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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-194.122079
Energy at 298.15K-194.129129
Nuclear repulsion energy152.036351
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 3097 3034 10.67      
2 A 3063 3001 6.37      
3 A 3044 2983 16.07      
4 A 2975 2914 6.85      
5 A 1500 1469 2.96      
6 A 1465 1435 11.56      
7 A 1436 1407 2.28      
8 A 1389 1361 7.53      
9 A 1179 1155 0.73      
10 A 1089 1067 0.72      
11 A 1047 1026 0.37      
12 A 899 881 30.63      
13 A 833 816 0.05      
14 A 547 536 2.46      
15 A 296 290 1.60      
16 A 178 175 0.01      
17 A 138 135 2.27      
18 A 3097 3034 22.68      
19 A 3062 3000 5.45      
20 A 3044 2983 15.97      
21 A 2974 2913 60.44      
22 A 2085 2043 10.08      
23 A 1472 1442 13.96      
24 A 1464 1434 12.20      
25 A 1387 1359 6.16      
26 A 1299 1273 13.17      
27 A 1109 1087 2.93      
28 A 1044 1023 0.00      
29 A 982 962 26.07      
30 A 723 709 26.10      
31 A 570 559 13.55      
32 A 228 223 0.80      
33 A 160 157 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 24437.9 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 23941.8 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
0.58104 0.07430 0.07190

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 1.313 0.409
C3 0.000 -1.313 0.409
C4 -0.865 2.172 -0.455
C5 0.865 -2.172 -0.455
H6 0.683 1.844 1.091
H7 -0.683 -1.844 1.091
H8 -1.511 2.831 0.156
H9 -0.256 2.833 -1.099
H10 -1.514 1.562 -1.105
H11 1.511 -2.831 0.156
H12 0.256 -2.833 -1.099
H13 1.514 -1.562 -1.105

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.31291.31292.49262.49262.08062.08063.21873.22092.65093.21873.22092.6509
C21.31292.62581.49373.69271.10173.30102.15632.15692.15494.41764.41953.5842
C31.31292.62583.69271.49373.30101.10174.41764.41953.58422.15632.15692.1549
C42.49261.49373.69274.67502.21194.30661.10651.10641.10225.57125.16934.4742
C52.49263.69271.49374.67504.30662.21195.57125.16934.47421.10651.10641.1022
H62.08061.10173.30102.21194.30663.93252.58092.58043.11854.83845.18234.1364
H72.08063.30101.10174.30662.21193.93254.83845.18234.13642.58092.58043.1185
H83.21872.15634.41761.10655.57122.58094.83841.77491.78826.41716.06445.4799
H93.22092.15694.41951.10645.16932.58045.18231.77491.78846.06445.68994.7382
H102.65092.15493.58421.10224.47423.11854.13641.78821.78845.47994.73824.3501
H113.21874.41762.15635.57121.10654.83842.58096.41716.06445.47991.77491.7882
H123.22094.41952.15695.16931.10645.18232.58046.06445.68994.73821.77491.7884
H132.65093.58422.15494.47421.10224.13643.11855.47994.73824.35011.78821.7884

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 125.154 C1 C2 H6 118.751
C1 C3 C5 125.154 C1 C3 H7 118.751
C2 C1 C3 179.828 C2 C4 H8 111.179
C2 C4 H9 111.227 C2 C4 H10 111.325
C3 C5 H11 111.179 C3 C5 H12 111.227
C3 C5 H13 111.325 C4 C2 H6 116.095
C5 C3 H7 116.095 H8 C4 H9 106.652
H8 C4 H10 108.121 H9 C4 H10 108.146
H11 C5 H12 106.652 H11 C5 H13 108.121
H12 C5 H13 108.146
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 0.204      
2 C -0.272      
3 C -0.272      
4 C -0.539      
5 C -0.539      
6 H 0.170      
7 H 0.170      
8 H 0.180      
9 H 0.179      
10 H 0.181      
11 H 0.180      
12 H 0.179      
13 H 0.181      


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 -0.233 0.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.614 -0.377 0.000
y -0.377 -27.239 0.000
z 0.000 0.000 -31.817
Traceless
 xyz
x -2.086 -0.377 0.000
y -0.377 4.476 0.000
z 0.000 0.000 -2.390
Polar
3z2-r2-4.780
x2-y2-4.375
xy-0.377
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.781 -0.996 0.000
y -0.996 13.469 0.000
z 0.000 0.000 5.680


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