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All results from a given calculation for C5H8 (2,3-Pentadiene)

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-194.168168
Energy at 298.15K-194.175145
Nuclear repulsion energy152.399180
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 LSDA/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 3093 3035 7.03      
2 A 3058 3001 5.84      
3 A 3040 2984 12.45      
4 A 2978 2923 5.59      
5 A 1494 1466 2.65      
6 A 1442 1415 8.30      
7 A 1421 1394 1.22      
8 A 1360 1335 4.78      
9 A 1154 1132 0.37      
10 A 1068 1048 0.49      
11 A 1019 1000 0.19      
12 A 872 856 23.76      
13 A 827 811 0.07      
14 A 545 535 2.25      
15 A 287 282 1.68      
16 A 185 182 0.02      
17 A 137 135 1.74      
18 A 3093 3035 16.22      
19 A 3056 2999 5.43      
20 A 3041 2984 12.39      
21 A 2978 2922 51.78      
22 A 2077 2038 9.74      
23 A 1452 1425 10.35      
24 A 1441 1414 8.91      
25 A 1360 1334 3.23      
26 A 1271 1248 18.79      
27 A 1098 1077 1.21      
28 A 1015 996 0.04      
29 A 959 941 24.35      
30 A 692 679 19.78      
31 A 565 555 12.79      
32 A 230 226 0.57      
33 A 163 160 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 24236.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 23782.8 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 LSDA/6-31G*
ABC
0.58065 0.07484 0.07240

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.411
C2 0.000 1.309 0.409
C3 0.000 -1.309 0.409
C4 -0.865 2.162 -0.455
C5 0.865 -2.162 -0.455
H6 0.685 1.834 1.094
H7 -0.685 -1.834 1.094
H8 -1.511 2.821 0.154
H9 -0.259 2.824 -1.100
H10 -1.512 1.549 -1.103
H11 1.511 -2.821 0.154
H12 0.259 -2.824 -1.100
H13 1.512 -1.549 -1.103

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30911.30912.48412.48412.07342.07343.21073.21322.64143.21073.21322.6414
C21.30912.61811.49053.67971.10183.28902.15292.15362.15154.40534.40743.5692
C31.30912.61813.67971.49053.28901.10184.40534.40743.56922.15292.15362.1515
C42.48411.49053.67974.65662.21564.28901.10581.10581.10155.55385.15124.4542
C52.48413.67971.49054.65664.28902.21565.55385.15124.45421.10581.10581.1015
H62.07341.10183.28902.21564.28903.91562.58482.58503.11984.82045.16644.1174
H72.07343.28901.10184.28902.21563.91564.82045.16644.11742.58482.58503.1198
H83.21072.15294.40531.10585.55382.58484.82041.77221.78796.40076.04745.4606
H93.21322.15364.40741.10585.15122.58505.16641.77221.78826.04745.67174.7180
H102.64142.15153.56921.10154.45423.11984.11741.78791.78825.46064.71804.3297
H113.21074.40532.15295.55381.10584.82042.58486.40076.04745.46061.77221.7879
H123.21324.40742.15365.15121.10585.16642.58506.04745.67174.71801.77221.7882
H132.64143.56922.15154.45421.10154.11743.11985.46064.71804.32971.78791.7882

picture of 2,3-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.954 C1 C2 H6 118.390
C1 C3 C5 124.954 C1 C3 H7 118.390
C2 C1 C3 179.810 C2 C4 H8 111.171
C2 C4 H9 111.232 C2 C4 H10 111.324
C3 C5 H11 111.171 C3 C5 H12 111.232
C3 C5 H13 111.324 C4 C2 H6 116.656
C5 C3 H7 116.656 H8 C4 H9 106.510
H8 C4 H10 108.192 H9 C4 H10 108.220
H11 C5 H12 106.510 H11 C5 H13 108.192
H12 C5 H13 108.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.345      
2 C -0.341      
3 C -0.341      
4 C -0.568      
5 C -0.568      
6 H 0.172      
7 H 0.172      
8 H 0.188      
9 H 0.187      
10 H 0.190      
11 H 0.188      
12 H 0.187      
13 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.219 0.219
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.464 -0.292 0.000
y -0.292 -27.279 0.000
z 0.000 0.000 -31.654
Traceless
 xyz
x -1.998 -0.292 0.000
y -0.292 4.281 0.000
z 0.000 0.000 -2.283
Polar
3z2-r2-4.566
x2-y2-4.186
xy-0.292
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.959 -1.077 0.000
y -1.077 13.564 0.000
z 0.000 0.000 5.848


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000