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All results from a given calculation for C3H8 (Propane)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-119.145304
Energy at 298.15K-119.153681
HF Energy-119.145304
Nuclear repulsion energy82.649262
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 mPW1PW91/6-311G**
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 3124 2989 52.19 92.61 0.59 0.74
2 A1 3046 2914 43.41 100.29 0.03 0.06
3 A1 3045 2913 7.18 281.18 0.05 0.09
4 A1 1515 1449 6.72 3.87 0.75 0.86
5 A1 1494 1429 0.00 26.46 0.74 0.85
6 A1 1422 1360 3.97 0.90 0.48 0.65
7 A1 1181 1130 1.52 1.66 0.34 0.51
8 A1 890 852 1.14 9.35 0.23 0.37
9 A1 366 350 0.10 0.36 0.20 0.33
10 A2 3111 2976 0.00 9.75 0.75 0.86
11 A2 1492 1427 0.00 23.20 0.75 0.86
12 A2 1321 1264 0.00 6.91 0.75 0.86
13 A2 912 873 0.00 0.03 0.75 0.86
14 A2 224 214 0.00 0.02 0.75 0.86
15 B1 3121 2986 99.60 34.02 0.75 0.86
16 B1 3072 2939 4.04 163.75 0.75 0.86
17 B1 1510 1444 15.80 0.00 0.75 0.86
18 B1 1213 1161 0.36 0.00 0.75 0.86
19 B1 752 720 4.10 0.19 0.75 0.86
20 B1 274 262 0.01 0.00 0.75 0.86
21 B2 3121 2986 29.30 60.69 0.75 0.86
22 B2 3043 2911 36.12 0.99 0.75 0.86
23 B2 1500 1435 2.40 0.57 0.75 0.86
24 B2 1409 1348 7.42 1.25 0.75 0.86
25 B2 1368 1308 1.10 0.06 0.75 0.86
26 B2 1082 1035 0.65 5.46 0.75 0.86
27 B2 933 893 2.54 0.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22769.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 21783.6 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 mPW1PW91/6-311G**
ABC
0.98946 0.28204 0.24990

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.584
C2 0.000 1.269 -0.258
C3 0.000 -1.269 -0.258
H4 0.874 0.000 1.243
H5 -0.874 0.000 1.243
H6 0.000 2.166 0.365
H7 0.000 -2.166 0.365
H8 0.882 1.314 -0.904
H9 -0.882 1.314 -0.904
H10 -0.882 -1.314 -0.904
H11 0.882 -1.314 -0.904

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52331.52331.09501.09502.17742.17742.17172.17172.17172.1717
C21.52332.53892.15162.15161.09243.49201.09371.09372.80482.8048
C31.52332.53892.15162.15163.49201.09242.80482.80481.09371.0937
H41.09502.15162.15161.74902.49562.49562.51673.06893.06892.5167
H51.09502.15162.15161.74902.49562.49563.06892.51672.51673.0689
H62.17741.09243.49202.49562.49564.33291.76501.76503.80793.8079
H72.17743.49201.09242.49562.49564.33293.80793.80791.76501.7650
H82.17171.09372.80482.51673.06891.76503.80791.76343.16442.6275
H92.17171.09372.80483.06892.51671.76503.80791.76342.62753.1644
H102.17172.80481.09373.06892.51673.80791.76503.16442.62751.7634
H112.17172.80481.09372.51673.06893.80791.76502.62753.16441.7634

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.637 C1 C2 H8 111.101
C1 C2 H9 111.101 C1 C3 H7 111.637
C1 C3 H10 111.101 C1 C3 H11 111.101
C2 C1 C3 112.887 C2 C1 H4 109.431
C2 C1 H5 109.431 C3 C1 H4 109.431
C3 C1 H5 109.431 H4 C1 H5 105.998
H6 C2 H8 107.679 H6 C2 H9 107.679
H7 C3 H10 107.679 H7 C3 H11 107.679
H8 C2 H9 107.451 H10 C3 H11 107.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.285      
2 C -0.335      
3 C -0.335      
4 H 0.123      
5 H 0.123      
6 H 0.121      
7 H 0.121      
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 0.071 0.071
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.354 0.000 0.000
y 0.000 -22.065 0.000
z 0.000 0.000 -21.768
Traceless
 xyz
x 0.563 0.000 0.000
y 0.000 -0.504 0.000
z 0.000 0.000 -0.058
Polar
3z2-r2-0.117
x2-y20.711
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.067 0.000 0.000
y 0.000 5.928 0.000
z 0.000 0.000 5.277


<r2> (average value of r2) Å2
<r2> 63.308
(<r2>)1/2 7.957