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All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-194.624888
Energy at 298.15K-194.632439
HF Energy-193.947083
Nuclear repulsion energy155.115874
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3290 3088 16.07      
2 A 3211 3014 2.51      
3 A 3200 3003 6.94      
4 A 3082 2892 20.34      
5 A 1769 1661 0.44      
6 A 1541 1446 6.40      
7 A 1497 1405 0.03      
8 A 1356 1273 0.02      
9 A 1300 1221 0.04      
10 A 1117 1049 1.74      
11 A 1037 974 14.62      
12 A 942 884 15.28      
13 A 941 883 26.36      
14 A 690 648 8.35      
15 A 380 357 0.47      
16 A 306 287 0.16      
17 A 87 82 0.01      
18 A 3289 3088 19.95      
19 A 3210 3013 8.18      
20 A 3200 3003 23.87      
21 A 3126 2934 15.56      
22 A 1759 1651 10.14      
23 A 1503 1411 3.63      
24 A 1370 1286 0.13      
25 A 1342 1260 4.04      
26 A 1210 1136 2.59      
27 A 1038 975 17.53      
28 A 1002 940 2.80      
29 A 941 883 34.55      
30 A 924 867 6.81      
31 A 616 579 10.47      
32 A 461 433 2.28      
33 A 97 91 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 25416.7 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 23856.1 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 MP3/6-31G*
ABC
0.65957 0.07841 0.07782

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.669
C2 0.000 1.248 -0.178
C3 0.000 -1.248 -0.178
C4 0.973 2.161 -0.178
C5 -0.973 -2.161 -0.178
H6 -0.883 -0.009 1.321
H7 0.883 0.009 1.321
H8 -0.859 1.374 -0.838
H9 0.859 -1.374 -0.838
H10 0.933 3.041 -0.814
H11 -0.933 -3.041 -0.814
H12 1.847 2.065 0.462
H13 -1.847 -2.065 0.462

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50871.50872.51732.51731.09801.09802.21242.21243.50933.50932.77802.7780
C21.50872.49671.33463.54602.14722.13621.08992.83702.11834.43522.11833.8468
C31.50872.49673.54601.33462.13622.14722.83701.08994.43522.11833.84682.1183
C42.51731.33463.54604.74093.22622.62452.10023.59811.08565.57681.08735.1210
C52.51733.54601.33464.74092.62453.22623.59812.10025.57681.08565.12101.0873
H61.09802.14722.13623.22622.62451.76632.56433.09134.14263.70803.53472.4273
H71.09802.13622.14722.62453.22621.76633.09132.56433.70804.14262.42733.5347
H82.21241.08992.83702.10023.59812.56433.09133.24022.44724.41543.07993.8067
H92.21242.83701.08993.59812.10023.09132.56433.24024.41542.44723.80673.0799
H103.50932.11834.43521.08565.57684.14263.70802.44724.41546.36141.84795.9517
H113.50934.43522.11835.57681.08563.70804.14264.41542.44726.36145.95171.8479
H122.77802.11833.84681.08735.12103.53472.42733.07993.80671.84795.95175.5405
H132.77803.84682.11835.12101.08732.42733.53473.80673.07995.95171.84795.5405

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.481 C1 C2 H8 115.794
C1 C3 C5 124.481 C1 C3 H9 115.794
C2 C1 C3 111.677 C2 C1 H6 109.922
C2 C1 H7 109.056 C2 C4 H10 121.815
C2 C4 H12 121.675 C3 C1 H6 109.056
C3 C1 H7 109.922 C3 C5 H11 121.815
C3 C5 H13 121.675 C4 C2 H8 119.714
C5 C3 H9 119.714 H6 C1 H7 107.098
H10 C4 H12 116.510 H11 C5 H13 116.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability