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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-195.159633
Energy at 298.15K-195.167006
Nuclear repulsion energy151.799763
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 3171 3147 27.89      
2 A 3085 3061 7.34      
3 A 3071 3047 83.63      
4 A 3060 3037 5.11      
5 A 3056 3033 1.71      
6 A 3035 3012 9.72      
7 A 2943 2921 49.24      
8 A 1666 1653 13.07      
9 A 1627 1614 4.00      
10 A 1498 1487 8.58      
11 A 1457 1446 3.26      
12 A 1421 1410 1.97      
13 A 1336 1325 2.65      
14 A 1317 1307 1.23      
15 A 1307 1297 1.36      
16 A 1205 1196 1.14      
17 A 1087 1078 0.87      
18 A 990 983 9.86      
19 A 906 899 6.50      
20 A 479 476 0.00      
21 A 452 449 0.30      
22 A 196 194 1.39      
23 A 2986 2963 32.97      
24 A 1486 1475 7.67      
25 A 1063 1055 0.37      
26 A 1030 1023 35.90      
27 A 967 960 9.21      
28 A 908 901 40.22      
29 A 837 831 8.72      
30 A 638 634 1.11      
31 A 257 255 2.03      
32 A 205 203 0.07      
33 A 138 137 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 24439.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 24253.7 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 BLYP/6-31G
ABC
0.94134 0.07028 0.06621

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 -2.431 0.830 0.000
C2 -1.426 -0.081 0.000
C3 0.000 0.250 0.000
C4 1.003 -0.667 0.000
C5 2.480 -0.344 0.000
H6 -2.232 1.907 0.000
H7 -3.482 0.531 0.000
H8 -1.673 -1.151 0.000
H9 0.254 1.320 0.000
H10 0.742 -1.735 0.000
H11 2.658 0.744 0.000
H12 2.987 -0.773 0.886
H13 2.987 -0.773 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.35712.49943.74695.04951.09481.09242.12162.72924.08075.08995.71925.7192
C21.35711.46362.49873.91422.14512.14571.09842.18672.72684.16614.55324.5532
C32.49941.46361.35982.55012.77923.49332.18261.09872.11972.70343.27913.2791
C43.74692.49871.35981.51134.13424.64282.71982.12351.09922.17482.17482.1748
C55.04953.91422.55011.51135.22166.02584.23052.77902.22561.10291.10721.1072
H61.09482.14512.77924.13425.22161.85863.10862.55404.70195.02605.93285.9328
H71.09242.14573.49334.64286.02581.85862.47063.81794.79406.14366.65816.6581
H82.12161.09842.18262.71984.23053.10862.47063.13322.48494.72764.75834.7583
H92.72922.18671.09872.12352.77902.55403.81793.13323.09332.47213.55423.5542
H104.08072.72682.11971.09922.22564.70194.79402.48493.09333.13312.59782.5978
H115.08994.16612.70342.17481.10295.02606.14364.72762.47213.13311.78741.7874
H125.71924.55323.27912.17481.10725.93286.65814.75833.55422.59781.78741.7723
H135.71924.55323.27912.17481.10725.93286.65814.75833.55422.59781.78741.7723

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 124.727 C1 C2 H8 119.163
C2 C1 H6 121.685 C2 C1 H7 121.948
C2 C3 C4 124.463 C2 C3 H9 116.444
C3 C2 H8 116.111 C3 C4 C5 125.211
C3 C4 H10 118.706 C4 C3 H9 119.093
C4 C5 H11 111.640 C4 C5 H12 111.376
C4 C5 H13 111.376 C5 C4 H10 116.083
H6 C1 H7 116.367 H11 C5 H12 107.942
H11 C5 H13 107.942 H12 C5 H13 106.326
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 -0.286      
2 C -0.036      
3 C -0.065      
4 C -0.073      
5 C -0.422      
6 H 0.105      
7 H 0.106      
8 H 0.091      
9 H 0.087      
10 H 0.094      
11 H 0.130      
12 H 0.135      
13 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.601 -0.226 0.000 0.642
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.408 -0.141 0.000
y -0.141 -29.623 0.000
z 0.000 0.000 -34.345
Traceless
 xyz
x 2.576 -0.141 0.000
y -0.141 2.253 0.000
z 0.000 0.000 -4.829
Polar
3z2-r2-9.657
x2-y20.215
xy-0.141
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> 176.709
(<r2>)1/2 13.293