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All results from a given calculation for C3H8 (Propane)

using model chemistry: B3PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-119.146411
Energy at 298.15K-119.154761
HF Energy-119.146411
Nuclear repulsion energy82.679246
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 B3PW91/aug-cc-pVTZ
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 3100 2992 46.95 90.68 0.54 0.70
2 A1 3028 2922 33.22 220.13 0.01 0.01
3 A1 3024 2918 14.16 275.64 0.05 0.09
4 A1 1504 1452 6.14 0.86 0.74 0.85
5 A1 1483 1431 0.00 12.34 0.75 0.86
6 A1 1412 1363 3.06 0.03 0.16 0.27
7 A1 1175 1134 1.24 2.51 0.16 0.28
8 A1 881 850 0.94 10.79 0.14 0.24
9 A1 362 350 0.10 0.54 0.33 0.49
10 A2 3088 2980 0.00 10.43 0.75 0.86
11 A2 1482 1430 0.00 9.60 0.75 0.86
12 A2 1313 1267 0.00 2.26 0.75 0.86
13 A2 906 875 0.00 0.19 0.75 0.86
14 A2 219 212 0.00 0.01 0.75 0.86
15 B1 3098 2990 86.62 29.80 0.75 0.86
16 B1 3048 2942 3.68 144.58 0.75 0.86
17 B1 1499 1447 14.23 0.07 0.75 0.86
18 B1 1208 1166 0.16 0.33 0.75 0.86
19 B1 745 719 3.75 0.03 0.75 0.86
20 B1 266 257 0.00 0.02 0.75 0.86
21 B2 3098 2990 26.94 54.11 0.75 0.86
22 B2 3025 2919 36.04 0.46 0.75 0.86
23 B2 1488 1437 2.12 0.24 0.75 0.86
24 B2 1396 1347 5.41 0.00 0.75 0.86
25 B2 1361 1314 1.85 0.40 0.75 0.86
26 B2 1070 1032 0.76 4.29 0.75 0.86
27 B2 927 895 1.88 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22603.1 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 21814.2 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 B3PW91/aug-cc-pVTZ
ABC
0.99130 0.28202 0.24994

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.583
C2 0.000 1.270 -0.258
C3 0.000 -1.270 -0.258
H4 0.874 0.000 1.242
H5 -0.874 0.000 1.242
H6 0.000 2.166 0.366
H7 0.000 -2.166 0.366
H8 0.881 1.315 -0.903
H9 -0.881 1.315 -0.903
H10 -0.881 -1.315 -0.903
H11 0.881 -1.315 -0.903

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52291.52291.09421.09422.17652.17652.17102.17102.17102.1710
C21.52292.53922.15052.15051.09183.49141.09291.09292.80562.8056
C31.52292.53922.15052.15053.49141.09182.80562.80561.09291.0929
H41.09422.15052.15051.74722.49412.49412.51603.06733.06732.5160
H51.09422.15052.15051.74722.49412.49413.06732.51602.51603.0673
H62.17651.09183.49142.49412.49414.33121.76381.76383.80783.8078
H72.17653.49141.09182.49412.49414.33123.80783.80781.76381.7638
H82.17101.09292.80562.51603.06731.76383.80781.76193.16512.6294
H92.17101.09292.80563.06732.51601.76383.80781.76192.62943.1651
H102.17102.80561.09293.06732.51603.80781.76383.16512.62941.7619
H112.17102.80561.09292.51603.06733.80781.76382.62943.16511.7619

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.632 C1 C2 H8 111.126
C1 C2 H9 111.126 C1 C3 H7 111.632
C1 C3 H10 111.126 C1 C3 H11 111.126
C2 C1 C3 112.964 C2 C1 H4 109.421
C2 C1 H5 109.421 C3 C1 H4 109.421
C3 C1 H5 109.421 H4 C1 H5 105.950
H6 C2 H8 107.670 H6 C2 H9 107.670
H7 C3 H10 107.670 H7 C3 H11 107.670
H8 C2 H9 107.422 H10 C3 H11 107.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 C -0.705      
3 C -0.705      
4 H 0.164      
5 H 0.164      
6 H 0.185      
7 H 0.185      
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 0.089 0.089
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.334 0.000 0.000
y 0.000 -22.196 0.000
z 0.000 0.000 -21.822
Traceless
 xyz
x 0.675 0.000 0.000
y 0.000 -0.618 0.000
z 0.000 0.000 -0.056
Polar
3z2-r2-0.113
x2-y20.862
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.595 0.000 0.000
y 0.000 6.702 0.000
z 0.000 0.000 5.932


<r2> (average value of r2) Å2
<r2> 63.327
(<r2>)1/2 7.958