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All results from a given calculation for C3H8 (Propane)

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-118.702100
Energy at 298.15K-118.710529
HF Energy-118.262992
Nuclear repulsion energy82.381459
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 CCD/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 3153 2984 46.62      
2 A1 3072 2907 0.00      
3 A1 3071 2907 42.30      
4 A1 1567 1484 4.09      
5 A1 1547 1465 0.12      
6 A1 1477 1398 2.97      
7 A1 1217 1152 1.13      
8 A1 908 860 0.85      
9 A1 378 358 0.09      
10 A2 3143 2975 0.00      
11 A2 1544 1461 0.00      
12 A2 1353 1281 0.00      
13 A2 936 886 0.00      
14 A2 229 217 0.00      
15 B1 3152 2983 88.19      
16 B1 3106 2940 6.64      
17 B1 1560 1477 12.19      
18 B1 1261 1194 0.14      
19 B1 769 728 3.10      
20 B1 285 270 0.00      
21 B2 3150 2982 25.70      
22 B2 3069 2905 30.33      
23 B2 1550 1468 2.00      
24 B2 1467 1388 5.66      
25 B2 1415 1340 1.28      
26 B2 1104 1045 0.24      
27 B2 957 906 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 23220.2 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 21978.0 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 CCD/6-31G*
ABC
0.97898 0.28088 0.24866

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.588
C2 0.000 1.273 -0.261
C3 0.000 -1.273 -0.261
H4 0.880 0.000 1.247
H5 -0.880 0.000 1.247
H6 0.000 2.172 0.367
H7 0.000 -2.172 0.367
H8 0.886 1.312 -0.907
H9 -0.886 1.312 -0.907
H10 -0.886 -1.312 -0.907
H11 0.886 -1.312 -0.907

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52991.52991.09881.09882.18342.18342.17762.17762.17762.1776
C21.52992.54552.16012.16011.09703.50171.09761.09762.80782.8078
C31.52992.54552.16012.16013.50171.09702.80782.80781.09761.0976
H41.09882.16012.16011.75912.50322.50322.52173.07863.07862.5217
H51.09882.16012.16011.75912.50322.50323.07862.52172.52173.0786
H62.18341.09703.50172.50322.50324.34441.77461.77463.81423.8142
H72.18343.50171.09702.50322.50324.34443.81423.81421.77461.7746
H82.17761.09762.80782.52173.07861.77463.81421.77293.16662.6237
H92.17761.09762.80783.07862.52171.77463.81421.77292.62373.1666
H102.17762.80781.09763.07862.52173.81421.77463.16662.62371.7729
H112.17762.80781.09762.52173.07863.81421.77462.62373.16661.7729

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.377 C1 C2 H8 110.870
C1 C2 H9 110.870 C1 C3 H7 111.377
C1 C3 H10 110.870 C1 C3 H11 110.870
C2 C1 C3 112.596 C2 C1 H4 109.426
C2 C1 H5 109.426 C3 C1 H4 109.426
C3 C1 H5 109.426 H4 C1 H5 106.348
H6 C2 H8 107.924 H6 C2 H9 107.924
H7 C3 H10 107.924 H7 C3 H11 107.924
H8 C2 H9 107.726 H10 C3 H11 107.726
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability