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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP4/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/Def2TZVPP
 hartrees
Energy at 0K-118.915283
Energy at 298.15K-118.923614
HF Energy-118.310647
Nuclear repulsion energy82.601363
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 MP4/Def2TZVPP
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 3116 3116        
2 A1 3040 3040        
3 A1 3034 3034        
4 A1 1515 1515        
5 A1 1492 1492        
6 A1 1420 1420        
7 A1 1178 1178        
8 A1 884 884        
9 A1 361 361        
10 A2 3103 3103        
11 A2 1495 1495        
12 A2 1317 1317        
13 A2 903 903        
14 A2 213 213        
15 B1 3114 3114        
16 B1 3072 3072        
17 B1 1513 1513        
18 B1 1215 1215        
19 B1 745 745        
20 B1 267 267        
21 B2 3114 3114        
22 B2 3032 3032        
23 B2 1503 1503        
24 B2 1406 1406        
25 B2 1363 1363        
26 B2 1073 1073        
27 B2 925 925        

Unscaled Zero Point Vibrational Energy (zpe) 22705.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22705.5 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 MP4/Def2TZVPP
ABC
0.97721 0.28325 0.25014

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.593
C2 0.000 1.267 -0.262
C3 0.000 -1.267 -0.262
H4 0.877 0.000 1.248
H5 -0.877 0.000 1.248
H6 0.000 2.169 0.354
H7 0.000 -2.169 0.354
H8 0.882 1.299 -0.906
H9 -0.882 1.299 -0.906
H10 -0.882 -1.299 -0.906
H11 0.882 -1.299 -0.906

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52871.52871.09381.09382.18182.18182.17142.17142.17142.1714
C21.52872.53452.15692.15691.09173.49071.09311.09312.78962.7896
C31.52872.53452.15692.15693.49071.09172.78962.78961.09311.0931
H41.09382.15692.15691.75312.50392.50392.51523.06923.06922.5152
H51.09382.15692.15691.75312.50392.50393.06922.51522.51523.0692
H62.18181.09173.49072.50392.50394.33731.76701.76703.79403.7940
H72.18183.49071.09172.50392.50394.33733.79403.79401.76701.7670
H82.17141.09312.78962.51523.06921.76703.79401.76483.14142.5989
H92.17141.09312.78963.06922.51521.76703.79401.76482.59893.1414
H102.17142.78961.09313.06922.51523.79401.76703.14142.59891.7648
H112.17142.78961.09312.51523.06923.79401.76702.59893.14141.7648

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.649 C1 C2 H8 110.739
C1 C2 H9 110.739 C1 C3 H7 111.649
C1 C3 H10 110.739 C1 C3 H11 110.739
C2 C1 C3 111.984 C2 C1 H4 109.545
C2 C1 H5 109.545 C3 C1 H4 109.545
C3 C1 H5 109.545 H4 C1 H5 106.527
H6 C2 H8 107.952 H6 C2 H9 107.952
H7 C3 H10 107.952 H7 C3 H11 107.952
H8 C2 H9 107.658 H10 C3 H11 107.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability