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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-119.134720
Energy at 298.15K-119.143104
HF Energy-119.134720
Nuclear repulsion energy82.661193
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 3125 2982 61.57 91.31 0.60 0.75
2 A1 3050 2910 26.91 214.92 0.00 0.00
3 A1 3048 2909 28.67 143.61 0.13 0.22
4 A1 1532 1463 8.20 5.92 0.75 0.86
5 A1 1509 1441 0.10 26.94 0.74 0.85
6 A1 1436 1371 4.63 1.22 0.40 0.57
7 A1 1189 1135 1.61 1.74 0.39 0.56
8 A1 894 853 1.20 9.02 0.25 0.40
9 A1 368 351 0.09 0.39 0.19 0.32
10 A2 3112 2970 0.00 9.93 0.75 0.86
11 A2 1511 1442 0.00 25.22 0.75 0.86
12 A2 1333 1272 0.00 7.77 0.75 0.86
13 A2 918 876 0.00 0.01 0.75 0.86
14 A2 224 214 0.00 0.03 0.75 0.86
15 B1 3123 2981 114.90 34.05 0.75 0.86
16 B1 3073 2933 4.23 167.13 0.75 0.86
17 B1 1530 1461 18.40 0.00 0.75 0.86
18 B1 1222 1167 0.34 0.01 0.75 0.86
19 B1 754 719 4.30 0.24 0.75 0.86
20 B1 277 265 0.01 0.01 0.75 0.86
21 B2 3122 2979 33.32 61.23 0.75 0.86
22 B2 3046 2907 41.00 1.20 0.75 0.86
23 B2 1518 1448 2.98 0.57 0.75 0.86
24 B2 1423 1358 8.30 1.77 0.75 0.86
25 B2 1377 1315 0.96 0.01 0.75 0.86
26 B2 1084 1035 0.65 5.70 0.75 0.86
27 B2 939 896 2.74 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22868.1 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 21825.4 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 mPW1PW91/6-311G*
ABC
0.98968 0.28220 0.24999

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 0.583
C2 0.000 1.269 -0.258
C3 0.000 -1.269 -0.258
H4 0.874 0.000 1.244
H5 -0.874 0.000 1.244
H6 0.000 2.167 0.364
H7 0.000 -2.167 0.364
H8 0.881 1.316 -0.905
H9 -0.881 1.316 -0.905
H10 -0.881 -1.316 -0.905
H11 0.881 -1.316 -0.905

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52251.52251.09531.09532.17782.17782.17282.17282.17282.1728
C21.52252.53732.15152.15151.09263.49131.09371.09372.80572.8057
C31.52252.53732.15152.15153.49131.09262.80572.80571.09371.0937
H41.09532.15152.15151.74772.49652.49652.51913.07013.07012.5191
H51.09532.15152.15151.74772.49652.49653.07012.51912.51913.0701
H62.17781.09263.49132.49652.49654.33351.76351.76353.80943.8094
H72.17783.49131.09262.49652.49654.33353.80943.80941.76351.7635
H82.17281.09372.80572.51913.07011.76353.80941.76203.16662.6311
H92.17281.09372.80573.07012.51911.76353.80941.76202.63113.1666
H102.17282.80571.09373.07012.51913.80941.76353.16662.63111.7620
H112.17282.80571.09372.51913.07013.80941.76352.63113.16661.7620

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.723 C1 C2 H8 111.251
C1 C2 H9 111.251 C1 C3 H7 111.723
C1 C3 H10 111.251 C1 C3 H11 111.251
C2 C1 C3 112.876 C2 C1 H4 109.468
C2 C1 H5 109.468 C3 C1 H4 109.468
C3 C1 H5 109.468 H4 C1 H5 105.849
H6 C2 H8 107.535 H6 C2 H9 107.535
H7 C3 H10 107.535 H7 C3 H11 107.535
H8 C2 H9 107.328 H10 C3 H11 107.328
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.441      
2 C -0.649      
3 C -0.649      
4 H 0.215      
5 H 0.215      
6 H 0.222      
7 H 0.222      
8 H 0.216      
9 H 0.216      
10 H 0.216      
11 H 0.216      


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 0.078 0.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.372 0.000 0.000
y 0.000 -22.206 0.000
z 0.000 0.000 -21.850
Traceless
 xyz
x 0.656 0.000 0.000
y 0.000 -0.595 0.000
z 0.000 0.000 -0.061
Polar
3z2-r2-0.121
x2-y20.834
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.980 0.000 0.000
y 0.000 5.785 0.000
z 0.000 0.000 5.180


<r2> (average value of r2) Å2
<r2> 63.354
(<r2>)1/2 7.960