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All results from a given calculation for C3H8 (Propane)

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-119.154192
Energy at 298.15K-119.162572
HF Energy-119.154192
Nuclear repulsion energy82.737653
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/TZVP
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 3126 2982 48.66 89.19 0.58 0.73
2 A1 3049 2909 44.51 75.10 0.06 0.12
3 A1 3047 2907 3.22 348.95 0.03 0.06
4 A1 1516 1447 7.43 2.81 0.74 0.85
5 A1 1496 1427 0.02 26.72 0.75 0.86
6 A1 1426 1360 4.24 0.43 0.66 0.80
7 A1 1184 1129 1.56 1.80 0.28 0.43
8 A1 890 849 1.03 10.06 0.23 0.37
9 A1 367 350 0.06 0.34 0.18 0.31
10 A2 3113 2970 0.00 9.10 0.75 0.86
11 A2 1493 1425 0.00 22.19 0.75 0.86
12 A2 1323 1262 0.00 7.18 0.75 0.86
13 A2 915 873 0.00 0.03 0.75 0.86
14 A2 223 213 0.00 0.02 0.75 0.86
15 B1 3124 2980 91.74 31.90 0.75 0.86
16 B1 3075 2934 3.62 158.59 0.75 0.86
17 B1 1511 1442 16.27 0.00 0.75 0.86
18 B1 1217 1161 0.27 0.00 0.75 0.86
19 B1 754 719 3.73 0.22 0.75 0.86
20 B1 273 261 0.00 0.00 0.75 0.86
21 B2 3123 2980 27.58 56.96 0.75 0.86
22 B2 3046 2906 34.34 1.22 0.75 0.86
23 B2 1501 1432 2.42 0.51 0.75 0.86
24 B2 1411 1346 7.50 0.63 0.75 0.86
25 B2 1372 1309 1.25 0.03 0.75 0.86
26 B2 1080 1030 0.75 5.73 0.75 0.86
27 B2 936 893 2.17 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22795.8 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 21747.2 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 mPW1PW91/TZVP
ABC
0.99140 0.28270 0.25048

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.583
C2 0.000 1.268 -0.258
C3 0.000 -1.268 -0.258
H4 0.874 0.000 1.241
H5 -0.874 0.000 1.241
H6 0.000 2.164 0.365
H7 0.000 -2.164 0.365
H8 0.881 1.312 -0.903
H9 -0.881 1.312 -0.903
H10 -0.881 -1.312 -0.903
H11 0.881 -1.312 -0.903

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52161.52161.09391.09392.17522.17522.16932.16932.16932.1693
C21.52162.53582.14932.14931.09153.48821.09261.09262.80152.8015
C31.52162.53582.14932.14933.48821.09152.80152.80151.09261.0926
H41.09392.14932.14931.74752.49302.49302.51403.06573.06572.5140
H51.09392.14932.14931.74752.49302.49303.06572.51402.51403.0657
H62.17521.09153.48822.49302.49304.32841.76341.76343.80373.8037
H72.17523.48821.09152.49302.49304.32843.80373.80371.76341.7634
H82.16931.09262.80152.51403.06571.76343.80371.76183.16072.6241
H92.16931.09262.80153.06572.51401.76343.80371.76182.62413.1607
H102.16932.80151.09263.06572.51403.80371.76343.16072.62411.7618
H112.16932.80151.09262.51403.06573.80371.76342.62413.16071.7618

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.634 C1 C2 H8 111.100
C1 C2 H9 111.100 C1 C3 H7 111.634
C1 C3 H10 111.100 C1 C3 H11 111.100
C2 C1 C3 112.875 C2 C1 H4 109.431
C2 C1 H5 109.431 C3 C1 H4 109.431
C3 C1 H5 109.431 H4 C1 H5 106.011
H6 C2 H8 107.681 H6 C2 H9 107.681
H7 C3 H10 107.681 H7 C3 H11 107.681
H8 C2 H9 107.454 H10 C3 H11 107.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 C -0.353      
3 C -0.353      
4 H 0.107      
5 H 0.107      
6 H 0.122      
7 H 0.122      
8 H 0.109      
9 H 0.109      
10 H 0.109      
11 H 0.109      


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 0.079 0.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.362 0.000 0.000
y 0.000 -22.140 0.000
z 0.000 0.000 -21.825
Traceless
 xyz
x 0.620 0.000 0.000
y 0.000 -0.547 0.000
z 0.000 0.000 -0.074
Polar
3z2-r2-0.148
x2-y20.778
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.284 0.000 0.000
y 0.000 6.104 0.000
z 0.000 0.000 5.464


<r2> (average value of r2) Å2
<r2> 63.226
(<r2>)1/2 7.951