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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G
 hartrees
Energy at 0K-118.530483
Energy at 298.15K-118.538918
HF Energy-118.214530
Nuclear repulsion energy81.729465
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/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 3120 3120 57.89      
2 A1 3042 3042 6.09      
3 A1 3038 3038 42.13      
4 A1 1578 1578 4.71      
5 A1 1561 1561 0.05      
6 A1 1493 1493 3.13      
7 A1 1226 1226 1.29      
8 A1 888 888 0.75      
9 A1 380 380 0.10      
10 A2 3108 3108 0.00      
11 A2 1558 1558 0.00      
12 A2 1358 1358 0.00      
13 A2 951 951 0.00      
14 A2 226 226 0.00      
15 B1 3118 3118 110.37      
16 B1 3067 3067 7.52      
17 B1 1571 1571 12.14      
18 B1 1281 1281 0.12      
19 B1 776 776 3.23      
20 B1 275 275 0.00      
21 B2 3116 3116 32.01      
22 B2 3040 3040 34.12      
23 B2 1562 1562 2.72      
24 B2 1474 1474 4.31      
25 B2 1432 1432 2.62      
26 B2 1090 1090 0.75      
27 B2 967 967 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 23147.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23147.6 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/6-31G
ABC
0.96628 0.27517 0.24370

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.594
C2 0.000 1.287 -0.264
C3 0.000 -1.287 -0.264
H4 0.883 0.000 1.254
H5 -0.883 0.000 1.254
H6 0.000 2.188 0.369
H7 0.000 -2.188 0.369
H8 0.890 1.324 -0.911
H9 -0.890 1.324 -0.911
H10 -0.890 -1.324 -0.911
H11 0.890 -1.324 -0.911

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.54671.54671.10281.10282.19942.19942.19292.19292.19292.1929
C21.54672.57492.17722.17721.10023.53231.10131.10132.83392.8339
C31.54672.57492.17722.17723.53231.10022.83392.83391.10131.1013
H41.10282.17722.17721.76662.52002.52002.53743.09583.09582.5374
H51.10282.17722.17721.76662.52002.52003.09582.53742.53743.0958
H62.19941.10023.53232.52002.52004.37571.78201.78203.84223.8422
H72.19943.53231.10022.52002.52004.37573.84223.84221.78201.7820
H82.19291.10132.83392.53743.09581.78203.84221.78053.19102.6480
H92.19291.10132.83393.09582.53741.78203.84221.78052.64803.1910
H102.19292.83391.10133.09582.53743.84221.78203.19102.64801.7805
H112.19292.83391.10132.53743.09583.84221.78202.64803.19101.7805

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.273 C1 C2 H8 110.691
C1 C2 H9 110.691 C1 C3 H7 111.273
C1 C3 H10 110.691 C1 C3 H11 110.691
C2 C1 C3 112.691 C2 C1 H4 109.376
C2 C1 H5 109.376 C3 C1 H4 109.376
C3 C1 H5 109.376 H4 C1 H5 106.451
H6 C2 H8 108.091 H6 C2 H9 108.091
H7 C3 H10 108.091 H7 C3 H11 108.091
H8 C2 H9 107.879 H10 C3 H11 107.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability