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All results from a given calculation for C5H8 (1,3-Pentadiene, (E)-)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-195.235939
Energy at 298.15K-195.243335
Nuclear repulsion energy153.342253
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3259 3118 15.85      
2 A 3173 3036 4.55      
3 A 3163 3026 56.54      
4 A 3156 3019 11.62      
5 A 3152 3015 0.95      
6 A 3133 2998 6.75      
7 A 3038 2907 37.24      
8 A 1749 1673 14.49      
9 A 1696 1622 4.11      
10 A 1515 1449 8.86      
11 A 1469 1406 3.72      
12 A 1434 1372 3.21      
13 A 1347 1288 2.50      
14 A 1331 1274 0.29      
15 A 1305 1249 2.30      
16 A 1224 1171 1.17      
17 A 1117 1068 0.08      
18 A 998 954 11.14      
19 A 917 878 6.50      
20 A 484 463 0.00      
21 A 451 431 0.39      
22 A 195 186 1.72      
23 A 3092 2958 21.81      
24 A 1501 1436 7.52      
25 A 1069 1023 0.07      
26 A 1052 1007 38.12      
27 A 987 944 7.69      
28 A 919 879 41.14      
29 A 845 809 7.04      
30 A 646 618 1.27      
31 A 260 248 2.16      
32 A 211 202 0.06      
33 A 137 131 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 25010.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23927.8 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 B3PW91/6-31G*
ABC
0.95747 0.07186 0.06768

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.413 0.793 0.000
C2 -1.411 -0.097 0.000
C3 0.000 0.251 0.000
C4 0.999 -0.646 0.000
C5 2.456 -0.314 0.000
H6 -2.222 1.864 0.000
H7 -3.454 0.483 0.000
H8 -1.646 -1.163 0.000
H9 0.241 1.315 0.000
H10 0.744 -1.708 0.000
H11 2.624 0.768 0.000
H12 2.961 -0.737 0.880
H13 2.961 -0.737 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34042.47293.70304.99341.08821.08612.10072.70454.02795.03685.65595.6559
C21.34041.45302.47153.87312.12282.12371.09102.17332.69064.12634.50474.5047
C32.47291.45301.34282.52052.74613.46142.16941.09162.09562.67443.24273.2427
C43.70302.47151.34281.49464.08404.59362.69472.10341.09182.15412.15192.1519
C54.99343.87312.52051.49465.16075.96344.18882.75052.20751.09501.09871.0987
H61.08822.12282.74614.08405.16071.85083.08142.52314.64354.96845.86525.8652
H71.08612.12373.46144.59365.96341.85082.44473.78704.73546.08426.58836.5883
H82.10071.09102.16942.69474.18883.08142.44473.11452.45164.68584.70904.7090
H92.70452.17331.09162.10342.75052.52313.78703.11453.06532.44533.51923.5192
H104.02792.69062.09561.09182.20754.64354.73542.45163.06533.10852.57482.5748
H115.03684.12632.67442.15411.09504.96846.08424.68582.44533.10851.77521.7752
H125.65594.50473.24272.15191.09875.86526.58834.70903.51922.57481.77521.7597
H135.65594.50473.24272.15191.09875.86526.58834.70903.51922.57481.77521.7597

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.521 C1 C2 H8 119.182
C2 C1 H6 121.524 C2 C1 H7 121.788
C2 C3 C4 124.217 C2 C3 H9 116.599
C3 C2 H8 116.297 C3 C4 C5 125.238
C3 C4 H10 118.439 C4 C3 H9 119.184
C4 C5 H11 111.645 C4 C5 H12 111.236
C4 C5 H13 111.236 C5 C4 H10 116.324
H6 C1 H7 116.689 H11 C5 H12 108.041
H11 C5 H13 108.041 H12 C5 H13 106.421
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.408     -0.400
2 C -0.093     -0.074
3 C -0.132     -0.240
4 C -0.136     -0.017
5 C -0.559     -0.296
6 H 0.163     0.167
7 H 0.166     0.164
8 H 0.154     0.130
9 H 0.148     0.178
10 H 0.154     0.099
11 H 0.179     0.091
12 H 0.182     0.099
13 H 0.182     0.099


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.560 -0.208 0.000 0.597
CHELPG        
AIM        
ESP 0.567 -0.180 0.000 0.595


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.772 -0.177 0.000
y -0.177 -28.792 0.000
z 0.000 0.000 -34.215
Traceless
 xyz
x 2.732 -0.177 0.000
y -0.177 2.702 0.000
z 0.000 0.000 -5.434
Polar
3z2-r2-10.867
x2-y20.020
xy-0.177
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 173.008
(<r2>)1/2 13.153