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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-118.786736
Energy at 298.15K-118.795152
HF Energy-118.281182
Nuclear repulsion energy82.701085
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 MP2/6-31G(2df,p)
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 3198 3020 29.08 72.14 0.66 0.79
2 A1 3109 2937 27.09 48.33 0.27 0.42
3 A1 3102 2930 5.10 223.88 0.00 0.01
4 A1 1544 1459 3.58 6.97 0.74 0.85
5 A1 1522 1437 0.01 28.81 0.75 0.86
6 A1 1441 1361 2.73 1.31 0.74 0.85
7 A1 1196 1130 1.24 2.85 0.32 0.49
8 A1 904 854 0.96 10.30 0.21 0.35
9 A1 367 347 0.17 0.22 0.15 0.26
10 A2 3190 3013 0.00 5.38 0.75 0.86
11 A2 1522 1437 0.00 28.96 0.75 0.86
12 A2 1335 1261 0.00 8.39 0.75 0.86
13 A2 918 867 0.00 0.00 0.75 0.86
14 A2 230 217 0.00 0.00 0.75 0.86
15 B1 3198 3020 55.93 30.66 0.75 0.86
16 B1 3154 2979 3.66 117.74 0.75 0.86
17 B1 1541 1455 11.43 0.06 0.75 0.86
18 B1 1231 1163 0.30 0.85 0.75 0.86
19 B1 758 716 3.70 0.09 0.75 0.86
20 B1 287 271 0.00 0.00 0.75 0.86
21 B2 3196 3018 16.78 44.49 0.75 0.86
22 B2 3101 2929 23.84 2.46 0.75 0.86
23 B2 1530 1445 1.65 0.16 0.75 0.86
24 B2 1426 1347 3.99 2.92 0.75 0.86
25 B2 1380 1304 2.43 0.02 0.75 0.86
26 B2 1095 1034 0.32 5.88 0.75 0.86
27 B2 940 888 2.58 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23206.9 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 21919.0 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 MP2/6-31G(2df,p)
ABC
0.97912 0.28413 0.25086

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.593
C2 0.000 1.265 -0.261
C3 0.000 -1.265 -0.261
H4 0.875 0.000 1.248
H5 -0.875 0.000 1.248
H6 0.000 2.167 0.353
H7 0.000 -2.167 0.353
H8 0.881 1.299 -0.906
H9 -0.881 1.299 -0.906
H10 -0.881 -1.299 -0.906
H11 0.881 -1.299 -0.906

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52611.52611.09331.09332.17982.17982.16962.16962.16962.1696
C21.52612.52972.15482.15481.09113.48601.09211.09212.78622.7862
C31.52612.52972.15482.15483.48601.09112.78622.78621.09211.0921
H41.09332.15482.15481.75062.50212.50212.51453.06723.06722.5145
H51.09332.15482.15481.75062.50212.50213.06722.51452.51453.0672
H62.17981.09113.48602.50212.50214.33311.76461.76463.79053.7905
H72.17983.48601.09112.50212.50214.33313.79053.79051.76461.7646
H82.16961.09212.78622.51453.06721.76463.79051.76233.13862.5972
H92.16961.09212.78623.06722.51451.76463.79051.76232.59723.1386
H102.16962.78621.09213.06722.51453.79051.76463.13862.59721.7623
H112.16962.78621.09212.51453.06723.79051.76462.59723.13861.7623

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.712 C1 C2 H8 110.835
C1 C2 H9 110.835 C1 C3 H7 111.712
C1 C3 H10 110.835 C1 C3 H11 110.835
C2 C1 C3 111.956 C2 C1 H4 109.588
C2 C1 H5 109.588 C3 C1 H4 109.588
C3 C1 H5 109.588 H4 C1 H5 106.376
H6 C2 H8 107.856 H6 C2 H9 107.856
H7 C3 H10 107.856 H7 C3 H11 107.856
H8 C2 H9 107.581 H10 C3 H11 107.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability