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

using model chemistry: B3LYP/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-195.300442
Energy at 298.15K-195.307489
Nuclear repulsion energy151.512054
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/cc-pVDZ
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 3127 3033 15.47      
2 A 3106 3013 3.57      
3 A 3073 2980 21.88      
4 A 3019 2929 8.13      
5 A 1498 1453 2.52      
6 A 1453 1409 4.81      
7 A 1430 1387 0.42      
8 A 1387 1345 0.80      
9 A 1160 1125 0.06      
10 A 1083 1051 1.52      
11 A 1044 1012 0.01      
12 A 894 867 19.23      
13 A 826 801 0.00      
14 A 538 522 3.37      
15 A 293 284 1.12      
16 A 181 175 0.01      
17 A 138 134 1.55      
18 A 3127 3033 34.13      
19 A 3105 3011 3.57      
20 A 3073 2981 21.76      
21 A 3018 2927 80.08      
22 A 2074 2011 11.29      
23 A 1461 1418 7.34      
24 A 1452 1409 5.13      
25 A 1384 1343 6.30      
26 A 1295 1256 23.40      
27 A 1095 1062 1.76      
28 A 1040 1009 0.40      
29 A 961 932 16.01      
30 A 706 685 15.06      
31 A 569 552 11.26      
32 A 229 222 0.49      
33 A 161 156 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 24499.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 23764.6 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/cc-pVDZ
ABC
0.57531 0.07367 0.07126

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.414
C2 0.000 1.314 0.412
C3 0.000 -1.314 0.412
C4 -0.874 2.183 -0.459
C5 0.874 -2.183 -0.459
H6 0.685 1.833 1.097
H7 -0.685 -1.833 1.097
H8 -1.515 2.838 0.157
H9 -0.262 2.844 -1.097
H10 -1.523 1.578 -1.110
H11 1.515 -2.838 0.157
H12 0.262 -2.844 -1.097
H13 1.523 -1.578 -1.110

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.31371.31372.50832.50832.07262.07263.22743.23082.67023.22743.23082.6702
C21.31372.62741.50963.70801.09903.29252.16422.16472.16884.42704.43063.6050
C31.31372.62743.70801.50963.29251.09904.42704.43063.60502.16422.16472.1688
C42.50831.50963.70804.70292.23034.31111.10421.10421.09965.59455.19274.5070
C52.50833.70801.50964.70294.31112.23035.59455.19274.50701.10421.10421.0996
H62.07261.09903.29252.23034.31113.91362.59442.59403.13154.83685.18324.1482
H72.07263.29251.09904.31112.23033.91364.83685.18324.14822.59442.59403.1315
H83.22742.16424.42701.10425.59452.59444.83681.77281.78686.43436.08395.5076
H93.23082.16474.43061.10425.19272.59405.18321.77281.78706.08395.71174.7683
H102.67022.16883.60501.09964.50703.13154.14821.78681.78705.50764.76834.3859
H113.22744.42702.16425.59451.10424.83682.59446.43436.08395.50761.77281.7868
H123.23084.43062.16475.19271.10425.18322.59406.08395.71174.76831.77281.7870
H132.67023.60502.16884.50701.09964.14823.13155.50764.76834.38591.78681.7870

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 125.209 C1 C2 H6 118.148
C1 C3 C5 125.209 C1 C3 H7 118.148
C2 C1 C3 179.832 C2 C4 H8 110.833
C2 C4 H9 110.874 C2 C4 H10 111.482
C3 C5 H11 110.833 C3 C5 H12 110.874
C3 C5 H13 111.482 C4 C2 H6 116.643
C5 C3 H7 116.643 H8 C4 H9 106.783
H8 C4 H10 108.340 H9 C4 H10 108.363
H11 C5 H12 106.783 H11 C5 H13 108.340
H12 C5 H13 108.363
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.207      
2 C -0.233      
3 C -0.233      
4 C 0.035      
5 C 0.035      
6 H 0.013      
7 H 0.013      
8 H 0.033      
9 H 0.033      
10 H 0.016      
11 H 0.033      
12 H 0.033      
13 H 0.016      


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 -32.098 -0.219 0.000
y -0.219 -28.028 0.000
z 0.000 0.000 -32.268
Traceless
 xyz
x -1.950 -0.219 0.000
y -0.219 4.155 0.000
z 0.000 0.000 -2.205
Polar
3z2-r2-4.410
x2-y2-4.070
xy-0.219
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.303 -1.132 0.000
y -1.132 14.018 0.000
z 0.000 0.000 6.180


<r2> (average value of r2) Å2
<r2> 173.502
(<r2>)1/2 13.172