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: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-118.471362
Energy at 298.15K 
HF Energy-118.471362
Nuclear repulsion energy75.640481
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/6-31G*
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 3258 3128 20.51      
2 A 3161 3035 17.37      
3 A 3119 2995 34.71      
4 A 3113 2989 42.66      
5 A 3047 2926 29.38      
6 A 3034 2913 24.71      
7 A 2939 2822 40.24      
8 A 1536 1475 3.15      
9 A 1527 1467 4.92      
10 A 1500 1441 0.78      
11 A 1490 1431 0.75      
12 A 1436 1379 0.98      
13 A 1379 1324 4.04      
14 A 1284 1233 0.34      
15 A 1187 1140 0.50      
16 A 1093 1049 0.10      
17 A 1064 1022 0.96      
18 A 930 893 1.68      
19 A 890 855 0.08      
20 A 761 731 1.31      
21 A 467 448 41.37      
22 A 368 353 3.98      
23 A 249 240 0.05      
24 A 121 116 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 19474.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 18701.5 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/6-31G*
ABC
1.09272 0.29722 0.25829

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.305 -0.294 -0.034
C2 0.080 0.554 0.056
C3 -1.228 -0.245 -0.041
H4 -2.101 0.413 0.030
H5 -1.288 -0.785 -0.992
H6 -1.298 -0.984 0.767
H7 0.078 1.119 1.008
H8 0.104 1.324 -0.728
H9 2.260 0.130 -0.329
H10 1.305 -1.309 0.355

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.49202.53323.47932.80692.80882.14162.13111.08571.0867
C21.49201.53582.18632.18242.18351.10701.09972.25372.2490
C32.53321.53581.09581.09581.09672.15972.17033.51982.7754
H43.47932.18631.09581.77281.77222.49082.50394.38523.8305
H52.80692.18241.09581.77281.76993.08062.54123.72312.9677
H62.80882.18351.09671.77221.76992.52403.08673.88542.6548
H72.14161.10702.15972.49083.08062.52401.74862.74342.7972
H82.13111.09972.17032.50392.54123.08671.74862.49673.0898
H91.08572.25373.51984.38523.72313.88542.74342.49671.8570
H101.08672.24902.77543.83052.96772.65482.79723.08981.8570

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 113.564 C1 C2 H7 110.096
C1 C2 H8 109.700 C2 C1 H9 121.115
C2 C1 H10 120.601 C2 C3 H4 111.258
C2 C3 H5 110.945 C2 C3 H6 110.981
C3 C2 H7 108.526 C3 C2 H8 109.759
H4 C3 H5 107.981 H4 C3 H6 107.864
H5 C3 H6 107.659 H7 C2 H8 104.825
H9 C1 H10 117.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.303      
2 C -0.256      
3 C -0.441      
4 H 0.142      
5 H 0.149      
6 H 0.144      
7 H 0.145      
8 H 0.142      
9 H 0.139      
10 H 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.124 0.183 0.122 0.252
CHELPG 0.174 -0.049 0.000 0.181
AIM 0.036 -0.001 0.033 0.049
ESP -0.123 0.155 0.128 0.236


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.806 0.050 -0.106
y 0.050 -20.384 -0.461
z -0.106 -0.461 -21.164
Traceless
 xyz
x -0.032 0.050 -0.106
y 0.050 0.601 -0.461
z -0.106 -0.461 -0.569
Polar
3z2-r2-1.139
x2-y2-0.422
xy0.050
xz-0.106
yz-0.461


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.320 -0.159 -0.186
y -0.159 4.729 -0.179
z -0.186 -0.179 3.925


<r2> (average value of r2) Å2
<r2> 59.463
(<r2>)1/2 7.711