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: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A"
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-118.361068
Energy at 298.15K 
HF Energy-118.361068
Nuclear repulsion energy75.829590
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 B1B95/6-31G
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 3285 3133 22.44      
2 A 3172 3026 19.31      
3 A 3152 3006 31.80      
4 A 3146 3000 40.08      
5 A 3062 2920 29.10      
6 A 3048 2907 25.00      
7 A 2960 2823 36.56      
8 A 1547 1475 5.97      
9 A 1540 1469 8.10      
10 A 1515 1445 4.32      
11 A 1494 1425 0.98      
12 A 1450 1383 4.91      
13 A 1390 1325 1.44      
14 A 1291 1231 0.40      
15 A 1199 1143 0.46      
16 A 1125 1073 0.22      
17 A 1079 1029 1.16      
18 A 949 906 3.38      
19 A 905 863 0.33      
20 A 779 743 2.39      
21 A 493 470 59.09      
22 A 375 358 2.72      
23 A 244 232 0.02      
24 A 92 87 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 19645.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 18735.4 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 B1B95/6-31G
ABC
1.09471 0.29994 0.25962

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.300 -0.294 -0.025
C2 0.080 0.556 0.047
C3 -1.223 -0.244 -0.035
H4 -2.097 0.411 0.021
H5 -1.277 -0.801 -0.975
H6 -1.289 -0.966 0.785
H7 0.078 1.139 0.986
H8 0.104 1.311 -0.750
H9 2.265 0.130 -0.283
H10 1.271 -1.332 0.291

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48832.52403.46982.79362.79562.13802.12901.08441.0854
C21.48831.53152.18212.17462.17631.10571.09892.24982.2448
C32.52401.53151.09361.09381.09472.15662.16603.51662.7406
H43.46982.18211.09361.77011.77002.48842.49974.38123.8018
H52.79362.17461.09381.77011.76803.07402.53333.72722.8949
H62.79562.17631.09471.77001.76802.51883.07973.86962.6332
H72.13801.10572.15662.48843.07402.51881.74552.72232.8307
H82.12901.09892.16602.49972.53333.07971.74552.50643.0709
H91.08442.24983.51664.38123.72723.86962.72232.50641.8582
H101.08542.24482.74063.80182.89492.63322.83073.07091.8582

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 113.392 C1 C2 H7 110.142
C1 C2 H8 109.833 C2 C1 H9 121.167
C2 C1 H10 120.632 C2 C3 H4 111.360
C2 C3 H5 110.743 C2 C3 H6 110.828
C3 C2 H7 108.647 C3 C2 H8 109.761
H4 C3 H5 108.037 H4 C3 H6 107.961
H5 C3 H6 107.773 H7 C2 H8 104.699
H9 C1 H10 117.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.282      
2 C -0.328      
3 C -0.458      
4 H 0.151      
5 H 0.159      
6 H 0.153      
7 H 0.165      
8 H 0.161      
9 H 0.139      
10 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.163 0.192 0.105 0.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.672 0.074 -0.117
y 0.074 -20.219 -0.400
z -0.117 -0.400 -21.260
Traceless
 xyz
x 0.068 0.074 -0.117
y 0.074 0.747 -0.400
z -0.117 -0.400 -0.815
Polar
3z2-r2-1.629
x2-y2-0.452
xy0.074
xz-0.117
yz-0.400


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.200 -0.166 -0.177
y -0.166 4.702 -0.156
z -0.177 -0.156 3.818


<r2> (average value of r2) Å2
<r2> 59.124
(<r2>)1/2 7.689