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All results from a given calculation for C5H8 (1,3-Pentadiene, (Z)-)

using model chemistry: PBEPBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-195.028283
Energy at 298.15K-195.035607
HF Energy-195.028283
Nuclear repulsion energy154.599607
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 PBEPBE/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' 3180 3134 16.39      
2 A' 3101 3056 43.65      
3 A' 3096 3052 13.11      
4 A' 3090 3046 8.42      
5 A' 3079 3035 7.23      
6 A' 3067 3023 1.34      
7 A' 2968 2926 28.28      
8 A' 1678 1654 9.77      
9 A' 1630 1607 1.85      
10 A' 1471 1450 7.57      
11 A' 1445 1424 12.60      
12 A' 1392 1372 3.35      
13 A' 1366 1347 2.07      
14 A' 1291 1272 1.00      
15 A' 1266 1248 1.37      
16 A' 1171 1154 1.90      
17 A' 1041 1026 0.08      
18 A' 954 941 14.41      
19 A' 884 871 2.76      
20 A' 602 594 5.55      
21 A' 378 372 3.99      
22 A' 213 210 0.24      
23 A" 3017 2973 18.49      
24 A" 1461 1440 6.94      
25 A" 1029 1015 1.20      
26 A" 1007 993 11.32      
27 A" 951 937 2.16      
28 A" 875 862 42.55      
29 A" 782 771 6.38      
30 A" 625 616 23.09      
31 A" 345 340 0.04      
32 A" 154 152 0.03      
33 A" 126 124 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 24366.1 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 24017.6 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 PBEPBE/6-31G*
ABC
0.52923 0.08678 0.07561

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.409 0.165 0.000
C2 1.108 -0.203 0.000
C3 0.000 0.740 0.000
C4 -1.324 0.443 0.000
C5 -1.960 -0.917 0.000
H6 2.705 1.221 0.000
H7 3.218 -0.572 0.000
H8 0.866 -1.273 0.000
H9 0.286 1.800 0.000
H10 -2.028 1.286 0.000
H11 -1.226 -1.738 0.000
H12 -2.611 -1.046 0.885
H13 -2.611 -1.046 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.35172.47673.74364.50051.09631.09392.10912.67984.57684.10265.23945.2394
C21.35171.45472.51673.14982.13862.14141.09752.16523.47202.79353.91513.9151
C32.47671.45471.35702.56572.74703.47462.19111.09892.10062.76393.28473.2847
C43.74362.51671.35701.50094.10314.65382.78252.10631.09842.18292.15792.1579
C54.50053.14982.56571.50095.13055.18862.84803.52522.20391.10111.10661.1066
H61.09632.13862.74704.10315.13051.86453.09822.48674.73334.91925.84615.8461
H71.09392.14143.47464.65385.18861.86452.45393.77105.56524.59375.91465.9146
H82.10911.09752.19112.78252.84803.09822.45393.12783.86352.14283.59523.5952
H92.67982.16521.09892.10633.52522.48673.77103.12782.37113.84764.15704.1570
H104.57683.47202.10061.09842.20394.73335.56523.86352.37113.12842.56162.5616
H114.10262.79352.76392.18291.10114.91924.59372.14283.84763.12841.78351.7835
H125.23943.91513.28472.15791.10665.84615.91463.59524.15702.56161.78351.7700
H135.23943.91513.28472.15791.10665.84615.91463.59524.15702.56161.78351.7700

picture of 1,3-Pentadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.854 C1 C2 H8 118.526
C2 C1 H6 121.411 C2 C1 H7 121.886
C2 C3 C4 127.008 C2 C3 H9 115.265
C3 C2 H8 117.620 C3 C4 C5 127.667
C3 C4 H10 117.246 C4 C3 H9 117.727
C4 C5 H11 113.162 C4 C5 H12 110.802
C4 C5 H13 110.802 C5 C4 H10 115.086
H6 C1 H7 116.703 H11 C5 H12 107.775
H11 C5 H13 107.775 H12 C5 H13 106.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.374      
2 C -0.067      
3 C -0.122      
4 C -0.120      
5 C -0.533      
6 H 0.148      
7 H 0.151      
8 H 0.132      
9 H 0.128      
10 H 0.137      
11 H 0.171      
12 H 0.175      
13 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.534 -0.230 0.000 0.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.683 0.193 0.000
y 0.193 -29.271 0.000
z 0.000 0.000 -34.229
Traceless
 xyz
x 3.067 0.193 0.000
y 0.193 2.185 0.000
z 0.000 0.000 -5.252
Polar
3z2-r2-10.504
x2-y20.588
xy0.193
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.665 0.846 0.000
y 0.846 7.468 0.000
z 0.000 0.000 3.875


<r2> (average value of r2) Å2
<r2> 157.713
(<r2>)1/2 12.558