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All results from a given calculation for C3H8 (Propane)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-118.464656
Energy at 298.15K-118.473101
HF Energy-118.464656
Nuclear repulsion energy82.257929
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 wB97X-D/3-21G*
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 3149 2985 39.35 74.93 0.61 0.76
2 A1 3083 2922 18.14 98.71 0.18 0.31
3 A1 3071 2911 14.56 169.16 0.00 0.00
4 A1 1579 1497 8.82 22.45 0.75 0.85
5 A1 1562 1480 1.69 33.92 0.75 0.86
6 A1 1479 1401 8.31 2.65 0.68 0.81
7 A1 1216 1153 3.46 4.16 0.55 0.71
8 A1 881 835 1.43 10.98 0.26 0.41
9 A1 388 368 0.39 0.27 0.14 0.24
10 A2 3139 2975 0.00 4.86 0.75 0.86
11 A2 1562 1480 0.00 45.87 0.75 0.86
12 A2 1365 1293 0.00 14.24 0.75 0.86
13 A2 964 914 0.00 0.02 0.75 0.86
14 A2 225 213 0.00 0.00 0.75 0.86
15 B1 3154 2989 74.19 13.72 0.75 0.86
16 B1 3112 2950 0.15 151.56 0.75 0.86
17 B1 1581 1498 20.36 0.09 0.75 0.86
18 B1 1254 1189 1.47 1.20 0.75 0.86
19 B1 785 744 7.93 0.14 0.75 0.86
20 B1 280 265 0.00 0.01 0.75 0.86
21 B2 3146 2981 22.12 48.71 0.75 0.86
22 B2 3069 2909 26.27 3.07 0.75 0.86
23 B2 1567 1485 4.76 0.12 0.75 0.86
24 B2 1461 1385 12.02 4.85 0.75 0.86
25 B2 1406 1332 1.31 2.10 0.75 0.86
26 B2 1068 1012 2.65 5.50 0.75 0.86
27 B2 974 924 5.35 0.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23259.1 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 22045.0 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 wB97X-D/3-21G*
ABC
0.96307 0.28148 0.24824

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.601
C2 0.000 1.272 -0.266
C3 0.000 -1.272 -0.266
H4 0.883 0.000 1.251
H5 -0.883 0.000 1.251
H6 0.000 2.175 0.354
H7 0.000 -2.175 0.354
H8 0.887 1.295 -0.908
H9 -0.887 1.295 -0.908
H10 -0.887 -1.295 -0.908
H11 0.887 -1.295 -0.908

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53961.53961.09601.09602.18872.18872.17792.17792.17792.1779
C21.53962.54472.16752.16751.09483.50231.09561.09562.79142.7914
C31.53962.54472.16752.16753.50231.09482.79142.79141.09561.0956
H41.09602.16752.16751.76522.51252.51252.51803.07773.07772.5180
H51.09602.16752.16751.76522.51252.51253.07772.51802.51803.0777
H62.18871.09483.50232.51252.51254.34951.77611.77613.79763.7976
H72.18873.50231.09482.51252.51254.34953.79763.79761.77611.7761
H82.17791.09562.79142.51803.07771.77613.79761.77413.13972.5904
H92.17791.09562.79143.07772.51801.77613.79761.77412.59043.1397
H102.17792.79141.09563.07772.51803.79761.77613.13972.59041.7741
H112.17792.79141.09562.51803.07773.79761.77612.59043.13971.7741

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.245 C1 C2 H8 110.337
C1 C2 H9 110.337 C1 C3 H7 111.245
C1 C3 H10 110.337 C1 C3 H11 110.337
C2 C1 C3 111.462 C2 C1 H4 109.502
C2 C1 H5 109.502 C3 C1 H4 109.502
C3 C1 H5 109.502 H4 C1 H5 107.278
H6 C2 H8 108.354 H6 C2 H9 108.354
H7 C3 H10 108.354 H7 C3 H11 108.354
H8 C2 H9 108.121 H10 C3 H11 108.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.437      
2 C -0.602      
3 C -0.602      
4 H 0.208      
5 H 0.208      
6 H 0.206      
7 H 0.206      
8 H 0.203      
9 H 0.203      
10 H 0.203      
11 H 0.203      


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 0.030 0.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.163 0.000 0.000
y 0.000 -21.685 0.000
z 0.000 0.000 -21.465
Traceless
 xyz
x 0.412 0.000 0.000
y 0.000 -0.371 0.000
z 0.000 0.000 -0.041
Polar
3z2-r2-0.081
x2-y20.522
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.460 0.000 0.000
y 0.000 4.982 0.000
z 0.000 0.000 4.526


<r2> (average value of r2) Å2
<r2> 63.387
(<r2>)1/2 7.962