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All results from a given calculation for C3H8 (Propane)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-119.123063
Energy at 298.15K-119.131442
HF Energy-119.123063
Nuclear repulsion energy82.592782
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 mPW1PW91/6-31G**
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 3149 2996 46.73 86.15 0.62 0.77
2 A1 3065 2916 40.82 77.28 0.04 0.07
3 A1 3063 2914 6.75 244.03 0.05 0.09
4 A1 1529 1455 4.42 8.57 0.74 0.85
5 A1 1507 1434 0.01 37.71 0.75 0.86
6 A1 1436 1366 2.81 2.29 0.73 0.84
7 A1 1189 1131 1.55 2.88 0.46 0.63
8 A1 895 852 1.08 9.91 0.27 0.43
9 A1 367 349 0.16 0.22 0.14 0.24
10 A2 3137 2985 0.00 7.88 0.75 0.86
11 A2 1506 1433 0.00 36.64 0.75 0.86
12 A2 1327 1263 0.00 10.73 0.75 0.86
13 A2 916 871 0.00 0.00 0.75 0.86
14 A2 226 215 0.00 0.00 0.75 0.86
15 B1 3146 2994 89.21 37.10 0.75 0.86
16 B1 3098 2947 5.53 145.08 0.75 0.86
17 B1 1525 1451 12.87 0.09 0.75 0.86
18 B1 1221 1162 0.40 0.69 0.75 0.86
19 B1 754 717 4.64 0.14 0.75 0.86
20 B1 277 264 0.00 0.00 0.75 0.86
21 B2 3147 2994 25.94 56.69 0.75 0.86
22 B2 3061 2913 34.93 1.62 0.75 0.86
23 B2 1514 1440 1.89 0.52 0.75 0.86
24 B2 1424 1355 5.94 4.59 0.75 0.86
25 B2 1375 1308 2.13 0.00 0.75 0.86
26 B2 1086 1033 0.37 6.10 0.75 0.86
27 B2 937 892 3.10 0.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22937.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 21825.1 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 mPW1PW91/6-31G**
ABC
0.98763 0.28175 0.24960

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.584
C2 0.000 1.270 -0.259
C3 0.000 -1.270 -0.259
H4 0.875 0.000 1.244
H5 -0.875 0.000 1.244
H6 0.000 2.168 0.365
H7 0.000 -2.168 0.365
H8 0.882 1.314 -0.905
H9 -0.882 1.314 -0.905
H10 -0.882 -1.314 -0.905
H11 0.882 -1.314 -0.905

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52431.52431.09601.09602.17902.17902.17332.17332.17332.1733
C21.52432.54012.15342.15341.09333.49421.09441.09442.80622.8062
C31.52432.54012.15342.15343.49421.09332.80622.80621.09441.0944
H41.09602.15342.15341.75032.49782.49782.51903.07143.07142.5190
H51.09602.15342.15341.75032.49782.49783.07142.51902.51903.0714
H62.17901.09333.49422.49782.49784.33601.76631.76633.81013.8101
H72.17903.49421.09332.49782.49784.33603.81013.81011.76631.7663
H82.17331.09442.80622.51903.07141.76633.81011.76423.16572.6285
H92.17331.09442.80623.07142.51901.76633.81011.76422.62853.1657
H102.17332.80621.09443.07142.51903.81011.76633.16572.62851.7642
H112.17332.80621.09442.51903.07143.81011.76632.62853.16571.7642

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.645 C1 C2 H8 111.112
C1 C2 H9 111.112 C1 C3 H7 111.645
C1 C3 H10 111.112 C1 C3 H11 111.112
C2 C1 C3 112.854 C2 C1 H4 109.445
C2 C1 H5 109.445 C3 C1 H4 109.445
C3 C1 H5 109.445 H4 C1 H5 105.972
H6 C2 H8 107.679 H6 C2 H9 107.679
H7 C3 H10 107.679 H7 C3 H11 107.679
H8 C2 H9 107.418 H10 C3 H11 107.418
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 C -0.390      
3 C -0.390      
4 H 0.127      
5 H 0.127      
6 H 0.129      
7 H 0.129      
8 H 0.129      
9 H 0.129      
10 H 0.129      
11 H 0.129      


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 0.050 0.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.069 0.000 0.000
y 0.000 -21.635 0.000
z 0.000 0.000 -21.377
Traceless
 xyz
x 0.437 0.000 0.000
y 0.000 -0.412 0.000
z 0.000 0.000 -0.025
Polar
3z2-r2-0.050
x2-y20.566
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.765 0.000 0.000
y 0.000 5.428 0.000
z 0.000 0.000 4.887


<r2> (average value of r2) Å2
<r2> 63.141
(<r2>)1/2 7.946