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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP2=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 MP2=FULL/6-31G
 hartrees
Energy at 0K-118.499254
Energy at 298.15K-118.507707
HF Energy-118.214795
Nuclear repulsion energy81.813862
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/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 3141 2984 54.59 75.66 0.65 0.79
2 A1 3054 2902 0.87 255.31 0.04 0.07
3 A1 3053 2901 46.00 28.45 0.21 0.35
4 A1 1585 1506 4.44 6.60 0.73 0.84
5 A1 1568 1490 0.01 48.05 0.75 0.86
6 A1 1495 1421 2.97 2.64 0.70 0.82
7 A1 1230 1169 1.34 6.15 0.60 0.75
8 A1 890 846 0.79 11.95 0.25 0.40
9 A1 380 361 0.12 0.25 0.06 0.12
10 A2 3132 2975 0.00 4.95 0.75 0.86
11 A2 1566 1488 0.00 41.94 0.75 0.86
12 A2 1364 1296 0.00 17.36 0.75 0.86
13 A2 956 908 0.00 0.07 0.75 0.86
14 A2 229 218 0.00 0.00 0.75 0.86
15 B1 3141 2984 103.64 38.21 0.75 0.86
16 B1 3090 2936 8.04 128.44 0.75 0.86
17 B1 1579 1501 11.90 0.19 0.75 0.86
18 B1 1287 1222 0.14 1.24 0.75 0.86
19 B1 781 742 3.48 0.19 0.75 0.86
20 B1 280 266 0.00 0.02 0.75 0.86
21 B2 3138 2981 29.25 50.12 0.75 0.86
22 B2 3052 2900 34.67 3.89 0.75 0.86
23 B2 1570 1492 2.66 0.19 0.75 0.86
24 B2 1476 1403 3.46 4.62 0.75 0.86
25 B2 1433 1361 3.38 1.53 0.75 0.86
26 B2 1094 1039 0.89 6.41 0.75 0.86
27 B2 971 922 2.49 0.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23268.1 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 22107.0 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/6-31G
ABC
0.96831 0.27570 0.24417

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.593
C2 0.000 1.286 -0.263
C3 0.000 -1.286 -0.263
H4 0.882 0.000 1.253
H5 -0.882 0.000 1.253
H6 0.000 2.186 0.367
H7 0.000 -2.186 0.367
H8 0.889 1.323 -0.910
H9 -0.889 1.323 -0.910
H10 -0.889 -1.323 -0.910
H11 0.889 -1.323 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.54521.54521.10151.10152.19792.19792.19062.19062.19062.1906
C21.54522.57232.17502.17501.09903.52921.09981.09982.83102.8310
C31.54522.57232.17502.17503.52921.09902.83102.83101.09981.0998
H41.10152.17502.17501.76462.51842.51842.53483.09243.09242.5348
H51.10152.17502.17501.76462.51842.51843.09242.53482.53483.0924
H62.19791.09903.52922.51842.51844.37251.77941.77943.83853.8385
H72.19793.52921.09902.51842.51844.37253.83853.83851.77941.7794
H82.19061.09982.83102.53483.09241.77943.83851.77833.18772.6456
H92.19061.09982.83103.09242.53481.77943.83851.77832.64563.1877
H102.19062.83101.09983.09242.53483.83851.77943.18772.64561.7783
H112.19062.83101.09982.53483.09243.83851.77942.64563.18771.7783

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.330 C1 C2 H8 110.699
C1 C2 H9 110.699 C1 C3 H7 111.330
C1 C3 H10 110.699 C1 C3 H11 110.699
C2 C1 C3 112.676 C2 C1 H4 109.381
C2 C1 H5 109.381 C3 C1 H4 109.381
C3 C1 H5 109.381 H4 C1 H5 106.450
H6 C2 H8 108.050 H6 C2 H9 108.050
H7 C3 H10 108.050 H7 C3 H11 108.050
H8 C2 H9 107.886 H10 C3 H11 107.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability