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 C3H8 (Propane)

using model chemistry: HSEh1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31G
 hartrees
Energy at 0K-118.967273
Energy at 298.15K-118.975693
HF Energy-118.967273
Nuclear repulsion energy82.409979
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 HSEh1PBE/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 A1 3148 3011 51.97 85.81 0.61 0.76
2 A1 3056 2924 11.27 263.21 0.01 0.01
3 A1 3054 2921 40.67 61.39 0.27 0.43
4 A1 1558 1490 8.60 8.47 0.73 0.85
5 A1 1541 1474 0.07 46.95 0.75 0.86
6 A1 1467 1404 5.31 2.70 0.70 0.82
7 A1 1213 1160 2.45 4.17 0.54 0.70
8 A1 904 865 1.41 10.76 0.28 0.44
9 A1 379 362 0.27 0.24 0.10 0.18
10 A2 3134 2998 0.00 6.59 0.75 0.86
11 A2 1536 1470 0.00 42.95 0.75 0.86
12 A2 1344 1286 0.00 15.04 0.75 0.86
13 A2 944 903 0.00 0.02 0.75 0.86
14 A2 223 213 0.00 0.00 0.75 0.86
15 B1 3146 3009 100.26 36.68 0.75 0.86
16 B1 3089 2955 5.88 149.02 0.75 0.86
17 B1 1553 1485 18.22 0.08 0.75 0.86
18 B1 1250 1196 0.79 0.76 0.75 0.86
19 B1 778 744 6.45 0.19 0.75 0.86
20 B1 273 261 0.00 0.01 0.75 0.86
21 B2 3145 3008 29.84 55.99 0.75 0.86
22 B2 3054 2921 37.76 2.04 0.75 0.86
23 B2 1542 1475 4.20 0.38 0.75 0.86
24 B2 1449 1387 8.73 4.96 0.75 0.86
25 B2 1405 1344 2.70 1.39 0.75 0.86
26 B2 1106 1058 1.07 6.14 0.75 0.86
27 B2 963 921 4.56 0.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23125.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 22121.7 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 HSEh1PBE/6-31G
ABC
0.97958 0.28107 0.24876

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.588
C2 0.000 1.272 -0.260
C3 0.000 -1.272 -0.260
H4 0.878 0.000 1.248
H5 -0.878 0.000 1.248
H6 0.000 2.173 0.363
H7 0.000 -2.173 0.363
H8 0.885 1.311 -0.907
H9 -0.885 1.311 -0.907
H10 -0.885 -1.311 -0.907
H11 0.885 -1.311 -0.907

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52891.52891.09861.09862.18462.18462.17672.17672.17672.1767
C21.52892.54362.15982.15981.09553.50061.09671.09672.80582.8058
C31.52892.54362.15982.15983.50061.09552.80582.80581.09671.0967
H41.09862.15982.15981.75632.50542.50542.52303.07793.07792.5230
H51.09862.15982.15981.75632.50542.50543.07792.52302.52303.0779
H62.18461.09553.50062.50542.50544.34581.77151.77153.81233.8123
H72.18463.50061.09552.50542.50544.34583.81233.81231.77151.7715
H82.17671.09672.80582.52303.07791.77153.81231.76953.16342.6222
H92.17671.09672.80583.07792.52301.77153.81231.76952.62223.1634
H102.17672.80581.09673.07792.52303.81231.77153.16342.62221.7695
H112.17672.80581.09672.52303.07793.81231.77152.62223.16341.7695

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.631 C1 C2 H8 110.927
C1 C2 H9 110.927 C1 C3 H7 111.631
C1 C3 H10 110.927 C1 C3 H11 110.927
C2 C1 C3 112.577 C2 C1 H4 109.480
C2 C1 H5 109.480 C3 C1 H4 109.480
C3 C1 H5 109.480 H4 C1 H5 106.137
H6 C2 H8 107.817 H6 C2 H9 107.817
H7 C3 H10 107.817 H7 C3 H11 107.817
H8 C2 H9 107.551 H10 C3 H11 107.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309      
2 C -0.478      
3 C -0.478      
4 H 0.158      
5 H 0.158      
6 H 0.159      
7 H 0.159      
8 H 0.158      
9 H 0.158      
10 H 0.158      
11 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.046 0.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.272 0.000 0.000
y 0.000 -21.753 0.000
z 0.000 0.000 -21.554
Traceless
 xyz
x 0.381 0.000 0.000
y 0.000 -0.340 0.000
z 0.000 0.000 -0.041
Polar
3z2-r2-0.083
x2-y20.480
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.689 0.000 0.000
y 0.000 5.235 0.000
z 0.000 0.000 4.772


<r2> (average value of r2) Å2
<r2> 63.409
(<r2>)1/2 7.963