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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-195.249925
Energy at 298.15K-195.257039
Nuclear repulsion energy151.538846
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/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 3142 3023 26.91      
2 A 3126 3007 1.30      
3 A 3087 2969 30.15      
4 A 3032 2917 9.04      
5 A 1549 1490 2.88      
6 A 1531 1473 7.20      
7 A 1478 1422 0.84      
8 A 1452 1397 2.06      
9 A 1199 1153 0.06      
10 A 1123 1080 1.62      
11 A 1094 1052 0.01      
12 A 930 895 25.33      
13 A 836 804 0.00      
14 A 551 530 2.93      
15 A 303 291 1.18      
16 A 171 164 0.01      
17 A 141 135 1.76      
18 A 3143 3023 52.31      
19 A 3124 3005 0.65      
20 A 3087 2969 29.91      
21 A 3031 2915 87.60      
22 A 2087 2008 10.94      
23 A 1538 1480 8.12      
24 A 1530 1472 7.52      
25 A 1451 1396 4.09      
26 A 1358 1306 16.32      
27 A 1124 1081 6.28      
28 A 1091 1049 0.21      
29 A 981 944 13.17      
30 A 741 712 20.86      
31 A 584 562 11.55      
32 A 229 220 0.84      
33 A 157 151 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 24998.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 24048.3 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/6-31G
ABC
0.57587 0.07352 0.07111

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.415
C2 0.000 1.314 0.413
C3 0.000 -1.314 0.413
C4 -0.877 2.186 -0.460
C5 0.877 -2.186 -0.460
H6 0.675 1.843 1.089
H7 -0.675 -1.843 1.089
H8 -1.515 2.837 0.152
H9 -0.268 2.840 -1.099
H10 -1.522 1.582 -1.104
H11 1.515 -2.837 0.152
H12 0.268 -2.840 -1.099
H13 1.522 -1.582 -1.104

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.31401.31402.51242.51242.07532.07533.22713.22902.66933.22713.22902.6693
C21.31402.62811.51393.71241.09173.29842.16422.16492.16604.42684.42853.6062
C31.31402.62813.71241.51393.29841.09174.42684.42853.60622.16422.16492.1660
C42.51241.51393.71244.71032.21934.32131.09821.09811.09395.59695.19354.5123
C52.51243.71241.51394.71034.32132.21935.59695.19354.51231.09821.09811.0939
H62.07531.09173.29842.21934.32133.92552.58132.58263.11544.84655.18464.1541
H72.07533.29841.09174.32132.21933.92554.84655.18464.15412.58132.58263.1154
H83.22712.16424.42681.09825.59692.58134.84651.76621.77596.43266.08005.5068
H93.22902.16494.42851.09815.19352.58265.18461.76621.77636.08005.70424.7695
H102.66932.16603.60621.09394.51233.11544.15411.77591.77635.50684.76954.3897
H113.22714.42682.16425.59691.09824.84652.58136.43266.08005.50681.76621.7759
H123.22904.42852.16495.19351.09815.18462.58266.08005.70424.76951.76621.7763
H132.66933.60622.16604.51231.09394.15413.11545.50684.76954.38971.77591.7763

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 125.206 C1 C2 H6 118.941
C1 C3 C5 125.206 C1 C3 H7 118.941
C2 C1 C3 179.885 C2 C4 H8 110.891
C2 C4 H9 110.950 C2 C4 H10 111.297
C3 C5 H11 110.891 C3 C5 H12 110.950
C3 C5 H13 111.297 C4 C2 H6 115.853
C5 C3 H7 115.853 H8 C4 H9 107.064
H8 C4 H10 108.225 H9 C4 H10 108.258
H11 C5 H12 107.064 H11 C5 H13 108.225
H12 C5 H13 108.258
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.152      
2 C -0.226      
3 C -0.226      
4 C -0.432      
5 C -0.432      
6 H 0.142      
7 H 0.142      
8 H 0.146      
9 H 0.146      
10 H 0.149      
11 H 0.146      
12 H 0.146      
13 H 0.149      


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 -0.196 0.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.798 -0.263 0.000
y -0.263 -27.889 0.000
z 0.000 0.000 -31.971
Traceless
 xyz
x -1.868 -0.263 0.000
y -0.263 3.995 0.000
z 0.000 0.000 -2.127
Polar
3z2-r2-4.255
x2-y2-3.909
xy-0.263
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.609 -0.945 0.000
y -0.945 13.275 0.000
z 0.000 0.000 5.514


<r2> (average value of r2) Å2
<r2> 173.560
(<r2>)1/2 13.174