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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-117.046714
Energy at 298.15K-117.054988
HF Energy-116.883995
Nuclear repulsion energy81.307069
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 MP2=FULL/STO-3G
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 3556 3161 5.28 31.84 0.73 0.84
2 A1 3409 3030 5.81 32.89 0.17 0.29
3 A1 3374 2999 2.10 63.96 0.00 0.01
4 A1 1750 1556 0.43 7.35 0.75 0.85
5 A1 1718 1527 0.35 33.48 0.75 0.86
6 A1 1630 1449 0.00 3.41 0.68 0.81
7 A1 1312 1167 1.82 5.10 0.53 0.70
8 A1 977 869 0.56 8.58 0.29 0.45
9 A1 388 345 0.17 0.22 0.29 0.45
10 A2 3555 3160 0.00 2.33 0.75 0.86
11 A2 1735 1542 0.00 29.93 0.75 0.86
12 A2 1463 1301 0.00 14.76 0.75 0.86
13 A2 1021 908 0.00 0.01 0.75 0.86
14 A2 218 194 0.00 0.00 0.75 0.86
15 B1 3557 3162 10.08 25.34 0.75 0.86
16 B1 3519 3128 2.83 41.56 0.75 0.86
17 B1 1740 1547 2.58 1.05 0.75 0.86
18 B1 1365 1214 0.42 3.64 0.75 0.86
19 B1 825 733 3.31 0.02 0.75 0.86
20 B1 261 232 0.00 0.01 0.75 0.86
21 B2 3554 3159 2.09 19.67 0.75 0.86
22 B2 3375 3000 4.92 2.81 0.75 0.86
23 B2 1741 1547 0.17 0.00 0.75 0.86
24 B2 1626 1445 0.00 6.03 0.75 0.86
25 B2 1548 1376 10.54 0.10 0.75 0.86
26 B2 1185 1053 0.09 7.83 0.75 0.86
27 B2 1049 933 1.46 0.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 25724.6 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 22866.6 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 MP2=FULL/STO-3G
ABC
0.95256 0.27236 0.24095

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.601
C2 0.000 1.295 -0.267
C3 0.000 -1.295 -0.267
H4 0.890 0.000 1.258
H5 -0.890 0.000 1.258
H6 0.000 2.194 0.372
H7 0.000 -2.194 0.372
H8 0.893 1.331 -0.914
H9 -0.893 1.331 -0.914
H10 -0.893 -1.331 -0.914
H11 0.893 -1.331 -0.914

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.55911.55911.10631.10632.20612.20612.20542.20542.20542.2054
C21.55912.58972.19002.19001.10333.54701.10331.10332.84772.8477
C31.55912.58972.19002.19003.54701.10332.84772.84771.10331.1033
H41.10632.19002.19001.78042.52832.52832.54713.10943.10942.5471
H51.10632.19002.19001.78042.52832.52833.10942.54712.54713.1094
H62.20611.10333.54702.52832.52834.38831.78781.78783.85693.8569
H72.20613.54701.10332.52832.52834.38833.85693.85691.78781.7878
H82.20541.10332.84772.54713.10941.78783.85691.78663.20552.6615
H92.20541.10332.84773.10942.54711.78783.85691.78662.66153.2055
H102.20542.84771.10333.10942.54713.85691.78783.20552.66151.7866
H112.20542.84771.10332.54713.10943.85691.78782.66153.20551.7866

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.748 C1 C2 H8 110.695
C1 C2 H9 110.695 C1 C3 H7 110.748
C1 C3 H10 110.695 C1 C3 H11 110.695
C2 C1 C3 112.299 C2 C1 H4 109.315
C2 C1 H5 109.315 C3 C1 H4 109.315
C3 C1 H5 109.315 H4 C1 H5 107.146
H6 C2 H8 108.234 H6 C2 H9 108.234
H7 C3 H10 108.234 H7 C3 H11 108.234
H8 C2 H9 108.136 H10 C3 H11 108.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability