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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-195.262426
Energy at 298.15K-195.269428
Nuclear repulsion energy150.737399
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 B3LYP/SDD
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 3156 3034 27.72      
2 A 3135 3014 3.13      
3 A 3103 2983 34.84      
4 A 3032 2914 10.66      
5 A 1526 1467 4.87      
6 A 1511 1452 12.24      
7 A 1448 1392 0.82      
8 A 1432 1377 6.60      
9 A 1180 1134 0.62      
10 A 1103 1061 1.59      
11 A 1073 1031 0.09      
12 A 918 883 35.86      
13 A 821 790 0.01      
14 A 533 513 5.43      
15 A 295 283 1.06      
16 A 167 161 0.06      
17 A 136 130 3.27      
18 A 3156 3034 57.94      
19 A 3135 3013 2.35      
20 A 3103 2983 36.14      
21 A 3030 2913 85.02      
22 A 2058 1978 13.00      
23 A 1516 1457 17.57      
24 A 1510 1452 11.46      
25 A 1430 1374 5.86      
26 A 1322 1271 10.75      
27 A 1109 1066 6.33      
28 A 1070 1028 0.12      
29 A 973 936 19.27      
30 A 728 700 29.97      
31 A 568 546 15.50      
32 A 219 210 1.82      
33 A 153 147 2.06      

Unscaled Zero Point Vibrational Energy (zpe) 24823.6 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 23863.0 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 B3LYP/SDD
ABC
0.56908 0.07266 0.07027

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.419
C2 0.000 1.325 0.416
C3 0.000 -1.325 0.416
C4 -0.883 2.198 -0.464
C5 0.883 -2.198 -0.464
H6 0.678 1.851 1.093
H7 -0.678 -1.851 1.093
H8 -1.522 2.847 0.151
H9 -0.270 2.852 -1.101
H10 -1.527 1.591 -1.109
H11 1.522 -2.847 0.151
H12 0.270 -2.852 -1.101
H13 1.527 -1.591 -1.109

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.32531.32532.52822.52822.08302.08303.23943.24332.68313.23943.24332.6831
C21.32532.65061.52153.73741.09303.31762.16842.16892.17404.44914.45233.6279
C31.32532.65063.73741.52153.31761.09304.44914.45233.62792.16842.16892.1740
C42.52821.52153.73744.73762.23194.34291.09921.09941.09495.62285.21914.5366
C52.52823.73741.52154.73764.34292.23195.62285.21914.53661.09921.09941.0949
H62.08301.09303.31762.23194.34293.94222.59212.59143.12694.86515.20554.1735
H72.08303.31761.09304.34292.23193.94224.86515.20554.17352.59212.59143.1269
H83.23942.16844.44911.09925.62282.59214.86511.77071.77936.45666.10405.5300
H93.24332.16894.45231.09945.21912.59145.20551.77071.77996.10405.72954.7928
H102.68312.17403.62791.09494.53663.12694.17351.77931.77995.53004.79284.4102
H113.23944.44912.16845.62281.09924.86512.59216.45666.10405.53001.77071.7793
H123.24334.45232.16895.21911.09945.20552.59146.10405.72954.79281.77071.7799
H132.68313.62792.17404.53661.09494.17353.12695.53004.79284.41021.77931.7799

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 125.119 C1 C2 H6 118.621
C1 C3 C5 125.119 C1 C3 H7 118.621
C2 C1 C3 179.673 C2 C4 H8 110.629
C2 C4 H9 110.661 C2 C4 H10 111.337
C3 C5 H11 110.629 C3 C5 H12 110.661
C3 C5 H13 111.337 C4 C2 H6 116.259
C5 C3 H7 116.259 H8 C4 H9 107.293
H8 C4 H10 108.377 H9 C4 H10 108.412
H11 C5 H12 107.293 H11 C5 H13 108.377
H12 C5 H13 108.412
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.071      
2 C -0.222      
3 C -0.222      
4 C -0.654      
5 C -0.654      
6 H 0.210      
7 H 0.210      
8 H 0.208      
9 H 0.207      
10 H 0.217      
11 H 0.208      
12 H 0.207      
13 H 0.217      


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 -0.298 0.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.794 -0.257 0.000
y -0.257 -27.029 0.000
z 0.000 0.000 -32.089
Traceless
 xyz
x -2.235 -0.257 0.000
y -0.257 4.913 0.000
z 0.000 0.000 -2.678
Polar
3z2-r2-5.356
x2-y2-4.765
xy-0.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.749 -0.900 0.000
y -0.900 13.334 0.000
z 0.000 0.000 5.677


<r2> (average value of r2) Å2
<r2> 175.126
(<r2>)1/2 13.234