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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP2=FULL/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=FULL/6-31+G**
 hartrees
Energy at 0K-118.744742
Energy at 298.15K-118.753192
HF Energy-118.276815
Nuclear repulsion energy82.825458
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/6-31+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 3212 3017 44.33 88.28 0.64 0.78
2 A1 3120 2931 31.07 116.39 0.13 0.23
3 A1 3114 2925 18.52 245.22 0.00 0.00
4 A1 1558 1464 5.31 3.71 0.75 0.86
5 A1 1539 1445 0.01 20.10 0.71 0.83
6 A1 1468 1379 3.71 1.33 0.09 0.17
7 A1 1215 1141 0.58 1.82 0.26 0.41
8 A1 910 855 0.69 11.89 0.21 0.34
9 A1 376 354 0.01 0.30 0.20 0.34
10 A2 3203 3009 0.00 7.01 0.75 0.86
11 A2 1538 1445 0.00 19.03 0.75 0.86
12 A2 1347 1265 0.00 6.71 0.75 0.86
13 A2 932 875 0.00 0.03 0.75 0.86
14 A2 231 217 0.00 0.01 0.75 0.86
15 B1 3211 3016 86.09 35.20 0.75 0.86
16 B1 3167 2974 5.57 133.79 0.75 0.86
17 B1 1555 1460 15.13 0.01 0.75 0.86
18 B1 1254 1177 0.00 0.03 0.75 0.86
19 B1 771 724 1.90 0.16 0.75 0.86
20 B1 290 272 0.00 0.00 0.75 0.86
21 B2 3211 3016 25.02 49.26 0.75 0.86
22 B2 3112 2923 37.78 2.59 0.75 0.86
23 B2 1544 1450 2.55 0.02 0.75 0.86
24 B2 1454 1366 5.95 0.58 0.75 0.86
25 B2 1406 1321 1.48 0.16 0.75 0.86
26 B2 1106 1038 0.46 7.65 0.75 0.86
27 B2 955 897 1.50 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23397.8 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 21975.2 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=FULL/6-31+G**
ABC
0.98678 0.28411 0.25128

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.588
C2 0.000 1.265 -0.260
C3 0.000 -1.265 -0.260
H4 0.874 0.000 1.242
H5 -0.874 0.000 1.242
H6 0.000 2.162 0.358
H7 0.000 -2.162 0.358
H8 0.880 1.300 -0.902
H9 -0.880 1.300 -0.902
H10 -0.880 -1.300 -0.902
H11 0.880 -1.300 -0.902

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52361.52361.09151.09152.17452.17452.16462.16462.16462.1646
C21.52362.53092.14962.14961.08903.48291.09001.09002.78712.7871
C31.52362.53092.14962.14963.48291.08902.78712.78711.09001.0900
H41.09152.14962.14961.74892.49422.49422.50683.06003.06002.5068
H51.09152.14962.14961.74892.49422.49423.06002.50682.50683.0600
H62.17451.08903.48292.49422.49424.32451.76221.76223.78793.7879
H72.17453.48291.08902.49422.49424.32453.78793.78791.76221.7622
H82.16461.09002.78712.50683.06001.76223.78791.76083.14002.5999
H92.16461.09002.78713.06002.50681.76223.78791.76082.59993.1400
H102.16462.78711.09003.06002.50683.78791.76223.14002.59991.7608
H112.16462.78711.09002.50683.06003.78791.76222.59993.14001.7608

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.591 C1 C2 H8 110.740
C1 C2 H9 110.740 C1 C3 H7 111.591
C1 C3 H10 110.740 C1 C3 H11 110.740
C2 C1 C3 112.319 C2 C1 H4 109.466
C2 C1 H5 109.466 C3 C1 H4 109.466
C3 C1 H5 109.466 H4 C1 H5 106.486
H6 C2 H8 107.940 H6 C2 H9 107.940
H7 C3 H10 107.940 H7 C3 H11 107.940
H8 C2 H9 107.742 H10 C3 H11 107.742
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability