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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP2=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-118.811906
Energy at 298.15K-118.820361
HF Energy-118.281216
Nuclear repulsion energy82.931623
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(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 3208 3015 28.91 71.02 0.67 0.80
2 A1 3120 2932 26.49 49.62 0.26 0.41
3 A1 3113 2926 4.97 221.94 0.00 0.01
4 A1 1557 1463 3.75 8.45 0.74 0.85
5 A1 1533 1441 0.04 27.08 0.75 0.86
6 A1 1449 1362 2.98 1.28 0.74 0.85
7 A1 1205 1133 1.27 2.72 0.31 0.47
8 A1 914 859 1.02 10.05 0.21 0.35
9 A1 373 351 0.18 0.22 0.14 0.25
10 A2 3203 3011 0.00 5.31 0.75 0.86
11 A2 1536 1444 0.00 29.21 0.75 0.86
12 A2 1351 1270 0.00 7.75 0.75 0.86
13 A2 929 873 0.00 0.01 0.75 0.86
14 A2 238 223 0.00 0.00 0.75 0.86
15 B1 3210 3018 54.15 32.33 0.75 0.86
16 B1 3166 2975 4.09 114.91 0.75 0.86
17 B1 1555 1461 11.81 0.06 0.75 0.86
18 B1 1238 1163 0.36 0.86 0.75 0.86
19 B1 765 719 3.86 0.09 0.75 0.86
20 B1 292 274 0.00 0.00 0.75 0.86
21 B2 3206 3014 16.14 43.68 0.75 0.86
22 B2 3112 2925 24.13 2.69 0.75 0.86
23 B2 1543 1450 1.68 0.16 0.75 0.86
24 B2 1436 1350 4.53 2.91 0.75 0.86
25 B2 1390 1306 2.04 0.01 0.75 0.86
26 B2 1107 1041 0.30 5.79 0.75 0.86
27 B2 951 894 2.71 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23348.9 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 21945.7 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(2df,p)
ABC
0.98317 0.28610 0.25252

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.592
C2 0.000 1.260 -0.261
C3 0.000 -1.260 -0.261
H4 0.873 0.000 1.245
H5 -0.873 0.000 1.245
H6 0.000 2.161 0.351
H7 0.000 -2.161 0.351
H8 0.879 1.293 -0.903
H9 -0.879 1.293 -0.903
H10 -0.879 -1.293 -0.903
H11 0.879 -1.293 -0.903

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52121.52121.09111.09112.17452.17452.16362.16362.16362.1636
C21.52122.52022.14912.14911.08913.47551.08981.08982.77612.7761
C31.52122.52022.14912.14913.47551.08912.77612.77611.08981.0898
H41.09112.14912.14911.74702.49672.49672.50803.05983.05982.5080
H51.09112.14912.14911.74702.49672.49673.05982.50802.50803.0598
H62.17451.08913.47552.49672.49674.32241.76081.76083.77903.7790
H72.17453.47551.08912.49672.49674.32243.77903.77901.76081.7608
H82.16361.08982.77612.50803.05981.76083.77901.75893.12802.5866
H92.16361.08982.77613.05982.50801.76083.77901.75892.58663.1280
H102.16362.77611.08983.05982.50803.77901.76083.12802.58661.7589
H112.16362.77611.08982.50803.05983.77901.76082.58663.12801.7589

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.759 C1 C2 H8 110.834
C1 C2 H9 110.834 C1 C3 H7 111.759
C1 C3 H10 110.834 C1 C3 H11 110.834
C2 C1 C3 111.860 C2 C1 H4 109.614
C2 C1 H5 109.614 C3 C1 H4 109.614
C3 C1 H5 109.614 H4 C1 H5 106.373
H6 C2 H8 107.823 H6 C2 H9 107.823
H7 C3 H10 107.823 H7 C3 H11 107.823
H8 C2 H9 107.598 H10 C3 H11 107.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability