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All results from a given calculation for C3H8 (Propane)

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-119.156312
Energy at 298.15K-119.164686
HF Energy-119.156312
Nuclear repulsion energy82.812243
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/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 3120 2993 47.52 89.96 0.56 0.72
2 A1 3045 2921 40.49 112.56 0.03 0.06
3 A1 3042 2918 6.38 308.32 0.04 0.07
4 A1 1513 1451 5.88 1.89 0.74 0.85
5 A1 1492 1431 0.00 20.26 0.75 0.86
6 A1 1421 1363 3.40 0.25 0.62 0.77
7 A1 1183 1134 1.25 1.90 0.16 0.28
8 A1 890 854 1.04 10.04 0.18 0.30
9 A1 364 349 0.11 0.36 0.28 0.44
10 A2 3107 2980 0.00 9.58 0.75 0.86
11 A2 1490 1429 0.00 15.97 0.75 0.86
12 A2 1320 1266 0.00 4.24 0.75 0.86
13 A2 911 873 0.00 0.10 0.75 0.86
14 A2 224 215 0.00 0.01 0.75 0.86
15 B1 3117 2990 88.60 30.32 0.75 0.86
16 B1 3068 2943 3.43 152.72 0.75 0.86
17 B1 1507 1446 14.04 0.01 0.75 0.86
18 B1 1215 1166 0.22 0.03 0.75 0.86
19 B1 750 719 3.99 0.10 0.75 0.86
20 B1 270 259 0.00 0.01 0.75 0.86
21 B2 3117 2990 27.15 56.47 0.75 0.86
22 B2 3042 2918 34.23 0.76 0.75 0.86
23 B2 1497 1436 2.12 0.45 0.75 0.86
24 B2 1406 1349 5.82 0.36 0.75 0.86
25 B2 1370 1314 1.50 0.14 0.75 0.86
26 B2 1080 1036 0.67 4.80 0.75 0.86
27 B2 932 894 2.13 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22746.0 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 21817.9 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/cc-pVTZ
ABC
0.99226 0.28337 0.25099

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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 1.266 -0.258
C3 0.000 -1.266 -0.258
H4 0.873 0.000 1.241
H5 -0.873 0.000 1.241
H6 0.000 2.162 0.364
H7 0.000 -2.162 0.364
H8 0.880 1.310 -0.903
H9 -0.880 1.310 -0.903
H10 -0.880 -1.310 -0.903
H11 0.880 -1.310 -0.903

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52041.52041.09301.09302.17342.17342.16742.16742.16742.1674
C21.52042.53292.14782.14781.09053.48461.09171.09172.79772.7977
C31.52042.53292.14782.14783.48461.09052.79772.79771.09171.0917
H41.09302.14782.14781.74562.49142.49142.51223.06323.06322.5122
H51.09302.14782.14781.74562.49142.49143.06322.51222.51223.0632
H62.17341.09053.48462.49142.49144.32451.76211.76213.79913.7991
H72.17343.48461.09052.49142.49144.32453.79913.79911.76211.7621
H82.16741.09172.79772.51223.06321.76213.79911.76003.15592.6196
H92.16741.09172.79773.06322.51221.76213.79911.76002.61963.1559
H102.16742.79771.09173.06322.51223.79911.76213.15592.61961.7600
H112.16742.79771.09172.51223.06323.79911.76212.61963.15591.7600

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.640 C1 C2 H8 111.088
C1 C2 H9 111.088 C1 C3 H7 111.640
C1 C3 H10 111.088 C1 C3 H11 111.088
C2 C1 C3 112.811 C2 C1 H4 109.453
C2 C1 H5 109.453 C3 C1 H4 109.453
C3 C1 H5 109.453 H4 C1 H5 105.989
H6 C2 H8 107.701 H6 C2 H9 107.701
H7 C3 H10 107.701 H7 C3 H11 107.701
H8 C2 H9 107.432 H10 C3 H11 107.432
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 C -0.257      
3 C -0.257      
4 H 0.077      
5 H 0.077      
6 H 0.086      
7 H 0.086      
8 H 0.081      
9 H 0.081      
10 H 0.081      
11 H 0.081      


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 -21.297 0.000 0.000
y 0.000 -22.118 0.000
z 0.000 0.000 -21.756
Traceless
 xyz
x 0.640 0.000 0.000
y 0.000 -0.592 0.000
z 0.000 0.000 -0.048
Polar
3z2-r2-0.096
x2-y20.821
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.318 0.000 0.000
y 0.000 6.317 0.000
z 0.000 0.000 5.581


<r2> (average value of r2) Å2
<r2> 63.093
(<r2>)1/2 7.943