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

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVDZ
 hartrees
Energy at 0K-118.447102
Energy at 298.15K-118.453284
HF Energy-118.447102
Nuclear repulsion energy75.300130
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 wB97X-D/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' 3212 3074 26.03      
2 A' 3131 2997 16.53      
3 A' 3044 2914 53.70      
4 A' 2979 2852 45.83      
5 A' 1473 1410 6.05      
6 A' 1456 1394 15.27      
7 A' 1393 1334 4.67      
8 A' 1174 1124 2.37      
9 A' 1008 965 0.01      
10 A' 901 862 2.12      
11 A' 390 373 9.63      
12 A' 349 334 19.24      
13 A' 136 130 1.15      
14 A" 3132 2998 27.97      
15 A" 3044 2914 3.85      
16 A" 2975 2848 29.14      
17 A" 1458 1396 0.70      
18 A" 1445 1383 1.60      
19 A" 1413 1353 9.87      
20 A" 1347 1290 0.52      
21 A" 1160 1111 0.08      
22 A" 937 897 0.58      
23 A" 932 893 0.09      
24 A" 134 128 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19309.7 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 18485.2 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 wB97X-D/aug-cc-pVDZ
ABC
1.23498 0.27883 0.24871

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 0.539 0.000
C2 -0.008 -0.199 1.294
C3 -0.008 -0.199 -1.294
H4 0.173 1.615 0.000
H5 -0.793 -0.974 1.314
H6 -0.793 -0.974 -1.314
H7 0.950 -0.728 1.463
H8 -0.167 0.472 2.148
H9 0.950 -0.728 -1.463
H10 -0.167 0.472 -2.148

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48991.48991.09062.15192.15192.15962.15522.15962.1552
C21.48992.58842.23531.10282.83161.10741.09752.96663.5108
C31.48992.58842.23532.83161.10282.96663.51081.10741.0975
H41.09062.23532.23533.05923.05922.86892.45702.86892.4570
H52.15191.10282.83163.05922.62771.76651.78273.28783.8037
H62.15192.83161.10283.05922.62773.28783.80371.76651.7827
H72.15961.10742.96662.86891.76653.28781.77622.92633.9659
H82.15521.09753.51082.45701.78273.80371.77623.96594.2966
H92.15962.96661.10742.86893.28781.76652.92633.96591.7762
H102.15523.51081.09752.45703.80371.78273.96594.29661.7762

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 111.318 C1 C2 H7 111.658
C1 C2 H8 111.919 C1 C3 H6 111.318
C1 C3 H9 111.658 C1 C3 H10 111.919
C2 C1 C3 120.606 C2 C1 H4 119.244
C3 C1 H4 119.244 H5 C2 H7 106.111
H5 C2 H8 108.228 H6 C3 H9 106.111
H6 C3 H10 108.228 H7 C2 H8 107.328
H9 C3 H10 107.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.504      
2 C 0.398      
3 C 0.398      
4 H -0.548      
5 H -0.115      
6 H -0.115      
7 H -0.085      
8 H -0.176      
9 H -0.085      
10 H -0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.146 -0.141 0.000 0.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.701 0.295 0.000
y 0.295 -20.757 0.000
z 0.000 0.000 -20.705
Traceless
 xyz
x -0.970 0.295 0.000
y 0.295 0.446 0.000
z 0.000 0.000 0.524
Polar
3z2-r21.048
x2-y2-0.944
xy0.295
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.400 -0.047 0.000
y -0.047 5.991 0.000
z 0.000 0.000 6.841


<r2> (average value of r2) Å2
<r2> 61.589
(<r2>)1/2 7.848