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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP3=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-118.780734
Energy at 298.15K-118.789196
HF Energy-118.276108
Nuclear repulsion energy82.786476
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 MP3=FULL/6-31G**
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 3222 3222 47.89      
2 A1 3136 3136 24.77      
3 A1 3134 3134 20.05      
4 A1 1582 1582 2.52      
5 A1 1559 1559 0.03      
6 A1 1488 1488 1.67      
7 A1 1225 1225 0.72      
8 A1 914 914 0.60      
9 A1 378 378 0.04      
10 A2 3211 3211 0.00      
11 A2 1559 1559 0.00      
12 A2 1366 1366 0.00      
13 A2 941 941 0.00      
14 A2 233 233 0.00      
15 B1 3220 3220 93.26      
16 B1 3174 3174 6.48      
17 B1 1576 1576 9.50      
18 B1 1269 1269 0.04      
19 B1 771 771 2.07      
20 B1 289 289 0.00      
21 B2 3220 3220 26.97      
22 B2 3131 3131 30.93      
23 B2 1566 1566 1.29      
24 B2 1478 1478 3.59      
25 B2 1426 1426 2.71      
26 B2 1110 1110 0.17      
27 B2 963 963 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 23569.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23569.3 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 MP3=FULL/6-31G**
ABC
0.98941 0.28297 0.25044

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.587
C2 0.000 1.269 -0.260
C3 0.000 -1.269 -0.260
H4 0.873 0.000 1.240
H5 -0.873 0.000 1.240
H6 0.000 2.162 0.361
H7 0.000 -2.162 0.361
H8 0.879 1.306 -0.901
H9 -0.879 1.306 -0.901
H10 -0.879 -1.306 -0.901
H11 0.879 -1.306 -0.901

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52531.52531.09031.09032.17352.17352.16622.16622.16622.1662
C21.52532.53732.14992.14991.08773.48621.08881.08882.79512.7951
C31.52532.53732.14992.14993.48621.08772.79512.79511.08881.0888
H41.09032.14992.14991.74512.49162.49162.50843.05953.05952.5084
H51.09032.14992.14991.74512.49162.49163.05952.50842.50843.0595
H62.17351.08773.48622.49162.49164.32351.76031.76033.79353.7935
H72.17353.48621.08772.49162.49164.32353.79353.79351.76031.7603
H82.16621.08882.79512.50843.05951.76033.79351.75833.14852.6118
H92.16621.08882.79513.05952.50841.76033.79351.75832.61183.1485
H102.16622.79511.08883.05952.50843.79351.76033.14852.61181.7583
H112.16622.79511.08882.50843.05953.79351.76032.61183.14851.7583

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.474 C1 C2 H8 110.817
C1 C2 H9 110.817 C1 C3 H7 111.474
C1 C3 H10 110.817 C1 C3 H11 110.817
C2 C1 C3 112.563 C2 C1 H4 109.441
C2 C1 H5 109.441 C3 C1 H4 109.441
C3 C1 H5 109.441 H4 C1 H5 106.322
H6 C2 H8 107.947 H6 C2 H9 107.947
H7 C3 H10 107.947 H7 C3 H11 107.947
H8 C2 H9 107.690 H10 C3 H11 107.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability