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All results from a given calculation for C3H8 (Propane)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-118.990319
Energy at 298.15K-118.998603
HF Energy-118.990319
Nuclear repulsion energy82.090445
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 PBEPBE/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 A1 3037 3009 50.90 100.78 0.58 0.73
2 A1 2962 2935 38.55 156.85 0.01 0.02
3 A1 2956 2929 13.29 245.40 0.06 0.11
4 A1 1464 1451 6.22 5.10 0.75 0.86
5 A1 1442 1429 0.04 27.56 0.75 0.85
6 A1 1370 1357 3.48 1.15 0.70 0.82
7 A1 1138 1128 1.34 1.34 0.38 0.55
8 A1 861 854 1.18 8.24 0.25 0.40
9 A1 356 353 0.11 0.36 0.21 0.35
10 A2 3023 2996 0.00 11.00 0.75 0.86
11 A2 1441 1428 0.00 24.58 0.75 0.86
12 A2 1276 1264 0.00 7.04 0.75 0.86
13 A2 883 875 0.00 0.06 0.75 0.86
14 A2 219 217 0.00 0.02 0.75 0.86
15 B1 3033 3005 97.87 37.34 0.75 0.86
16 B1 2982 2955 4.46 170.31 0.75 0.86
17 B1 1459 1446 15.43 0.00 0.75 0.86
18 B1 1169 1159 0.33 0.00 0.75 0.86
19 B1 729 723 4.20 0.21 0.75 0.86
20 B1 265 263 0.00 0.01 0.75 0.86
21 B2 3034 3007 29.08 64.21 0.75 0.86
22 B2 2959 2932 36.19 0.55 0.75 0.86
23 B2 1449 1436 2.57 0.83 0.75 0.86
24 B2 1353 1341 6.51 2.31 0.75 0.86
25 B2 1317 1305 2.24 0.00 0.75 0.86
26 B2 1047 1037 0.81 4.86 0.75 0.86
27 B2 901 893 2.55 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22062.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 21861.5 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 PBEPBE/6-311G**
ABC
0.97617 0.27846 0.24677

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.587
C2 0.000 1.277 -0.260
C3 0.000 -1.277 -0.260
H4 0.881 0.000 1.252
H5 -0.881 0.000 1.252
H6 0.000 2.182 0.368
H7 0.000 -2.182 0.368
H8 0.888 1.322 -0.911
H9 -0.888 1.322 -0.911
H10 -0.888 -1.322 -0.911
H11 0.888 -1.322 -0.911

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53231.53231.10391.10392.19282.19282.18632.18632.18632.1863
C21.53232.55442.16612.16611.10113.51561.10241.10242.82302.8230
C31.53232.55442.16612.16613.51561.10112.82302.82301.10241.1024
H41.10392.16612.16611.76252.51362.51362.53473.09133.09132.5347
H51.10392.16612.16611.76252.51362.51363.09132.53472.53473.0913
H62.19281.10113.51562.51362.51364.36381.77871.77873.83443.8344
H72.19283.51561.10112.51362.51364.36383.83443.83441.77871.7787
H82.18631.10242.82302.53473.09131.77873.83441.77683.18572.6442
H92.18631.10242.82303.09132.53471.77873.83441.77682.64423.1857
H102.18632.82301.10243.09132.53473.83441.77873.18572.64421.7768
H112.18632.82301.10242.53473.09133.83441.77872.64423.18571.7768

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.714 C1 C2 H8 111.115
C1 C2 H9 111.115 C1 C3 H7 111.714
C1 C3 H10 111.115 C1 C3 H11 111.115
C2 C1 C3 112.931 C2 C1 H4 109.435
C2 C1 H5 109.435 C3 C1 H4 109.435
C3 C1 H5 109.435 H4 C1 H5 105.932
H6 C2 H8 107.653 H6 C2 H9 107.653
H7 C3 H10 107.653 H7 C3 H11 107.653
H8 C2 H9 107.391 H10 C3 H11 107.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.282      
2 C -0.337      
3 C -0.337      
4 H 0.124      
5 H 0.124      
6 H 0.120      
7 H 0.120      
8 H 0.117      
9 H 0.117      
10 H 0.117      
11 H 0.117      


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 0.076 0.076
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.661 0.000 0.000
y 0.000 -22.334 0.000
z 0.000 0.000 -22.059
Traceless
 xyz
x 0.535 0.000 0.000
y 0.000 -0.473 0.000
z 0.000 0.000 -0.062
Polar
3z2-r2-0.123
x2-y20.672
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.274 0.000 0.000
y 0.000 6.228 0.000
z 0.000 0.000 5.504


<r2> (average value of r2) Å2
<r2> 64.148
(<r2>)1/2 8.009