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

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-118.514160
Energy at 298.15K-118.520277
HF Energy-118.514160
Nuclear repulsion energy75.359530
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 B3LYP/6-311G**
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' 3163 3058 30.88      
2 A' 3082 2980 20.89      
3 A' 3013 2913 57.52      
4 A' 2936 2839 63.08      
5 A' 1492 1443 4.39      
6 A' 1480 1431 15.45      
7 A' 1413 1366 4.71      
8 A' 1178 1139 2.70      
9 A' 1028 994 0.11      
10 A' 883 854 2.03      
11 A' 394 381 11.93      
12 A' 352 341 14.42      
13 A' 116 112 0.63      
14 A" 3083 2981 31.67      
15 A" 3011 2911 8.53      
16 A" 2932 2835 26.00      
17 A" 1479 1429 1.38      
18 A" 1470 1421 1.06      
19 A" 1408 1361 7.76      
20 A" 1367 1322 2.75      
21 A" 1146 1108 0.25      
22 A" 945 914 1.20      
23 A" 939 908 0.00      
24 A" 111 107 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19210.4 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 18572.6 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 B3LYP/6-311G**
ABC
1.25003 0.27733 0.24794

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 0.535 0.000
C2 -0.010 -0.198 1.298
C3 -0.010 -0.198 -1.298
H4 0.207 1.598 0.000
H5 -0.759 -1.000 1.308
H6 -0.759 -1.000 -1.308
H7 0.959 -0.685 1.498
H8 -0.213 0.465 2.143
H9 0.959 -0.685 -1.498
H10 -0.213 0.465 -2.143

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49041.49041.08472.15122.15122.16182.15352.16182.1535
C21.49042.59552.22621.09752.82721.10361.09292.99883.5097
C31.49042.59552.22622.82721.09752.99883.50971.10361.0929
H41.08472.22622.22623.06473.06472.83242.46002.83242.4600
H52.15121.09752.82723.06472.61561.75751.77243.30513.7882
H62.15122.82721.09753.06472.61563.30513.78821.75751.7724
H72.16181.10362.99882.83241.75753.30511.76462.99543.9939
H82.15351.09293.50972.46001.77243.78821.76463.99394.2856
H92.16182.99881.10362.83243.30511.75752.99543.99391.7646
H102.15353.50971.09292.46003.78821.77243.99394.28561.7646

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 111.552 C1 C2 H7 112.030
C1 C2 H8 112.028 C1 C3 H6 111.552
C1 C3 H9 112.030 C1 C3 H10 112.028
C2 C1 C3 121.085 C2 C1 H4 118.802
C3 C1 H4 118.802 H5 C2 H7 105.964
H5 C2 H8 108.032 H6 C3 H9 105.964
H6 C3 H10 108.032 H7 C2 H8 106.904
H9 C3 H10 106.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.193      
2 C -0.289      
3 C -0.289      
4 H 0.111      
5 H 0.108      
6 H 0.108      
7 H 0.110      
8 H 0.112      
9 H 0.110      
10 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.159 -0.108 0.000 0.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.756 0.307 0.000
y 0.307 -20.771 0.000
z 0.000 0.000 -20.841
Traceless
 xyz
x -0.950 0.307 0.000
y 0.307 0.528 0.000
z 0.000 0.000 0.423
Polar
3z2-r20.845
x2-y2-0.985
xy0.307
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.449 0.024 0.000
y 0.024 5.254 0.000
z 0.000 0.000 6.144


<r2> (average value of r2) Å2
<r2> 61.735
(<r2>)1/2 7.857