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

using model chemistry: B2PLYP/TZVP

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/TZVP
 hartrees
Energy at 0K-118.371098
Energy at 298.15K-118.377283
HF Energy-118.228532
Nuclear repulsion energy75.585355
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/TZVP
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' 3204 3058 26.99      
2 A' 3124 2982 19.88      
3 A' 3059 2920 48.68      
4 A' 2982 2846 50.07      
5 A' 1510 1441 4.64      
6 A' 1496 1428 16.32      
7 A' 1433 1368 4.28      
8 A' 1195 1141 2.00      
9 A' 1047 999 0.17      
10 A' 894 854 1.78      
11 A' 405 387 17.62      
12 A' 357 341 13.16      
13 A' 137 131 0.63      
14 A" 3125 2983 27.15      
15 A" 3059 2919 7.28      
16 A" 2978 2843 24.06      
17 A" 1497 1429 1.15      
18 A" 1485 1417 1.40      
19 A" 1430 1365 8.06      
20 A" 1387 1324 2.76      
21 A" 1159 1106 0.22      
22 A" 955 912 1.11      
23 A" 951 907 0.00      
24 A" 108 103 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19489.9 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 18601.2 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/TZVP
ABC
1.24917 0.27980 0.24990

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 0.539 0.000
C2 -0.011 -0.199 1.292
C3 -0.011 -0.199 -1.292
H4 0.242 1.590 0.000
H5 -0.765 -0.992 1.297
H6 -0.765 -0.992 -1.297
H7 0.954 -0.690 1.482
H8 -0.207 0.461 2.138
H9 0.954 -0.690 -1.482
H10 -0.207 0.461 -2.138

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48781.48781.08182.14302.14302.15372.14802.15372.1480
C21.48782.58452.22141.09382.81101.09981.08982.97833.4981
C31.48782.58452.22142.81101.09382.97833.49811.09981.0898
H41.08182.22142.22143.06013.06012.81122.45922.81122.4592
H52.14301.09382.81103.06012.59441.75471.76813.28173.7707
H62.14302.81101.09383.06012.59443.28173.77071.75471.7681
H72.15371.09982.97832.81121.75473.28171.76142.96413.9717
H82.14801.08983.49812.45921.76813.77071.76143.97174.2752
H92.15372.97831.09982.81123.28171.75472.96413.97171.7614
H102.14803.49811.08982.45923.77071.76813.97174.27521.7614

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 111.304 C1 C2 H7 111.802
C1 C2 H8 111.956 C1 C3 H6 111.304
C1 C3 H9 111.802 C1 C3 H10 111.956
C2 C1 C3 120.579 C2 C1 H4 118.801
C3 C1 H4 118.801 H5 C2 H7 106.247
H5 C2 H8 108.136 H6 C3 H9 106.247
H6 C3 H10 108.136 H7 C2 H8 107.111
H9 C3 H10 107.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.130      
2 C -0.326      
3 C -0.326      
4 H 0.120      
5 H 0.107      
6 H 0.107      
7 H 0.108      
8 H 0.115      
9 H 0.108      
10 H 0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.209 -0.134 0.000 0.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.901 0.404 0.000
y 0.404 -21.013 0.000
z 0.000 0.000 -21.029
Traceless
 xyz
x -0.880 0.404 0.000
y 0.404 0.452 0.000
z 0.000 0.000 0.428
Polar
3z2-r20.855
x2-y2-0.888
xy0.404
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.792 -0.020 0.000
y -0.020 5.417 0.000
z 0.000 0.000 6.144


<r2> (average value of r2) Å2
<r2> 61.473
(<r2>)1/2 7.840