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

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-195.179410
Energy at 298.15K-195.186994
HF Energy-194.908866
Nuclear repulsion energy155.666482
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 B2PLYP/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 A 3243 3111 12.97      
2 A 3162 3034 3.06      
3 A 3152 3024 4.23      
4 A 3036 2912 19.86      
5 A 1708 1639 0.83      
6 A 1487 1427 6.49      
7 A 1461 1402 0.02      
8 A 1329 1275 0.13      
9 A 1272 1220 0.05      
10 A 1093 1048 3.14      
11 A 1037 995 10.70      
12 A 955 916 39.93      
13 A 922 884 3.69      
14 A 686 659 10.40      
15 A 374 359 0.50      
16 A 303 291 0.12      
17 A 90 86 0.01      
18 B 3242 3111 16.49      
19 B 3161 3033 8.09      
20 B 3152 3024 23.32      
21 B 3078 2953 13.05      
22 B 1694 1626 24.47      
23 B 1464 1404 3.99      
24 B 1336 1282 0.15      
25 B 1313 1259 4.25      
26 B 1180 1132 2.98      
27 B 1041 998 15.79      
28 B 976 937 2.54      
29 B 954 915 38.35      
30 B 904 867 7.85      
31 B 621 596 11.64      
32 B 456 437 2.99      
33 B 104 100 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24991.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 23977.1 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 B2PLYP/cc-pVTZ
ABC
0.66554 0.07881 0.07823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.664
C2 0.000 1.245 -0.178
C3 0.000 -1.245 -0.178
C4 0.962 2.161 -0.176
C5 -0.962 -2.161 -0.176
H6 -0.880 -0.009 1.311
H7 0.880 0.009 1.311
H8 -0.855 1.371 -0.833
H9 0.855 -1.371 -0.833
H10 0.912 3.036 -0.807
H11 -0.912 -3.036 -0.807
H12 1.832 2.065 0.461
H13 -1.832 -2.065 0.461

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50281.50282.51022.51021.09271.09272.20232.20233.49483.49482.76792.7679
C21.50282.49031.32843.53932.13612.12601.08442.82892.10614.42222.10613.8370
C31.50282.49033.53931.32842.12602.13612.82891.08444.42222.10613.83702.1061
C42.51021.32843.53934.73093.21162.61742.08743.59371.08025.56041.08215.1062
C52.51023.53931.32844.73092.61743.21163.59372.08745.56041.08025.10621.0821
H61.09272.13612.12603.21162.61741.76062.54983.07624.11953.69513.51822.4201
H71.09272.12602.13612.61743.21161.76063.07622.54983.69514.11952.42013.5182
H82.20231.08442.82892.08743.59372.54983.07623.23042.42804.40703.06173.7996
H92.20232.82891.08443.59372.08743.07622.54983.23044.40702.42803.79963.0617
H103.49482.10614.42221.08025.56044.11953.69512.42804.40706.34001.84315.9297
H113.49484.42222.10615.56041.08023.69514.11954.40702.42806.34005.92971.8431
H122.76792.10613.83701.08215.10623.51822.42013.06173.79961.84315.92975.5210
H132.76793.83702.10615.10621.08212.42013.51823.79963.06175.92971.84315.5210

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 124.788 C1 C2 H8 115.752
C1 C3 C5 124.788 C1 C3 H9 115.752
C2 C1 C3 111.901 C2 C1 H6 109.770
C2 C1 H7 108.972 C2 C4 H10 121.611
C2 C4 H12 121.445 C3 C1 H6 108.972
C3 C1 H7 109.770 C3 C5 H11 121.611
C3 C5 H13 121.445 C4 C2 H8 119.455
C5 C3 H9 119.455 H6 C1 H7 107.347
H10 C4 H12 116.944 H11 C5 H13 116.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.143      
2 C -0.097      
3 C -0.097      
4 C -0.313      
5 C -0.313      
6 H 0.102      
7 H 0.102      
8 H 0.133      
9 H 0.133      
10 H 0.127      
11 H 0.127      
12 H 0.120      
13 H 0.120      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.845 2.832 0.000
y 2.832 11.046 0.000
z 0.000 0.000 6.699


<r2> (average value of r2) Å2
<r2> 157.890
(<r2>)1/2 12.565