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All results from a given calculation for C3H8 (Propane)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-118.653239
Energy at 298.15K-118.661714
HF Energy-118.263468
Nuclear repulsion energy82.667806
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 CID/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 3214 2969 50.46      
2 A1 3137 2898 0.25      
3 A1 3134 2895 44.45      
4 A1 1599 1477 4.00      
5 A1 1578 1457 0.13      
6 A1 1508 1393 2.97      
7 A1 1241 1147 1.17      
8 A1 923 852 0.82      
9 A1 384 355 0.08      
10 A2 3204 2960 0.00      
11 A2 1575 1454 0.00      
12 A2 1380 1275 0.00      
13 A2 953 880 0.00      
14 A2 232 214 0.00      
15 B1 3214 2969 95.48      
16 B1 3168 2926 6.17      
17 B1 1592 1470 12.28      
18 B1 1285 1187 0.13      
19 B1 783 723 3.05      
20 B1 289 267 0.00      
21 B2 3212 2967 27.74      
22 B2 3131 2893 32.24      
23 B2 1582 1461 1.88      
24 B2 1499 1385 5.58      
25 B2 1445 1334 1.41      
26 B2 1121 1035 0.26      
27 B2 977 902 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 23678.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 21871.9 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 CID/6-31G*
ABC
0.98669 0.28243 0.25002

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.586
C2 0.000 1.269 -0.260
C3 0.000 -1.269 -0.260
H4 0.874 0.000 1.243
H5 -0.874 0.000 1.243
H6 0.000 2.165 0.363
H7 0.000 -2.165 0.363
H8 0.882 1.309 -0.903
H9 -0.882 1.309 -0.903
H10 -0.882 -1.309 -0.903
H11 0.882 -1.309 -0.903

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52551.52551.09321.09322.17632.17632.17022.17022.17022.1702
C21.52552.53832.15242.15241.09123.49011.09201.09202.79972.7997
C31.52552.53832.15242.15243.49011.09122.79972.79971.09201.0920
H41.09322.15242.15241.74892.49482.49482.51353.06623.06622.5135
H51.09322.15242.15241.74892.49482.49483.06622.51352.51353.0662
H62.17631.09123.49012.49482.49484.32971.76461.76463.80123.8012
H72.17633.49011.09122.49482.49484.32973.80123.80121.76461.7646
H82.17021.09202.79972.51353.06621.76463.80121.76313.15642.6181
H92.17021.09202.79973.06622.51351.76463.80121.76312.61813.1564
H102.17022.79971.09203.06622.51353.80121.76463.15642.61811.7631
H112.17022.79971.09202.51353.06623.80121.76462.61813.15641.7631

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.471 C1 C2 H8 110.930
C1 C2 H9 110.930 C1 C3 H7 111.471
C1 C3 H10 110.930 C1 C3 H11 110.930
C2 C1 C3 112.606 C2 C1 H4 109.449
C2 C1 H5 109.449 C3 C1 H4 109.449
C3 C1 H5 109.449 H4 C1 H5 106.237
H6 C2 H8 107.847 H6 C2 H9 107.847
H7 C3 H10 107.847 H7 C3 H11 107.847
H8 C2 H9 107.656 H10 C3 H11 107.656
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability