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: PBEPBEultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-118.296292
Energy at 298.15K 
HF Energy-118.296292
Nuclear repulsion energy75.460847
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 PBEPBEultrafine/6-31G**
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 3196 3153 16.73      
2 A 3093 3050 16.99      
3 A 3067 3025 26.11      
4 A 3060 3018 32.90      
5 A 2983 2942 27.54      
6 A 2966 2925 22.00      
7 A 2870 2831 34.12      
8 A 1472 1451 3.25      
9 A 1462 1442 5.53      
10 A 1430 1411 0.25      
11 A 1426 1406 2.78      
12 A 1371 1352 1.75      
13 A 1319 1301 3.02      
14 A 1228 1211 0.37      
15 A 1143 1128 0.29      
16 A 1079 1064 0.30      
17 A 1017 1003 0.94      
18 A 903 890 2.30      
19 A 870 858 0.24      
20 A 732 722 1.80      
21 A 462 456 42.07      
22 A 359 354 2.77      
23 A 245 242 0.02      
24 A 115 114 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 18933.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 18673.8 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 PBEPBEultrafine/6-31G**
ABC
1.08834 0.29683 0.25744

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.305 -0.295 -0.031
C2 0.082 0.553 0.050
C3 -1.229 -0.243 -0.037
H4 -2.108 0.419 0.027
H5 -1.290 -0.798 -0.987
H6 -1.300 -0.977 0.783
H7 0.082 1.136 1.001
H8 0.108 1.325 -0.744
H9 2.275 0.136 -0.289
H10 1.287 -1.333 0.315

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49062.53473.48742.81072.81302.14652.13681.09281.0938
C21.49061.53622.19422.18702.18841.11491.10762.25832.2536
C32.53471.53621.10191.10221.10312.16672.17853.53402.7647
H43.48742.19421.10191.78271.78182.50152.51504.40393.8313
H52.81072.18701.10221.78271.77913.09372.55363.75112.9362
H62.81302.18841.10311.78181.77912.53393.10073.89502.6530
H72.14651.11492.16672.50153.09372.53391.75492.73392.8313
H82.13681.10762.17852.51502.55363.10071.75492.51363.0943
H91.09282.25833.53404.40393.75113.89502.73392.51361.8704
H101.09382.25362.76473.83132.93622.65302.83133.09431.8704

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 113.730 C1 C2 H7 110.108
C1 C2 H8 109.782 C2 C1 H9 121.125
C2 C1 H10 120.616 C2 C3 H4 111.491
C2 C3 H5 110.900 C2 C3 H6 110.957
C3 C2 H7 108.584 C3 C2 H8 109.914
H4 C3 H5 107.955 H4 C3 H6 107.816
H5 C3 H6 107.559 H7 C2 H8 104.295
H9 C1 H10 117.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239      
2 C -0.229      
3 C -0.368      
4 H 0.117      
5 H 0.127      
6 H 0.122      
7 H 0.127      
8 H 0.123      
9 H 0.109      
10 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.167 0.198 0.116 0.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.725 0.088 -0.099
y 0.088 -20.251 -0.412
z -0.099 -0.412 -21.208
Traceless
 xyz
x 0.005 0.088 -0.099
y 0.088 0.715 -0.412
z -0.099 -0.412 -0.720
Polar
3z2-r2-1.441
x2-y2-0.474
xy0.088
xz-0.099
yz-0.412


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.627 -0.178 -0.176
y -0.178 4.960 -0.153
z -0.176 -0.153 4.046


<r2> (average value of r2) Å2
<r2> 59.592
(<r2>)1/2 7.720