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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-118.769158
Energy at 298.15K-118.777607
HF Energy-118.276030
Nuclear repulsion energy82.638066
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 3199 2999 50.04      
2 A1 3114 2919 16.69      
3 A1 3112 2918 28.57      
4 A1 1576 1478 2.23      
5 A1 1553 1456 0.05      
6 A1 1484 1391 1.44      
7 A1 1221 1145 0.65      
8 A1 910 853 0.55      
9 A1 376 353 0.03      
10 A2 3188 2989 0.00      
11 A2 1553 1456 0.00      
12 A2 1361 1276 0.00      
13 A2 937 879 0.00      
14 A2 230 216 0.00      
15 B1 3197 2998 95.83      
16 B1 3151 2955 6.97      
17 B1 1570 1472 8.77      
18 B1 1266 1187 0.03      
19 B1 768 721 1.86      
20 B1 287 269 0.00      
21 B2 3197 2997 27.84      
22 B2 3109 2915 32.22      
23 B2 1561 1463 1.15      
24 B2 1473 1381 3.11      
25 B2 1422 1334 2.91      
26 B2 1105 1036 0.16      
27 B2 960 900 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 23440.7 cm-1
Scaled (by 0.9376) 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
0.98623 0.28199 0.24962

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 0.587
C2 0.000 1.271 -0.260
C3 0.000 -1.271 -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 0.881 1.309 -0.903
H9 -0.881 1.309 -0.903
H10 -0.881 -1.309 -0.903
H11 0.881 -1.309 -0.903

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52731.52731.09281.09282.17702.17702.17022.17022.17022.1702
C21.52732.54142.15352.15351.09023.49211.09131.09132.80072.8007
C31.52732.54142.15352.15353.49211.09022.80072.80071.09131.0913
H41.09282.15352.15351.74882.49562.49562.51323.06563.06562.5132
H51.09282.15352.15351.74882.49562.49563.06562.51322.51323.0656
H62.17701.09023.49212.49562.49564.33091.76401.76403.80123.8012
H72.17703.49211.09022.49562.49564.33093.80123.80121.76401.7640
H82.17021.09132.80072.51323.06561.76403.80121.76233.15572.6178
H92.17021.09132.80073.06562.51321.76403.80121.76232.61783.1557
H102.17022.80071.09133.06562.51323.80121.76403.15572.61781.7623
H112.17022.80071.09132.51323.06563.80121.76402.61783.15571.7623

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.456 C1 C2 H8 110.846
C1 C2 H9 110.846 C1 C3 H7 111.456
C1 C3 H10 110.846 C1 C3 H11 110.846
C2 C1 C3 112.605 C2 C1 H4 109.437
C2 C1 H5 109.437 C3 C1 H4 109.437
C3 C1 H5 109.437 H4 C1 H5 106.289
H6 C2 H8 107.923 H6 C2 H9 107.923
H7 C3 H10 107.923 H7 C3 H11 107.923
H8 C2 H9 107.697 H10 C3 H11 107.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability