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All results from a given calculation for C3H8 (Propane)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-118.968471
Energy at 298.15K-118.976878
HF Energy-118.838199
Nuclear repulsion energy82.456643
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 B2PLYP/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 3151 2991 52.25 82.09 0.63 0.77
2 A1 3075 2919 20.77 177.02 0.00 0.00
3 A1 3071 2915 26.14 116.11 0.14 0.24
4 A1 1565 1485 3.30 6.94 0.74 0.85
5 A1 1542 1463 0.02 40.76 0.75 0.86
6 A1 1469 1394 1.94 2.34 0.73 0.85
7 A1 1208 1146 1.14 3.85 0.52 0.68
8 A1 895 850 0.78 10.52 0.27 0.42
9 A1 372 354 0.11 0.24 0.10 0.17
10 A2 3140 2981 0.00 6.81 0.75 0.86
11 A2 1542 1463 0.00 37.36 0.75 0.86
12 A2 1348 1280 0.00 12.65 0.75 0.86
13 A2 931 884 0.00 0.01 0.75 0.86
14 A2 229 218 0.00 0.00 0.75 0.86
15 B1 3150 2990 98.56 37.43 0.75 0.86
16 B1 3102 2944 6.74 138.22 0.75 0.86
17 B1 1559 1480 11.02 0.12 0.75 0.86
18 B1 1249 1186 0.17 1.02 0.75 0.86
19 B1 766 727 3.26 0.17 0.75 0.86
20 B1 282 267 0.00 0.01 0.75 0.86
21 B2 3149 2989 28.84 54.50 0.75 0.86
22 B2 3072 2916 33.51 2.35 0.75 0.86
23 B2 1549 1470 1.71 0.34 0.75 0.86
24 B2 1454 1380 3.70 4.91 0.75 0.86
25 B2 1405 1333 3.80 0.09 0.75 0.86
26 B2 1086 1031 0.35 6.52 0.75 0.86
27 B2 953 904 2.20 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23156.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 21980.2 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 B2PLYP/6-31G*
ABC
0.98278 0.28082 0.24865

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 1.273 -0.260
C3 0.000 -1.273 -0.260
H4 0.876 0.000 1.245
H5 -0.876 0.000 1.245
H6 0.000 2.171 0.364
H7 0.000 -2.171 0.364
H8 0.883 1.314 -0.906
H9 -0.883 1.314 -0.906
H10 -0.883 -1.314 -0.906
H11 0.883 -1.314 -0.906

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52901.52901.09611.09612.18232.18232.17612.17612.17612.1761
C21.52902.54552.15752.15751.09393.49981.09481.09482.80852.8085
C31.52902.54552.15752.15753.49981.09392.80852.80851.09481.0948
H41.09612.15752.15751.75302.50152.50152.52063.07413.07412.5206
H51.09612.15752.15751.75302.50152.50153.07412.52062.52063.0741
H62.18231.09393.49982.50152.50154.34181.76841.76843.81273.8127
H72.18233.49981.09392.50152.50154.34183.81273.81271.76841.7684
H82.17611.09482.80852.52063.07411.76843.81271.76663.16652.6278
H92.17611.09482.80853.07412.52061.76843.81271.76662.62783.1665
H102.17612.80851.09483.07412.52063.81271.76843.16652.62781.7666
H112.17612.80851.09482.52063.07413.81271.76842.62783.16651.7666

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.538 C1 C2 H8 110.981
C1 C2 H9 110.981 C1 C3 H7 111.538
C1 C3 H10 110.981 C1 C3 H11 110.981
C2 C1 C3 112.689 C2 C1 H4 109.438
C2 C1 H5 109.438 C3 C1 H4 109.438
C3 C1 H5 109.438 H4 C1 H5 106.192
H6 C2 H8 107.798 H6 C2 H9 107.798
H7 C3 H10 107.798 H7 C3 H11 107.798
H8 C2 H9 107.573 H10 C3 H11 107.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.261      
2 C -0.451      
3 C -0.451      
4 H 0.141      
5 H 0.141      
6 H 0.148      
7 H 0.148      
8 H 0.146      
9 H 0.146      
10 H 0.146      
11 H 0.146      


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 0.055 0.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.344 0.000 0.000
y 0.000 -22.033 0.000
z 0.000 0.000 -21.714
Traceless
 xyz
x 0.530 0.000 0.000
y 0.000 -0.504 0.000
z 0.000 0.000 -0.026
Polar
3z2-r2-0.052
x2-y20.689
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.665 0.000 0.000
y 0.000 5.248 0.000
z 0.000 0.000 4.756


<r2> (average value of r2) Å2
<r2> 63.508
(<r2>)1/2 7.969