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All results from a given calculation for C3H8 (Propane)

using model chemistry: B3PW91/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/cc-pVTZ
 hartrees
Energy at 0K-119.145828
Energy at 298.15K-119.154168
HF Energy-119.145828
Nuclear repulsion energy82.675710
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/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 3103 2984 49.01      
2 A1 3031 2914 40.64      
3 A1 3027 2911 6.50      
4 A1 1506 1448 5.84      
5 A1 1485 1428 0.00      
6 A1 1413 1359 3.17      
7 A1 1175 1130 1.25      
8 A1 881 847 1.02      
9 A1 361 347 0.10      
10 A2 3091 2972 0.00      
11 A2 1482 1425 0.00      
12 A2 1314 1264 0.00      
13 A2 908 873 0.00      
14 A2 216 207 0.00      
15 B1 3101 2982 90.02      
16 B1 3052 2935 3.59      
17 B1 1500 1442 13.81      
18 B1 1209 1163 0.21      
19 B1 748 719 3.96      
20 B1 263 253 0.00      
21 B2 3101 2982 27.02      
22 B2 3027 2911 35.81      
23 B2 1490 1433 2.04      
24 B2 1398 1344 5.36      
25 B2 1363 1311 1.86      
26 B2 1070 1029 0.76      
27 B2 927 892 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 22620.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 21752.2 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/cc-pVTZ
ABC
0.99032 0.28212 0.24996

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

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 1.242
H5 -0.874 0.000 1.242
H6 0.000 2.166 0.365
H7 0.000 -2.166 0.365
H8 0.881 1.314 -0.904
H9 -0.881 1.314 -0.904
H10 -0.881 -1.314 -0.904
H11 0.881 -1.314 -0.904

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52331.52331.09421.09422.17692.17692.17092.17092.17092.1709
C21.52332.53892.15102.15101.09183.49141.09291.09292.80432.8043
C31.52332.53892.15102.15103.49141.09182.80432.80431.09291.0929
H41.09422.15102.15101.74732.49492.49492.51593.06733.06732.5159
H51.09422.15102.15101.74732.49492.49493.06732.51592.51593.0673
H62.17691.09183.49142.49492.49494.33181.76391.76393.80673.8067
H72.17693.49141.09182.49492.49494.33183.80673.80671.76391.7639
H82.17091.09292.80432.51593.06731.76393.80671.76213.16332.6270
H92.17091.09292.80433.06732.51591.76393.80671.76212.62703.1633
H102.17092.80431.09293.06732.51593.80671.76393.16332.62701.7621
H112.17092.80431.09292.51593.06733.80671.76392.62703.16331.7621

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.641 C1 C2 H8 111.094
C1 C2 H9 111.094 C1 C3 H7 111.641
C1 C3 H10 111.094 C1 C3 H11 111.094
C2 C1 C3 112.892 C2 C1 H4 109.435
C2 C1 H5 109.435 C3 C1 H4 109.435
C3 C1 H5 109.435 H4 C1 H5 105.972
H6 C2 H8 107.687 H6 C2 H9 107.687
H7 C3 H10 107.687 H7 C3 H11 107.687
H8 C2 H9 107.447 H10 C3 H11 107.447
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.145      
2 C -0.270      
3 C -0.270      
4 H 0.082      
5 H 0.082      
6 H 0.091      
7 H 0.091      
8 H 0.085      
9 H 0.085      
10 H 0.085      
11 H 0.085      


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 0.081 0.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.315 0.000 0.000
y 0.000 -22.133 0.000
z 0.000 0.000 -21.773
Traceless
 xyz
x 0.638 0.000 0.000
y 0.000 -0.589 0.000
z 0.000 0.000 -0.049
Polar
3z2-r2-0.098
x2-y20.818
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.356 0.000 0.000
y 0.000 6.369 0.000
z 0.000 0.000 5.622


<r2> (average value of r2) Å2
<r2> 63.293
(<r2>)1/2 7.956