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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-117.683124
Energy at 298.15K-117.689556
HF Energy-117.683124
Nuclear repulsion energy75.586037
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 HF/Def2TZVPP
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' 3286 2978 43.80 91.08 0.17 0.30
2 A' 3215 2914 31.69 93.42 0.66 0.80
3 A' 3175 2878 61.35 171.94 0.20 0.33
4 A' 3105 2815 62.97 260.01 0.07 0.14
5 A' 1607 1456 4.71 10.80 0.75 0.86
6 A' 1603 1453 12.12 1.51 0.59 0.74
7 A' 1537 1393 2.57 0.79 0.44 0.61
8 A' 1273 1154 1.97 1.21 0.16 0.28
9 A' 1130 1024 0.55 0.31 0.37 0.54
10 A' 919 833 1.62 8.40 0.20 0.33
11 A' 479 434 18.85 1.70 0.46 0.63
12 A' 377 341 3.35 0.29 0.54 0.70
13 A' 171 155 0.12 0.40 0.74 0.85
14 A" 3216 2915 37.35 63.81 0.75 0.86
15 A" 3171 2874 11.42 18.90 0.75 0.86
16 A" 3101 2811 27.33 21.44 0.75 0.86
17 A" 1598 1448 0.58 4.59 0.75 0.86
18 A" 1591 1442 1.01 11.40 0.75 0.86
19 A" 1534 1391 4.67 1.74 0.75 0.86
20 A" 1472 1334 4.96 0.26 0.75 0.86
21 A" 1196 1084 0.03 3.56 0.75 0.86
22 A" 1020 925 0.34 1.61 0.75 0.86
23 A" 1007 913 0.24 0.05 0.75 0.86
24 A" 133 120 0.00 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20457.2 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 18542.4 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 HF/Def2TZVPP
ABC
1.25308 0.27807 0.24884

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 0.544 0.000
C2 -0.016 -0.200 1.298
C3 -0.016 -0.200 -1.298
H4 0.350 1.556 0.000
H5 -0.765 -0.985 1.300
H6 -0.765 -0.985 -1.300
H7 0.946 -0.679 1.484
H8 -0.216 0.458 2.134
H9 0.946 -0.679 -1.484
H10 -0.216 0.458 -2.134

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49611.49611.07572.14252.14252.15042.14542.15042.1454
C21.49612.59582.21391.08532.81561.09051.08312.98253.5005
C31.49612.59582.21392.81561.08532.98253.50051.09051.0831
H41.07572.21392.21393.06413.06412.74852.46572.74852.4657
H52.14251.08532.81563.06412.60031.74831.75523.28263.7657
H62.14252.81561.08533.06412.60033.28263.76571.74831.7552
H72.15041.09052.98252.74851.74833.28261.75102.96863.9671
H82.14541.08313.50052.46571.75523.76571.75103.96714.2686
H92.15042.98251.09052.74853.28261.74832.96863.96711.7510
H102.14543.50051.08312.46573.76571.75523.96714.26861.7510

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 111.192 C1 C2 H7 111.515
C1 C2 H8 111.564 C1 C3 H6 111.192
C1 C3 H9 111.515 C1 C3 H10 111.564
C2 C1 C3 120.341 C2 C1 H4 117.897
C3 C1 H4 117.897 H5 C2 H7 106.930
H5 C2 H8 108.081 H6 C3 H9 106.930
H6 C3 H10 108.081 H7 C2 H8 107.336
H9 C3 H10 107.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 C -0.152      
3 C -0.152      
4 H 0.052      
5 H 0.050      
6 H 0.050      
7 H 0.050      
8 H 0.064      
9 H 0.050      
10 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.233 -0.103 0.000 0.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.510 0.492 0.000
y 0.492 -20.911 0.000
z 0.000 0.000 -21.033
Traceless
 xyz
x -0.539 0.492 0.000
y 0.492 0.361 0.000
z 0.000 0.000 0.178
Polar
3z2-r20.356
x2-y2-0.599
xy0.492
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.716 0.037 0.000
y 0.037 5.222 0.000
z 0.000 0.000 5.931


<r2> (average value of r2) Å2
<r2> 61.464
(<r2>)1/2 7.840