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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-195.274991
Energy at 298.15K-195.282427
HF Energy-195.274991
Nuclear repulsion energy155.611731
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 mPW1PW91/6-31+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' 3275 3117 13.05      
2 A' 3202 3048 29.00      
3 A' 3194 3040 16.04      
4 A' 3179 3026 8.19      
5 A' 3176 3023 4.70      
6 A' 3163 3010 3.55      
7 A' 3057 2910 28.39      
8 A' 1742 1658 14.54      
9 A' 1682 1601 6.12      
10 A' 1498 1426 8.76      
11 A' 1478 1407 17.34      
12 A' 1424 1356 3.68      
13 A' 1398 1330 2.30      
14 A' 1325 1261 0.90      
15 A' 1296 1234 2.35      
16 A' 1199 1141 1.56      
17 A' 1068 1016 0.03      
18 A' 975 928 14.33      
19 A' 906 862 3.17      
20 A' 618 588 5.75      
21 A' 388 369 4.41      
22 A' 216 206 0.24      
23 A" 3114 2964 14.06      
24 A" 1487 1415 8.64      
25 A" 1060 1009 1.66      
26 A" 1042 992 17.20      
27 A" 996 948 1.38      
28 A" 939 894 60.66      
29 A" 807 768 8.20      
30 A" 645 614 34.83      
31 A" 361 343 0.49      
32 A" 140 134 0.00      
33 A" 116 110 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 25081.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 23872.2 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 mPW1PW91/6-31+G**
ABC
0.53358 0.08795 0.07657

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.394 0.152 0.000
C2 1.103 -0.209 0.000
C3 0.000 0.738 0.000
C4 -1.313 0.448 0.000
C5 -1.951 -0.904 0.000
H6 2.690 1.198 0.000
H7 3.190 -0.584 0.000
H8 0.861 -1.269 0.000
H9 0.286 1.789 0.000
H10 -2.006 1.287 0.000
H11 -1.227 -1.720 0.000
H12 -2.595 -1.026 0.878
H13 -2.595 -1.026 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34092.46473.71904.47141.08641.08402.09042.66884.54434.07675.20065.2006
C21.34091.45372.50363.13162.12072.12051.08702.15813.45012.77723.88713.8871
C32.46471.45371.34502.55022.72883.45302.18381.08852.08002.74793.25843.2584
C43.71902.50361.34501.49484.07274.61972.76992.08691.08832.16972.14132.1413
C54.47143.13162.55021.49485.09445.15052.83513.50062.19171.09061.09571.0957
H61.08642.12072.72884.07275.09441.85023.07042.47574.69714.88445.80025.8002
H71.08402.12053.45304.61975.15051.85022.42763.74995.52264.56095.86745.8674
H82.09041.08702.18382.76992.83513.07042.42763.11093.84072.13633.57353.5735
H92.66882.15811.08852.08693.50062.47573.74993.11092.34653.82124.12214.1221
H104.54433.45012.08001.08832.19174.69715.52263.84072.34653.10632.54292.5429
H114.07672.77722.74792.16971.09064.88444.56092.13633.82123.10631.76711.7671
H125.20063.88713.25842.14131.09575.80025.86743.57354.12212.54291.76711.7561
H135.20063.88713.25842.14131.09575.80025.86743.57354.12212.54291.76711.7561

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 123.711 C1 C2 H8 118.483
C2 C1 H6 121.427 C2 C1 H7 121.608
C2 C3 C4 126.855 C2 C3 H9 115.441
C3 C2 H8 117.806 C3 C4 C5 127.726
C3 C4 H10 117.083 C4 C3 H9 117.705
C4 C5 H11 113.190 C4 C5 H12 110.566
C4 C5 H13 110.566 C5 C4 H10 115.191
H6 C1 H7 116.964 H11 C5 H12 107.857
H11 C5 H13 107.857 H12 C5 H13 106.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.439      
2 C 0.041      
3 C -0.114      
4 C -0.070      
5 C -0.700      
6 H 0.155      
7 H 0.159      
8 H 0.143      
9 H 0.149      
10 H 0.156      
11 H 0.162      
12 H 0.180      
13 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.575 -0.249 0.000 0.627
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.121 0.263 0.000
y 0.263 -29.657 0.000
z 0.000 0.000 -35.474
Traceless
 xyz
x 3.445 0.263 0.000
y 0.263 2.640 0.000
z 0.000 0.000 -6.085
Polar
3z2-r2-12.170
x2-y20.537
xy0.263
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.543 0.916 0.000
y 0.916 7.836 0.000
z 0.000 0.000 6.096


<r2> (average value of r2) Å2
<r2> 156.344
(<r2>)1/2 12.504