return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H7 (n-Propyl radical)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-118.454031
Energy at 298.15K 
HF Energy-118.454031
Nuclear repulsion energy75.912141
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 mPW1PW91/6-31+G**
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 3287 3129 14.01      
2 A 3180 3027 16.80      
3 A 3149 2997 28.57      
4 A 3143 2992 34.82      
5 A 3064 2917 32.48      
6 A 3062 2915 18.34      
7 A 2982 2838 31.98      
8 A 1513 1440 5.16      
9 A 1505 1433 8.87      
10 A 1477 1406 0.11      
11 A 1474 1403 5.40      
12 A 1419 1350 4.40      
13 A 1366 1300 1.89      
14 A 1272 1211 0.19      
15 A 1179 1122 0.28      
16 A 1107 1054 0.28      
17 A 1054 1003 1.15      
18 A 931 886 2.10      
19 A 896 853 0.26      
20 A 758 722 1.23      
21 A 485 462 64.74      
22 A 371 353 3.28      
23 A 250 238 0.06      
24 A 105 100 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 19514.7 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 18574.1 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 mPW1PW91/6-31+G**
ABC
1.10060 0.30016 0.26009

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.300 -0.293 -0.028
C2 0.079 0.553 0.048
C3 -1.222 -0.243 -0.035
H4 -2.094 0.414 0.025
H5 -1.282 -0.797 -0.976
H6 -1.291 -0.967 0.783
H7 0.084 1.131 0.988
H8 0.105 1.309 -0.747
H9 2.263 0.137 -0.277
H10 1.277 -1.329 0.295

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48732.52233.46732.79572.79732.13082.12431.08411.0850
C21.48731.52732.17782.17292.17411.10351.09762.24722.2446
C32.52231.52731.09331.09361.09432.15362.16273.51422.7450
H43.46732.17781.09331.76821.76782.48712.49684.37663.8049
H52.79572.17291.09361.76821.76673.07212.53233.73182.9062
H62.79732.17411.09431.76781.76672.51673.07743.86992.6395
H72.13081.10352.15362.48713.07212.51671.74402.70922.8208
H82.12431.09762.16272.49682.53233.07741.74402.50063.0692
H91.08412.24723.51424.37663.73183.86992.70922.50061.8568
H101.08502.24462.74503.80492.90622.63952.82083.06921.8568

picture of n-Propyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.579 C1 C2 H7 109.772
C1 C2 H8 109.608 C2 C1 H9 121.029
C2 C1 H10 120.715 C2 C3 H4 111.334
C2 C3 H5 110.926 C2 C3 H6 110.984
C3 C2 H7 108.829 C3 C2 H8 109.880
H4 C3 H5 107.908 H4 C3 H6 107.829
H5 C3 H6 107.705 H7 C2 H8 104.801
H9 C1 H10 117.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.310      
2 C -0.270      
3 C -0.583      
4 H 0.166      
5 H 0.173      
6 H 0.167      
7 H 0.175      
8 H 0.171      
9 H 0.157      
10 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.205 0.250 0.133 0.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.270 0.132 -0.108
y 0.132 -20.662 -0.521
z -0.108 -0.521 -21.768
Traceless
 xyz
x -0.055 0.132 -0.108
y 0.132 0.857 -0.521
z -0.108 -0.521 -0.802
Polar
3z2-r2-1.603
x2-y2-0.608
xy0.132
xz-0.108
yz-0.521


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.910 -0.155 -0.066
y -0.155 5.291 0.032
z -0.066 0.032 4.844


<r2> (average value of r2) Å2
<r2> 59.375
(<r2>)1/2 7.706