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

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-118.390980
Energy at 298.15K-118.397040
HF Energy-118.390980
Nuclear repulsion energy74.619029
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 BLYP/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' 3076 3081 33.42      
2 A' 3006 3011 18.92      
3 A' 2936 2941 51.15      
4 A' 2839 2844 65.73      
5 A' 1420 1422 2.57      
6 A' 1408 1410 9.31      
7 A' 1350 1352 2.40      
8 A' 1133 1135 2.43      
9 A' 989 990 0.25      
10 A' 863 864 1.80      
11 A' 397 397 11.89      
12 A' 355 355 6.50      
13 A' 118 118 0.14      
14 A" 3008 3013 29.07      
15 A" 2934 2939 11.38      
16 A" 2833 2838 30.95      
17 A" 1407 1410 0.06      
18 A" 1399 1401 0.99      
19 A" 1347 1349 4.19      
20 A" 1312 1314 6.10      
21 A" 1118 1120 0.30      
22 A" 906 907 0.46      
23 A" 899 901 1.19      
24 A" 108 108 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 18579.4 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 18609.2 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 BLYP/cc-pVDZ
ABC
1.22795 0.27254 0.24384

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 0.536 0.000
C2 -0.012 -0.197 1.307
C3 -0.012 -0.197 -1.307
H4 0.229 1.612 0.000
H5 -0.740 -1.040 1.309
H6 -0.740 -1.040 -1.309
H7 0.984 -0.660 1.534
H8 -0.251 0.468 2.162
H9 0.984 -0.660 -1.534
H10 -0.251 0.468 -2.162

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49891.49891.10212.17432.17432.18602.17632.18602.1763
C21.49892.61442.24481.11372.84321.12191.10933.04653.5405
C31.49892.61442.24482.84321.11373.04653.54051.12191.1093
H41.10212.24482.24483.11183.11182.84392.49262.84392.4926
H52.17431.11372.84323.11182.61771.78011.80013.34683.8156
H62.17432.84321.11373.11182.61773.34683.81561.78011.8001
H72.18601.12193.04652.84391.78013.34681.78733.06854.0574
H82.17631.10933.54052.49261.80013.81561.78734.05744.3240
H92.18603.04651.12192.84393.34681.78013.06854.05741.7873
H102.17633.54051.10932.49263.81561.80014.05744.32401.7873

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 111.811 C1 C2 H7 112.242
C1 C2 H8 112.245 C1 C3 H6 111.811
C1 C3 H9 112.242 C1 C3 H10 112.245
C2 C1 C3 121.403 C2 C1 H4 118.525
C3 C1 H4 118.525 H5 C2 H7 105.543
H5 C2 H8 108.143 H6 C3 H9 105.543
H6 C3 H10 108.143 H7 C2 H8 106.461
H9 C3 H10 106.461
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.131      
2 C 0.042      
3 C 0.042      
4 H -0.022      
5 H 0.009      
6 H 0.009      
7 H 0.015      
8 H 0.010      
9 H 0.015      
10 H 0.010      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.155 -0.137 0.000 0.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.656 0.267 0.000
y 0.267 -20.813 0.000
z 0.000 0.000 -20.718
Traceless
 xyz
x -0.890 0.267 0.000
y 0.267 0.374 0.000
z 0.000 0.000 0.517
Polar
3z2-r21.033
x2-y2-0.843
xy0.267
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.348 0.053 0.000
y 0.053 5.319 0.000
z 0.000 0.000 6.410


<r2> (average value of r2) Å2
<r2> 62.620
(<r2>)1/2 7.913