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

using model chemistry: HF/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-117.687854
Energy at 298.15K-117.694293
HF Energy-117.687854
Nuclear repulsion energy75.614690
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/aug-cc-pVQZ
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' 3284 2983 42.30 92.74 0.15 0.26
2 A' 3213 2919 30.66 86.20 0.64 0.78
3 A' 3171 2881 59.33 179.68 0.19 0.32
4 A' 3101 2818 64.57 284.96 0.06 0.12
5 A' 1607 1460 4.86 7.27 0.73 0.85
6 A' 1603 1456 12.02 0.84 0.44 0.62
7 A' 1537 1397 2.44 0.72 0.27 0.43
8 A' 1274 1158 1.95 1.19 0.11 0.20
9 A' 1130 1026 0.47 0.17 0.54 0.70
10 A' 920 835 1.60 8.27 0.16 0.28
11 A' 475 431 18.88 0.62 0.46 0.63
12 A' 376 341 3.66 0.44 0.52 0.68
13 A' 172 157 0.10 0.33 0.75 0.86
14 A" 3213 2919 37.78 59.99 0.75 0.86
15 A" 3167 2878 11.07 18.25 0.75 0.86
16 A" 3097 2814 26.52 22.96 0.75 0.86
17 A" 1598 1452 0.57 3.14 0.75 0.86
18 A" 1591 1446 0.91 7.52 0.75 0.86
19 A" 1535 1394 4.64 0.87 0.75 0.86
20 A" 1473 1338 5.02 0.19 0.75 0.86
21 A" 1196 1087 0.04 2.98 0.75 0.86
22 A" 1021 928 0.34 0.33 0.75 0.86
23 A" 1008 916 0.22 0.01 0.75 0.86
24 A" 135 122 0.00 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20448.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 18577.0 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/aug-cc-pVQZ
ABC
1.25297 0.27839 0.24906

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.015 0.544 0.000
C2 -0.015 -0.200 1.297
C3 -0.015 -0.200 -1.297
H4 0.347 1.556 0.000
H5 -0.772 -0.979 1.303
H6 -0.772 -0.979 -1.303
H7 0.943 -0.688 1.478
H8 -0.205 0.459 2.135
H9 0.943 -0.688 -1.478
H10 -0.205 0.459 -2.135

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49571.49571.07522.14192.14192.14962.14482.14962.1448
C21.49572.59432.21371.08492.81731.09021.08262.97613.4997
C31.49572.59432.21372.81731.08492.97613.49971.09021.0826
H41.07522.21372.21373.06173.06172.75272.46312.75272.4631
H52.14191.08492.81733.06172.60591.74741.75453.27963.7688
H62.14192.81731.08493.06172.60593.27963.76881.74741.7545
H72.14961.09022.97612.75271.74743.27961.75042.95593.9603
H82.14481.08263.49972.46311.75453.76881.75043.96034.2694
H92.14962.97611.09022.75273.27961.74742.95593.96031.7504
H102.14483.49971.08262.46313.76881.75453.96034.26941.7504

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 111.202 C1 C2 H7 111.502
C1 C2 H8 111.585 C1 C3 H6 111.202
C1 C3 H9 111.502 C1 C3 H10 111.585
C2 C1 C3 120.287 C2 C1 H4 117.952
C3 C1 H4 117.952 H5 C2 H7 106.903
H5 C2 H8 108.084 H6 C3 H9 106.903
H6 C3 H10 108.084 H7 C2 H8 107.342
H9 C3 H10 107.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.378      
2 C -0.778      
3 C -0.778      
4 H 0.425      
5 H 0.242      
6 H 0.242      
7 H 0.249      
8 H 0.265      
9 H 0.249      
10 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.236 -0.112 0.000 0.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.494 0.503 0.000
y 0.503 -20.901 0.000
z 0.000 0.000 -21.007
Traceless
 xyz
x -0.540 0.503 0.000
y 0.503 0.349 0.000
z 0.000 0.000 0.190
Polar
3z2-r20.381
x2-y2-0.593
xy0.503
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.952 0.003 0.000
y 0.003 5.423 0.000
z 0.000 0.000 6.158


<r2> (average value of r2) Å2
<r2> 61.409
(<r2>)1/2 7.836