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

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-118.489651
Energy at 298.15K-118.495653
HF Energy-118.489651
Nuclear repulsion energy75.170119
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 B3LYPultrafine/aug-cc-pVDZ
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' 3182 3088 24.18      
2 A' 3097 3005 16.29      
3 A' 3007 2918 56.07      
4 A' 2949 2861 56.74      
5 A' 1462 1419 4.42      
6 A' 1446 1403 13.03      
7 A' 1386 1345 4.48      
8 A' 1167 1133 1.92      
9 A' 998 969 0.02      
10 A' 890 864 2.07      
11 A' 379 368 3.91      
12 A' 332 322 21.20      
13 A' 89 86 2.68      
14 A" 3098 3006 29.57      
15 A" 3007 2918 5.99      
16 A" 2944 2857 27.25      
17 A" 1446 1403 0.44      
18 A" 1435 1393 0.89      
19 A" 1401 1359 8.81      
20 A" 1349 1309 0.91      
21 A" 1152 1118 0.16      
22 A" 932 904 0.15      
23 A" 927 899 0.40      
24 A" 99 97 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19086.9 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 18521.9 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 B3LYPultrafine/aug-cc-pVDZ
ABC
1.23704 0.27711 0.24735

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 0.537 0.000
C2 -0.007 -0.198 1.298
C3 -0.007 -0.198 -1.298
H4 0.149 1.617 0.000
H5 -0.811 -0.954 1.336
H6 -0.811 -0.954 -1.336
H7 0.938 -0.755 1.459
H8 -0.136 0.478 2.154
H9 0.938 -0.755 -1.459
H10 -0.136 0.478 -2.154

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49191.49191.09072.15762.15762.16562.15832.16562.1583
C21.49192.59632.23661.10442.85591.10881.09822.96703.5198
C31.49192.59632.23662.85591.10442.96703.51981.10881.0982
H41.09072.23662.23663.05213.05212.89372.45252.89372.4525
H52.15761.10442.85593.05212.67171.76501.78263.30283.8321
H62.15762.85591.10443.05212.67173.30283.83211.76501.7826
H72.16561.10882.96702.89371.76503.30281.77702.91703.9651
H82.15831.09823.51982.45251.78263.83211.77703.96514.3072
H92.16562.96701.10882.89373.30281.76502.91703.96511.7770
H102.15833.51981.09822.45253.83211.78263.96514.30721.7770

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 111.538 C1 C2 H7 111.914
C1 C2 H8 111.980 C1 C3 H6 111.538
C1 C3 H9 111.914 C1 C3 H10 111.980
C2 C1 C3 120.954 C2 C1 H4 119.190
C3 C1 H4 119.190 H5 C2 H7 105.783
H5 C2 H8 108.054 H6 C3 H9 105.783
H6 C3 H10 108.054 H7 C2 H8 107.251
H9 C3 H10 107.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.672      
2 C 0.708      
3 C 0.708      
4 H -0.669      
5 H -0.215      
6 H -0.215      
7 H -0.194      
8 H -0.300      
9 H -0.194      
10 H -0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.119 -0.121 0.000 0.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.994 0.258 0.000
y 0.258 -21.115 0.000
z 0.000 0.000 -21.099
Traceless
 xyz
x -0.887 0.258 0.000
y 0.258 0.431 0.000
z 0.000 0.000 0.456
Polar
3z2-r20.912
x2-y2-0.878
xy0.258
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.496 -0.058 0.000
y -0.058 6.141 0.000
z 0.000 0.000 7.060


<r2> (average value of r2) Å2
<r2> 62.060
(<r2>)1/2 7.878