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: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-118.356689
Energy at 298.15K 
HF Energy-118.213848
Nuclear repulsion energy75.837112
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 B2PLYP/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 3266 3266 17.13      
2 A 3161 3161 16.99      
3 A 3126 3126 33.18      
4 A 3121 3121 42.52      
5 A 3053 3053 26.84      
6 A 3051 3051 23.00      
7 A 2965 2965 35.32      
8 A 1521 1521 3.89      
9 A 1514 1514 6.72      
10 A 1486 1486 1.24      
11 A 1481 1481 2.04      
12 A 1424 1424 2.46      
13 A 1374 1374 1.82      
14 A 1284 1284 0.17      
15 A 1187 1187 0.40      
16 A 1097 1097 0.11      
17 A 1064 1064 1.04      
18 A 931 931 1.46      
19 A 893 893 0.12      
20 A 763 763 0.99      
21 A 477 477 44.85      
22 A 370 370 3.61      
23 A 254 254 0.07      
24 A 127 127 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 19494.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19494.3 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 B2PLYP/6-311G**
ABC
1.09523 0.29907 0.25972

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.301 -0.294 -0.035
C2 0.079 0.555 0.056
C3 -1.225 -0.245 -0.040
H4 -2.096 0.409 0.030
H5 -1.280 -0.783 -0.990
H6 -1.289 -0.981 0.765
H7 0.081 1.113 1.007
H8 0.104 1.322 -0.726
H9 2.254 0.128 -0.327
H10 1.295 -1.305 0.355

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49092.52603.47012.79462.79632.13392.12661.08201.0832
C21.49091.53272.18062.17482.17581.10241.09562.24892.2421
C32.52601.53271.09231.09231.09312.15552.16583.50982.7616
H43.47012.18061.09231.76851.76782.48842.49944.37373.8137
H52.79462.17481.09231.76851.76603.07122.53273.70842.9506
H62.79632.17581.09311.76781.76602.51393.07703.86932.6362
H72.13391.10242.15552.48843.07122.51391.74572.73282.7830
H82.12661.09562.16582.49942.53273.07701.74572.49113.0800
H91.08202.24893.50984.37373.70843.86932.73282.49111.8538
H101.08322.24212.76163.81372.95062.63622.78303.08001.8538

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 113.318 C1 C2 H7 109.835
C1 C2 H8 109.666 C2 C1 H9 121.043
C2 C1 H10 120.334 C2 C3 H4 111.239
C2 C3 H5 110.773 C2 C3 H6 110.800
C3 C2 H7 108.669 C3 C2 H8 109.864
H4 C3 H5 108.098 H4 C3 H6 107.981
H5 C3 H6 107.817 H7 C2 H8 105.165
H9 C1 H10 117.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.244      
2 C -0.218      
3 C -0.284      
4 H 0.101      
5 H 0.103      
6 H 0.099      
7 H 0.110      
8 H 0.108      
9 H 0.113      
10 H 0.111      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.778 -0.122 -0.122
y -0.122 5.120 -0.105
z -0.122 -0.105 4.424


<r2> (average value of r2) Å2
<r2> 59.472
(<r2>)1/2 7.712