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/CEP-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/CEP-31G*
 hartrees
Energy at 0K-21.098465
Energy at 298.15K 
HF Energy-21.098465
Nuclear repulsion energy44.182511
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/CEP-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 3231 3120 38.26      
2 A 3134 3026 24.67      
3 A 3110 3003 62.49      
4 A 3105 2998 62.84      
5 A 3048 2943 31.29      
6 A 3039 2934 36.44      
7 A 2967 2865 49.31      
8 A 1503 1452 4.90      
9 A 1497 1445 7.03      
10 A 1473 1422 1.46      
11 A 1456 1406 2.25      
12 A 1406 1358 1.95      
13 A 1343 1297 3.36      
14 A 1259 1215 0.35      
15 A 1158 1118 0.56      
16 A 1076 1039 0.15      
17 A 1036 1001 2.81      
18 A 905 874 2.63      
19 A 871 841 0.34      
20 A 732 706 2.31      
21 A 462 446 85.70      
22 A 359 347 5.05      
23 A 242 234 0.12      
24 A 118 114 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 19263.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 18602.8 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 B3LYP/CEP-31G*
ABC
1.06048 0.29245 0.25335

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.332 -0.300 -0.037
C2 0.096 0.569 0.066
C3 -1.222 -0.243 -0.049
H4 -2.105 0.416 0.030
H5 -1.274 -0.772 -1.017
H6 -1.288 -1.001 0.753
H7 0.096 1.115 1.036
H8 0.127 1.352 -0.714
H9 2.299 0.121 -0.334
H10 1.319 -1.335 0.327

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.51532.55463.51162.82402.82512.16402.15471.09601.0967
C21.51531.55212.20632.20202.20271.11241.10622.28402.2784
C32.55461.55211.10471.10441.10522.18132.19263.55132.7912
H43.51162.20631.10471.78801.78792.51902.53244.42913.8574
H52.82402.20201.10441.78801.78483.10682.56253.74612.9749
H62.82512.20271.10521.78791.78482.54463.11343.91292.6632
H72.16401.11242.18132.51903.10682.54461.76622.77802.8288
H82.15471.10622.19262.53242.56253.11341.76622.52563.1188
H91.09602.28403.55134.42913.74613.91292.77802.52561.8756
H101.09672.27842.79123.85742.97492.66322.82883.11881.8756

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 112.775 C1 C2 H7 109.937
C1 C2 H8 109.565 C2 C1 H9 121.172
C2 C1 H10 120.608 C2 C3 H4 111.169
C2 C3 H5 110.848 C2 C3 H6 110.860
C3 C2 H7 108.785 C3 C2 H8 110.006
H4 C3 H5 108.071 H4 C3 H6 108.004
H5 C3 H6 107.754 H7 C2 H8 105.515
H9 C1 H10 117.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.534      
2 C -0.067      
3 C -0.520      
4 H 0.167      
5 H 0.150      
6 H 0.144      
7 H 0.125      
8 H 0.131      
9 H 0.212      
10 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.176 0.222 0.160 0.325
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.835 0.081 -0.137
y 0.081 -20.121 -0.605
z -0.137 -0.605 -21.063
Traceless
 xyz
x -0.243 0.081 -0.137
y 0.081 0.828 -0.605
z -0.137 -0.605 -0.585
Polar
3z2-r2-1.169
x2-y2-0.714
xy0.081
xz-0.137
yz-0.605


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.472 -0.174 -0.123
y -0.174 4.631 -0.030
z -0.123 -0.030 3.867


<r2> (average value of r2) Å2
<r2> 52.755
(<r2>)1/2 7.263