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

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 C1 1A'
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-194.670374
Energy at 298.15K-194.677668
HF Energy-193.951330
Nuclear repulsion energy156.767125
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 A 3313 3112 1.49      
2 A 3223 3027 25.04      
3 A 3221 3025 27.98      
4 A 3221 3025 4.61      
5 A 3218 3022 7.12      
6 A 3152 2960 13.38      
7 A 3124 2934 19.42      
8 A 3107 2918 34.29      
9 A 2054 1929 18.04      
10 A 1548 1454 5.84      
11 A 1540 1447 8.20      
12 A 1532 1438 0.25      
13 A 1518 1425 2.54      
14 A 1462 1373 4.70      
15 A 1407 1321 14.42      
16 A 1377 1293 0.17      
17 A 1313 1233 0.26      
18 A 1172 1101 1.23      
19 A 1131 1062 2.35      
20 A 1118 1050 2.51      
21 A 1043 979 0.76      
22 A 1017 955 0.40      
23 A 916 861 17.42      
24 A 883 829 23.86      
25 A 868 816 40.25      
26 A 812 762 2.35      
27 A 636 597 4.12      
28 A 521 490 4.91      
29 A 362 340 4.32      
30 A 314 295 10.50      
31 A 264 248 0.01      
32 A 153 144 0.74      
33 A 72 68 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 25305.3 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 23766.7 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/6-31+G**
ABC
0.34006 0.10740 0.08562

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.386 0.494 -0.000
C2 1.478 -1.025 0.000
C3 -0.026 1.024 0.001
C4 -1.109 0.276 -0.001
C5 -2.201 -0.456 0.000
H6 1.904 0.897 -0.874
H7 1.906 0.898 0.872
H8 0.993 -1.443 0.880
H9 2.519 -1.345 -0.001
H10 0.991 -1.443 -0.879
H11 -0.151 2.102 0.002
H12 -2.665 -0.770 0.926
H13 -2.667 -0.769 -0.925

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52131.50852.50483.71151.09291.09292.16322.15922.16332.22524.34364.3450
C21.52132.54162.89593.72342.15402.15401.08861.08861.08863.52624.25304.2549
C31.50852.54161.31592.63132.12302.12302.80963.47642.80961.08583.32223.3235
C42.50482.89591.31591.31543.19823.19952.85423.97342.85262.06202.09132.0914
C53.71153.72342.63131.31544.41074.41183.45684.80323.45533.27871.08161.0816
H61.09292.15402.12303.19824.41071.74613.06312.48322.51232.53865.18614.8658
H71.09292.15402.12303.19954.41181.74612.51222.48333.06322.53764.86575.1882
H82.16321.08862.80962.85423.45683.06312.51221.76491.75913.82703.71924.1358
H92.15921.08863.47643.97344.80322.48322.48331.76491.76494.36015.29725.2989
H102.16331.08862.80962.85263.45532.51233.06321.75911.76493.82764.13233.7200
H112.22523.52621.08582.06203.27872.53862.53763.82704.36013.82763.92703.9283
H124.34364.25303.32222.09131.08165.18614.86573.71925.29724.13233.92701.8505
H134.34504.25493.32352.09141.08164.86585.18824.13585.29893.72003.92831.8505

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 110.871 C1 C2 H9 110.552
C1 C2 H10 110.879 C1 C3 C4 124.811
C1 C3 H11 117.195 C2 C1 C3 114.036
C2 C1 H6 109.883 C2 C1 H7 109.887
C3 C1 H6 108.334 C3 C1 H7 108.331
C3 C4 C5 179.217 C4 C3 H11 117.994
C4 C5 H12 121.184 C4 C5 H13 121.198
H6 C1 H7 106.046 H8 C2 H9 108.319
H8 C2 H10 107.797 H9 C2 H10 108.318
H12 C5 H13 117.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability