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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-195.208743
Energy at 298.15K-195.216045
Nuclear repulsion energy152.202606
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 BLYP/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 3162 3138 19.60      
2 A 3077 3053 6.07      
3 A 3065 3041 71.40      
4 A 3056 3033 5.62      
5 A 3051 3027 0.65      
6 A 3034 3011 8.15      
7 A 2945 2922 42.45      
8 A 1664 1651 13.66      
9 A 1625 1612 3.31      
10 A 1467 1456 6.77      
11 A 1427 1416 2.46      
12 A 1386 1375 3.20      
13 A 1306 1296 3.12      
14 A 1291 1281 0.49      
15 A 1271 1261 3.17      
16 A 1184 1175 0.86      
17 A 1071 1063 0.11      
18 A 969 961 9.20      
19 A 888 882 7.03      
20 A 472 468 0.00      
21 A 443 439 0.35      
22 A 192 191 1.62      
23 A 2985 2962 26.93      
24 A 1454 1443 4.89      
25 A 1032 1024 0.19      
26 A 1022 1014 27.00      
27 A 954 947 3.77      
28 A 875 868 30.94      
29 A 816 809 5.40      
30 A 631 626 0.65      
31 A 256 254 1.54      
32 A 208 206 0.04      
33 A 138 137 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 24207.4 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 24021.0 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 BLYP/6-31G**
ABC
0.94645 0.07069 0.06659

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.424 0.827 0.000
C2 -1.421 -0.081 0.000
C3 0.000 0.251 0.000
C4 1.000 -0.663 0.000
C5 2.473 -0.343 0.000
H6 -2.223 1.902 0.000
H7 -3.474 0.525 0.000
H8 -1.670 -1.150 0.000
H9 0.254 1.319 0.000
H10 0.735 -1.729 0.000
H11 2.654 0.743 0.000
H12 2.978 -0.774 0.884
H13 2.978 -0.774 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.35242.49173.73475.03501.09401.09182.11572.72344.06335.07945.70335.7033
C21.35241.45962.49093.90332.13852.13961.09762.18352.71404.15824.54054.5405
C32.49171.45961.35502.54332.76893.48432.17931.09822.11152.69963.27103.2710
C43.73472.49091.35501.50694.11924.62902.71402.11801.09812.17082.16892.1689
C55.03503.90332.54331.50695.20486.00964.22042.77232.22271.10111.10531.1053
H61.09402.13852.76894.11925.20481.86043.10152.54464.68285.01295.91515.9151
H71.09182.13963.48434.62906.00961.86042.46153.81154.77386.13186.64006.6400
H82.11571.09762.17932.71404.22043.10152.46153.13002.47324.72014.74574.7457
H92.72342.18351.09822.11802.77232.54463.81153.13003.08552.46843.54703.5470
H104.06332.71402.11151.09812.22274.68284.77382.47323.08553.12942.59292.5929
H115.07944.15822.69962.17081.10115.01296.13184.72012.46843.12941.78521.7852
H125.70334.54053.27102.16891.10535.91516.64004.74573.54702.59291.78521.7676
H135.70334.54053.27102.16891.10535.91516.64004.74573.54702.59291.78521.7676

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.729 C1 C2 H8 119.074
C2 C1 H6 121.523 C2 C1 H7 121.811
C2 C3 C4 124.458 C2 C3 H9 116.517
C3 C2 H8 116.196 C3 C4 C5 125.330
C3 C4 H10 118.422 C4 C3 H9 119.025
C4 C5 H11 111.742 C4 C5 H12 111.322
C4 C5 H13 111.322 C5 C4 H10 116.249
H6 C1 H7 116.666 H11 C5 H12 108.016
H11 C5 H13 108.016 H12 C5 H13 106.181
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 C -0.003      
3 C -0.027      
4 C -0.049      
5 C -0.321      
6 H 0.077      
7 H 0.080      
8 H 0.054      
9 H 0.048      
10 H 0.059      
11 H 0.099      
12 H 0.106      
13 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.589 -0.213 0.000 0.626
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.382 -0.137 0.000
y -0.137 -29.567 0.000
z 0.000 0.000 -34.075
Traceless
 xyz
x 2.439 -0.137 0.000
y -0.137 2.161 0.000
z 0.000 0.000 -4.600
Polar
3z2-r2-9.200
x2-y20.185
xy-0.137
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 175.749
(<r2>)1/2 13.257