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All results from a given calculation for C3H8 (Propane)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-118.965446
Energy at 298.15K-118.973736
HF Energy-118.965446
Nuclear repulsion energy82.029406
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/6-31G**
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 3060 3018 45.06 88.50 0.61 0.76
2 A1 2978 2937 32.25 140.53 0.01 0.02
3 A1 2972 2931 15.63 187.88 0.07 0.13
4 A1 1479 1458 3.65 10.67 0.73 0.85
5 A1 1454 1434 0.01 38.43 0.75 0.86
6 A1 1383 1365 1.97 3.35 0.65 0.79
7 A1 1146 1130 1.45 2.80 0.52 0.68
8 A1 867 855 1.10 8.99 0.29 0.45
9 A1 357 352 0.20 0.20 0.15 0.26
10 A2 3047 3006 0.00 8.65 0.75 0.86
11 A2 1455 1435 0.00 38.41 0.75 0.86
12 A2 1281 1263 0.00 11.30 0.75 0.86
13 A2 885 873 0.00 0.00 0.75 0.86
14 A2 224 221 0.00 0.00 0.75 0.86
15 B1 3056 3014 86.19 38.87 0.75 0.86
16 B1 3005 2963 6.25 141.94 0.75 0.86
17 B1 1473 1453 11.60 0.09 0.75 0.86
18 B1 1177 1161 0.45 0.88 0.75 0.86
19 B1 732 721 4.90 0.15 0.75 0.86
20 B1 270 267 0.00 0.00 0.75 0.86
21 B2 3058 3016 25.49 56.85 0.75 0.86
22 B2 2974 2934 34.40 0.95 0.75 0.86
23 B2 1463 1443 1.79 0.71 0.75 0.86
24 B2 1368 1349 4.51 6.74 0.75 0.86
25 B2 1324 1305 4.08 0.14 0.75 0.86
26 B2 1052 1037 0.40 5.30 0.75 0.86
27 B2 905 892 3.03 0.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22220.8 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 21916.4 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 PBEPBE/6-31G**
ABC
0.97404 0.27825 0.24653

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.587
C2 0.000 1.278 -0.260
C3 0.000 -1.278 -0.260
H4 0.882 0.000 1.254
H5 -0.882 0.000 1.254
H6 0.000 2.184 0.368
H7 0.000 -2.184 0.368
H8 0.889 1.322 -0.912
H9 -0.889 1.322 -0.912
H10 -0.889 -1.322 -0.912
H11 0.889 -1.322 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53291.53291.10551.10552.19492.19492.18802.18802.18802.1880
C21.53292.55502.16812.16811.10243.51781.10361.10362.82392.8239
C31.53292.55502.16812.16813.51781.10242.82392.82391.10361.1036
H41.10552.16812.16811.76442.51642.51642.53753.09463.09462.5375
H51.10552.16812.16811.76442.51642.51643.09462.53752.53753.0946
H62.19491.10243.51782.51642.51644.36771.78081.78083.83683.8368
H72.19493.51781.10242.51642.51644.36773.83683.83681.78081.7808
H82.18801.10362.82392.53753.09461.78083.83681.77823.18662.6443
H92.18801.10362.82393.09462.53751.78083.83681.77822.64433.1866
H102.18802.82391.10363.09462.53753.83681.78083.18662.64431.7782
H112.18802.82391.10362.53753.09463.83681.78082.64433.18661.7782

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.749 C1 C2 H8 111.125
C1 C2 H9 111.125 C1 C3 H7 111.749
C1 C3 H10 111.125 C1 C3 H11 111.125
C2 C1 C3 112.897 C2 C1 H4 109.455
C2 C1 H5 109.455 C3 C1 H4 109.455
C3 C1 H5 109.455 H4 C1 H5 105.884
H6 C2 H8 107.652 H6 C2 H9 107.652
H7 C3 H10 107.652 H7 C3 H11 107.652
H8 C2 H9 107.333 H10 C3 H11 107.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.214      
2 C -0.359      
3 C -0.359      
4 H 0.113      
5 H 0.113      
6 H 0.117      
7 H 0.117      
8 H 0.118      
9 H 0.118      
10 H 0.118      
11 H 0.118      


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 0.048 0.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.219 0.000 0.000
y 0.000 -21.733 0.000
z 0.000 0.000 -21.503
Traceless
 xyz
x 0.399 0.000 0.000
y 0.000 -0.372 0.000
z 0.000 0.000 -0.027
Polar
3z2-r2-0.054
x2-y20.514
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.874 0.000 0.000
y 0.000 5.635 0.000
z 0.000 0.000 5.019


<r2> (average value of r2) Å2
<r2> 63.875
(<r2>)1/2 7.992