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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP3=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-118.769621
Energy at 298.15K-118.778037
HF Energy-118.271926
Nuclear repulsion energy82.090946
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/cc-pVDZ
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 3173 2983 43.85      
2 A1 3088 2904 14.09      
3 A1 3082 2898 33.84      
4 A1 1517 1427 3.25      
5 A1 1495 1406 0.11      
6 A1 1430 1345 1.49      
7 A1 1190 1119 0.78      
8 A1 904 850 0.71      
9 A1 368 346 0.04      
10 A2 3161 2972 0.00      
11 A2 1494 1405 0.00      
12 A2 1325 1246 0.00      
13 A2 912 858 0.00      
14 A2 230 217 0.00      
15 B1 3169 2980 87.85      
16 B1 3125 2939 5.56      
17 B1 1511 1421 11.09      
18 B1 1224 1151 0.12      
19 B1 756 711 2.18      
20 B1 287 270 0.00      
21 B2 3170 2981 25.47      
22 B2 3080 2897 32.90      
23 B2 1503 1413 1.18      
24 B2 1426 1341 4.41      
25 B2 1376 1294 3.09      
26 B2 1099 1033 0.24      
27 B2 936 880 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 23015.8 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 21641.7 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/cc-pVDZ
ABC
0.96998 0.27961 0.24746

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.591
C2 0.000 1.274 -0.261
C3 0.000 -1.274 -0.261
H4 0.884 0.000 1.253
H5 -0.884 0.000 1.253
H6 0.000 2.181 0.366
H7 0.000 -2.181 0.366
H8 0.891 1.313 -0.912
H9 -0.891 1.313 -0.912
H10 -0.891 -1.313 -0.912
H11 0.891 -1.313 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53291.53291.10471.10472.19232.19232.18502.18502.18502.1850
C21.53292.54902.16772.16771.10233.51181.10371.10372.81262.8126
C31.53292.54902.16772.16773.51181.10232.81262.81261.10371.1037
H41.10472.16772.16771.76792.51472.51472.53193.09193.09192.5319
H51.10472.16772.16771.76792.51472.51473.09192.53192.53193.0919
H62.19231.10233.51182.51472.51474.36161.78331.78333.82523.8252
H72.19233.51181.10232.51472.51474.36163.82523.82521.78331.7833
H82.18501.10372.81262.53193.09191.78333.82521.78133.17292.6256
H92.18501.10372.81263.09192.53191.78333.82521.78132.62563.1729
H102.18502.81261.10373.09192.53193.82521.78333.17292.62561.7813
H112.18502.81261.10372.53193.09193.82521.78332.62563.17291.7813

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.552 C1 C2 H8 110.883
C1 C2 H9 110.883 C1 C3 H7 111.552
C1 C3 H10 110.883 C1 C3 H11 110.883
C2 C1 C3 112.489 C2 C1 H4 109.466
C2 C1 H5 109.466 C3 C1 H4 109.466
C3 C1 H5 109.466 H4 C1 H5 106.297
H6 C2 H8 107.879 H6 C2 H9 107.879
H7 C3 H10 107.879 H7 C3 H11 107.879
H8 C2 H9 107.604 H10 C3 H11 107.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability