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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-118.860211
Energy at 298.15K-118.868616
HF Energy-118.308441
Nuclear repulsion energy82.836361
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/aug-cc-pVTZ
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 3154 3005 35.44 81.73 0.58 0.73
2 A1 3071 2926 32.74 74.08 0.18 0.30
3 A1 3061 2917 8.97 403.40 0.00 0.00
4 A1 1530 1458 5.11 1.26 0.75 0.85
5 A1 1509 1437 0.01 11.02 0.74 0.85
6 A1 1426 1359 3.06 0.09 0.05 0.09
7 A1 1189 1133 0.81 3.11 0.13 0.23
8 A1 897 855 0.78 12.45 0.12 0.21
9 A1 367 350 0.05 0.49 0.31 0.47
10 A2 3143 2995 0.00 7.69 0.75 0.86
11 A2 1509 1438 0.00 8.91 0.75 0.86
12 A2 1328 1266 0.00 2.01 0.75 0.86
13 A2 915 872 0.00 0.21 0.75 0.86
14 A2 224 214 0.00 0.01 0.75 0.86
15 B1 3152 3003 70.30 22.65 0.75 0.86
16 B1 3109 2963 2.17 130.57 0.75 0.86
17 B1 1528 1456 13.47 0.04 0.75 0.86
18 B1 1222 1165 0.07 0.23 0.75 0.86
19 B1 755 719 2.56 0.03 0.75 0.86
20 B1 281 268 0.00 0.02 0.75 0.86
21 B2 3153 3004 22.89 45.42 0.75 0.86
22 B2 3061 2917 30.18 1.09 0.75 0.86
23 B2 1515 1443 2.00 0.07 0.75 0.86
24 B2 1410 1344 4.30 0.04 0.75 0.86
25 B2 1372 1307 1.95 0.61 0.75 0.86
26 B2 1087 1035 0.57 4.82 0.75 0.86
27 B2 936 892 1.55 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22950.6 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 21869.6 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/aug-cc-pVTZ
ABC
0.98148 0.28526 0.25184

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.592
C2 0.000 1.262 -0.261
C3 0.000 -1.262 -0.261
H4 0.875 0.000 1.246
H5 -0.875 0.000 1.246
H6 0.000 2.163 0.352
H7 0.000 -2.163 0.352
H8 0.880 1.294 -0.904
H9 -0.880 1.294 -0.904
H10 -0.880 -1.294 -0.904
H11 0.880 -1.294 -0.904

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52361.52361.09181.09182.17672.17672.16502.16502.16502.1650
C21.52362.52492.15142.15141.08963.48021.09081.09082.77882.7788
C31.52362.52492.15142.15143.48021.08962.77882.77881.09081.0908
H41.09182.15142.15141.74912.49892.49892.50903.06193.06192.5090
H51.09182.15142.15141.74912.49892.49893.06192.50902.50903.0619
H62.17671.08963.48022.49892.49894.32691.76331.76333.78203.7820
H72.17673.48021.08962.49892.49894.32693.78203.78201.76331.7633
H82.16501.09082.77882.50903.06191.76333.78201.76103.12962.5871
H92.16501.09082.77883.06192.50901.76333.78201.76102.58713.1296
H102.16502.77881.09083.06192.50903.78201.76333.12962.58711.7610
H112.16502.77881.09082.50903.06193.78201.76332.58713.12961.7610

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.738 C1 C2 H8 110.718
C1 C2 H9 110.718 C1 C3 H7 111.738
C1 C3 H10 110.718 C1 C3 H11 110.718
C2 C1 C3 111.909 C2 C1 H4 109.581
C2 C1 H5 109.581 C3 C1 H4 109.581
C3 C1 H5 109.581 H4 C1 H5 106.456
H6 C2 H8 107.937 H6 C2 H9 107.937
H7 C3 H10 107.937 H7 C3 H11 107.937
H8 C2 H9 107.638 H10 C3 H11 107.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability