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

using model chemistry: B3LYP/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-195.369868
Energy at 298.15K-195.376950
Nuclear repulsion energy152.496219
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-pVTZ
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 3116 3012 17.67      
2 A 3100 2996 0.42      
3 A 3062 2959 21.61      
4 A 3019 2918 7.20      
5 A 1514 1464 3.47      
6 A 1485 1436 5.24      
7 A 1448 1399 0.08      
8 A 1409 1362 2.06      
9 A 1166 1127 0.00      
10 A 1094 1057 1.76      
11 A 1062 1027 0.25      
12 A 906 875 22.32      
13 A 824 797 0.04      
14 A 542 524 4.60      
15 A 297 287 0.99      
16 A 177 171 0.01      
17 A 139 134 1.84      
18 A 3116 3012 36.88      
19 A 3098 2994 0.26      
20 A 3062 2959 20.88      
21 A 3018 2917 74.67      
22 A 2056 1987 15.18      
23 A 1494 1444 9.29      
24 A 1485 1435 5.48      
25 A 1405 1358 5.53      
26 A 1316 1272 22.43      
27 A 1098 1061 2.28      
28 A 1059 1024 0.98      
29 A 959 927 14.59      
30 A 714 690 15.98      
31 A 574 555 13.61      
32 A 228 220 0.84      
33 A 160 155 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 24598.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 23776.5 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-pVTZ
ABC
0.58410 0.07445 0.07202

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.408
C2 0.000 1.303 0.410
C3 0.000 -1.303 0.410
C4 -0.871 2.174 -0.457
C5 0.871 -2.174 -0.457
H6 0.678 1.817 1.088
H7 -0.678 -1.817 1.088
H8 -1.505 2.820 0.156
H9 -0.263 2.827 -1.087
H10 -1.513 1.576 -1.101
H11 1.505 -2.820 0.156
H12 0.263 -2.827 -1.087
H13 1.513 -1.576 -1.101

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30301.30302.49662.49662.05482.05483.20613.20902.65503.20613.20902.6550
C21.30302.60611.50623.68771.08753.26382.15162.15262.15564.39624.40113.5859
C31.30302.60613.68771.50623.26381.08754.39624.40113.58592.15162.15262.1556
C42.49661.50623.68774.68382.21634.28371.09271.09261.08855.56385.16664.4896
C52.49663.68771.50624.68384.28372.21635.56385.16664.48961.09271.09261.0885
H62.05481.08753.26382.21634.28373.87842.57642.57583.10604.80125.14494.1228
H72.05483.26381.08754.28372.21633.87844.80125.14494.12282.57642.57583.1060
H83.20612.15164.39621.09275.56382.57644.80121.75701.76856.39236.04625.4776
H93.20902.15264.40111.09265.16662.57585.14491.75701.76906.04625.67894.7474
H102.65502.15563.58591.08854.48963.10604.12281.76851.76905.47764.74744.3685
H113.20614.39622.15165.56381.09274.80122.57646.39236.04625.47761.75701.7685
H123.20904.40112.15265.16661.09265.14492.57586.04625.67894.74741.75701.7690
H132.65503.58592.15564.48961.08854.12283.10605.47764.74744.36851.76851.7690

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 125.264 C1 C2 H6 118.260
C1 C3 C5 125.264 C1 C3 H7 118.260
C2 C1 C3 179.831 C2 C4 H8 110.759
C2 C4 H9 110.840 C2 C4 H10 111.332
C3 C5 H11 110.759 C3 C5 H12 110.840
C3 C5 H13 111.332 C4 C2 H6 116.476
C5 C3 H7 116.476 H8 C4 H9 107.027
H8 C4 H10 108.340 H9 C4 H10 108.394
H11 C5 H12 107.027 H11 C5 H13 108.340
H12 C5 H13 108.394
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007     -0.218
2 C -0.160     -0.020
3 C -0.160     -0.009
4 C -0.259     -0.107
5 C -0.259     -0.131
6 H 0.121     0.086
7 H 0.121     0.083
8 H 0.098     0.038
9 H 0.097     0.047
10 H 0.099     0.064
11 H 0.098     0.045
12 H 0.097     0.052
13 H 0.099     0.069


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 -0.203 0.203
CHELPG        
AIM        
ESP 0.003 0.008 -0.234 0.234


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.437 -0.164 0.000
y -0.164 -28.400 0.000
z 0.000 0.000 -32.614
Traceless
 xyz
x -1.930 -0.164 0.000
y -0.164 4.125 0.000
z 0.000 0.000 -2.196
Polar
3z2-r2-4.391
x2-y2-4.037
xy-0.164
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.107 -1.199 0.000
y -1.199 14.513 0.000
z 0.000 0.000 6.973


<r2> (average value of r2) Å2
<r2> 171.989
(<r2>)1/2 13.114