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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-194.636157
Energy at 298.15K-194.643550
HF Energy-193.932585
Nuclear repulsion energy156.664276
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=FULL/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' 3202 3004 3.90      
2 A' 3198 3001 10.98      
3 A' 3189 2992 29.33      
4 A' 3109 2917 16.51      
5 A' 3087 2896 32.10      
6 A' 2107 1977 14.09      
7 A' 1564 1467 4.97      
8 A' 1555 1459 0.40      
9 A' 1537 1442 2.01      
10 A' 1480 1389 4.88      
11 A' 1429 1340 11.19      
12 A' 1404 1317 0.82      
13 A' 1190 1117 0.72      
14 A' 1132 1062 3.60      
15 A' 1029 965 0.47      
16 A' 896 841 46.21      
17 A' 883 829 10.39      
18 A' 650 609 2.06      
19 A' 371 348 2.52      
20 A' 156 146 0.19      
21 A" 3278 3075 4.81      
22 A" 3190 2993 27.27      
23 A" 3118 2926 18.79      
24 A" 1557 1461 6.98      
25 A" 1332 1249 0.05      
26 A" 1150 1079 2.44      
27 A" 1062 996 0.11      
28 A" 929 872 13.33      
29 A" 819 769 3.51      
30 A" 533 500 4.59      
31 A" 337 317 4.90      
32 A" 266 249 0.01      
33 A" 93 88 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 25414.3 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 23846.2 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 MP3=FULL/6-31G*
ABC
0.33845 0.10759 0.08565

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.400 0.455 0.000
C2 -1.450 -1.069 0.000
C3 0.000 1.022 0.000
C4 1.104 0.313 0.000
C5 2.210 -0.393 0.000
H6 -1.933 0.846 0.876
H7 -1.933 0.846 -0.876
H8 -0.949 -1.476 -0.884
H9 -2.486 -1.418 0.000
H10 -0.949 -1.476 0.884
H11 0.081 2.110 0.000
H12 2.692 -0.695 -0.926
H13 2.692 -0.695 0.926

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52471.51052.50813.70811.09781.09782.17092.16522.17092.22104.35004.3500
C21.52472.54442.90393.72132.16082.16081.09401.09401.09403.52844.26014.2601
C31.51052.54441.31202.62422.12992.12992.81483.48382.81481.09103.32453.3245
C42.50812.90391.31201.31223.20593.20592.86363.98632.86362.06752.09662.0966
C53.70813.72132.62421.31224.41244.41243.45464.80693.45463.28601.08691.0869
H61.09782.16082.12993.20594.41241.75223.07532.48982.52212.53445.19774.8754
H71.09782.16082.12993.20594.41241.75222.52212.48983.07532.53444.87545.1977
H82.17091.09402.81482.86363.45463.07532.52211.77401.76723.83453.72424.1405
H92.16521.09403.48383.98634.80692.48982.48981.77401.77404.36345.30995.3099
H102.17091.09402.81482.86363.45462.52213.07531.76721.77403.83454.14053.7242
H112.22103.52841.09102.06753.28602.53442.53443.83454.36343.83453.94243.9424
H124.35004.26013.32452.09661.08695.19774.87543.72425.30994.14053.94241.8525
H134.35004.26013.32452.09661.08694.87545.19774.14055.30993.72423.94241.8525

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 110.919 C1 C2 H9 110.465
C1 C2 H10 110.919 C1 C3 C4 125.251
C1 C3 H11 116.316 C2 C1 C3 113.920
C2 C1 H6 109.896 C2 C1 H7 109.896
C3 C1 H6 108.456 C3 C1 H7 108.456
C3 C4 C5 179.884 C4 C3 H11 118.433
C4 C5 H12 121.549 C4 C5 H13 121.549
H6 C1 H7 105.892 H8 C2 H9 108.343
H8 C2 H10 107.748 H9 C2 H10 108.343
H12 C5 H13 116.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability