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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-118.729102
Energy at 298.15K-118.737545
HF Energy-118.276784
Nuclear repulsion energy82.736964
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 MP2/6-31+G**
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 3208 3017 45.02 88.79 0.64 0.78
2 A1 3117 2932 31.31 115.86 0.13 0.23
3 A1 3111 2926 18.53 247.08 0.00 0.00
4 A1 1556 1464 5.13 3.50 0.75 0.86
5 A1 1537 1446 0.02 20.43 0.71 0.83
6 A1 1466 1379 3.56 1.33 0.09 0.17
7 A1 1214 1141 0.55 1.85 0.26 0.41
8 A1 909 855 0.67 12.04 0.21 0.34
9 A1 376 353 0.01 0.30 0.20 0.34
10 A2 3199 3009 0.00 7.04 0.75 0.86
11 A2 1536 1444 0.00 19.09 0.75 0.86
12 A2 1344 1264 0.00 6.78 0.75 0.86
13 A2 930 874 0.00 0.02 0.75 0.86
14 A2 229 216 0.00 0.01 0.75 0.86
15 B1 3207 3016 87.39 34.78 0.75 0.86
16 B1 3162 2974 5.43 135.02 0.75 0.86
17 B1 1552 1460 14.85 0.01 0.75 0.86
18 B1 1252 1178 0.00 0.03 0.75 0.86
19 B1 770 724 1.83 0.16 0.75 0.86
20 B1 289 272 0.00 0.00 0.75 0.86
21 B2 3206 3016 25.40 49.59 0.75 0.86
22 B2 3109 2925 37.98 2.58 0.75 0.86
23 B2 1541 1450 2.47 0.02 0.75 0.86
24 B2 1452 1366 5.74 0.57 0.75 0.86
25 B2 1404 1321 1.60 0.17 0.75 0.86
26 B2 1104 1039 0.45 7.75 0.75 0.86
27 B2 953 896 1.44 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23366.1 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 21978.2 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 MP2/6-31+G**
ABC
0.98480 0.28348 0.25074

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.589
C2 0.000 1.267 -0.260
C3 0.000 -1.267 -0.260
H4 0.875 0.000 1.243
H5 -0.875 0.000 1.243
H6 0.000 2.165 0.358
H7 0.000 -2.165 0.358
H8 0.881 1.301 -0.903
H9 -0.881 1.301 -0.903
H10 -0.881 -1.301 -0.903
H11 0.881 -1.301 -0.903

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52521.52521.09261.09262.17682.17682.16682.16682.16682.1668
C21.52522.53382.15192.15191.09023.48681.09121.09122.79022.7902
C31.52522.53382.15192.15193.48681.09022.79022.79021.09121.0912
H41.09262.15192.15191.75092.49682.49682.50923.06313.06312.5092
H51.09262.15192.15191.75092.49682.49683.06312.50922.50923.0631
H62.17681.09023.48682.49682.49684.32911.76421.76423.79203.7920
H72.17683.48681.09022.49682.49684.32913.79203.79201.76421.7642
H82.16681.09122.79022.50923.06311.76423.79201.76283.14342.6026
H92.16681.09122.79023.06312.50921.76423.79201.76282.60263.1434
H102.16682.79021.09123.06312.50923.79201.76423.14342.60261.7628
H112.16682.79021.09122.50923.06313.79201.76422.60263.14341.7628

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.590 C1 C2 H8 110.732
C1 C2 H9 110.732 C1 C3 H7 111.590
C1 C3 H10 110.732 C1 C3 H11 110.732
C2 C1 C3 112.328 C2 C1 H4 109.461
C2 C1 H5 109.461 C3 C1 H4 109.461
C3 C1 H5 109.461 H4 C1 H5 106.497
H6 C2 H8 107.943 H6 C2 H9 107.943
H7 C3 H10 107.943 H7 C3 H11 107.943
H8 C2 H9 107.753 H10 C3 H11 107.753
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability