6-311G**
ABC
1.25384 0.27944 0.24976

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 0.535 0.000
C2 -0.010 -0.197 1.292
C3 -0.010 -0.197 -1.292
H4 0.218 1.594 0.000
H5 -0.754 -1.002 1.298
H6 -0.754 -1.002 -1.298
H7 0.960 -0.677 1.495
H8 -0.221 0.462 2.136
H9 0.960 -0.677 -1.495
H10 -0.221 0.462 -2.136

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48531.48531.08422.14442.14442.15522.14802.15522.1480
C21.48532.58492.22101.09592.81241.10171.09172.99003.4982
C31.48532.58492.22102.81241.09592.99003.49821.10171.0917
H41.08422.22102.22103.06133.06132.81882.45732.81882.4573
H52.14441.09592.81243.06132.59531.75631.77013.29273.7713
H62.14442.81241.09593.06132.59533.29273.77131.75631.7701
H72.15521.10172.99002.81881.75633.29271.76262.98913.9848
H82.14801.09173.49822.45731.77013.77131.76263.98484.2729
H92.15522.99001.10172.81883.29271.75632.98913.98481.7626
H102.14803.49821.09172.45733.77131.77013.98484.27291.7626

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 111.467 C1 C2 H7 111.976
C1 C2 H8 112.020 C1 C3 H6 111.467
C1 C3 H9 111.976 C1 C3 H10 112.020
C2 C1 C3 120.957 C2 C1 H4 118.796
C3 C1 H4 118.796 H5 C2 H7 106.102
H5 C2 H8 108.018 H6 C3 H9 106.102
H6 C3 H10 108.018 H7 C2 H8 106.940
H9 C3 H10 106.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 C -0.331      
3 C -0.331      
4 H 0.124      
5 H 0.123      
6 H 0.123      
7 H 0.125      
8 H 0.127      
9 H 0.125      
10 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.172 -0.123 0.000 0.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.507 0.329 0.000
y 0.329 -20.483 0.000
z 0.000 0.000 -20.532
Traceless
 xyz
x -0.999 0.329 0.000
y 0.329 0.536 0.000
z 0.000 0.000 0.463
Polar
3z2-r20.926
x2-y2-1.023
xy0.329
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.393 0.027 0.000
y 0.027 5.169 0.000
z 0.000 0.000 6.026


<r2> (average value of r2) Å2
<r2> 61.234
(<r2>)1/2 7.825