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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-118.827437
Energy at 298.15K-118.835828
HF Energy-118.295121
Nuclear repulsion energy82.229590
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 MP4/6-311G**
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 3118 3023        
2 A1 3039 2947        
3 A1 3034 2942        
4 A1 1525 1479        
5 A1 1502 1456        
6 A1 1433 1390        
7 A1 1189 1153        
8 A1 889 862        
9 A1 365 354        
10 A2 3106 3012        
11 A2 1502 1457        
12 A2 1327 1287        
13 A2 915 887        
14 A2 220 214        
15 B1 3116 3022        
16 B1 3073 2980        
17 B1 1519 1473        
18 B1 1230 1193        
19 B1 755 732        
20 B1 283 274        
21 B2 3115 3021        
22 B2 3031 2939        
23 B2 1510 1464        
24 B2 1423 1380        
25 B2 1377 1336        
26 B2 1081 1048        
27 B2 935 906        

Unscaled Zero Point Vibrational Energy (zpe) 22806.2 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 22115.2 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 MP4/6-311G**
ABC
0.97301 0.28001 0.24774

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.592
C2 0.000 1.275 -0.262
C3 0.000 -1.275 -0.262
H4 0.882 0.000 1.249
H5 -0.882 0.000 1.249
H6 0.000 2.176 0.363
H7 0.000 -2.176 0.363
H8 0.888 1.309 -0.908
H9 -0.888 1.309 -0.908
H10 -0.888 -1.309 -0.908
H11 0.888 -1.309 -0.908

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53441.53441.09941.09942.18842.18842.17982.17982.17982.1798
C21.53442.54972.16452.16451.09733.50751.09841.09842.80752.8075
C31.53442.54972.16452.16453.50751.09732.80752.80751.09841.0984
H41.09942.16452.16451.76312.50962.50962.52313.08153.08152.5231
H51.09942.16452.16451.76312.50962.50963.08152.52312.52313.0815
H62.18841.09733.50752.50962.50964.35291.77671.77673.81493.8149
H72.18843.50751.09732.50962.50964.35293.81493.81491.77671.7767
H82.17981.09842.80752.52313.08151.77673.81491.77533.16332.6181
H92.17981.09842.80753.08152.52311.77673.81491.77532.61813.1633
H102.17982.80751.09843.08152.52313.81491.77673.16332.61811.7753
H112.17982.80751.09842.52313.08153.81491.77672.61813.16331.7753

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.434 C1 C2 H8 110.684
C1 C2 H9 110.684 C1 C3 H7 111.434
C1 C3 H10 110.684 C1 C3 H11 110.684
C2 C1 C3 112.367 C2 C1 H4 109.423
C2 C1 H5 109.423 C3 C1 H4 109.423
C3 C1 H5 109.423 H4 C1 H5 106.616
H6 C2 H8 108.038 H6 C2 H9 108.038
H7 C3 H10 108.038 H7 C3 H11 108.038
H8 C2 H9 107.829 H10 C3 H11 107.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability