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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-194.010209
Energy at 298.15K-194.017902
HF Energy-194.010209
Nuclear repulsion energy157.348542
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 HF/Def2TZVPP
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' 3278 2972 8.61      
2 A' 3274 2968 6.96      
3 A' 3224 2922 52.19      
4 A' 3167 2870 24.54      
5 A' 3150 2855 48.85      
6 A' 2185 1980 65.87      
7 A' 1619 1468 3.92      
8 A' 1612 1461 2.52      
9 A' 1601 1451 2.79      
10 A' 1543 1399 3.48      
11 A' 1495 1355 23.28      
12 A' 1462 1325 0.45      
13 A' 1228 1113 1.21      
14 A' 1174 1064 3.89      
15 A' 1061 962 0.15      
16 A' 1001 907 59.55      
17 A' 893 810 1.79      
18 A' 686 622 7.35      
19 A' 394 357 3.81      
20 A' 166 150 0.48      
21 A" 3351 3038 3.57      
22 A" 3231 2929 47.22      
23 A" 3169 2872 19.96      
24 A" 1612 1461 6.96      
25 A" 1398 1267 0.43      
26 A" 1206 1094 3.75      
27 A" 1117 1012 2.10      
28 A" 995 902 16.96      
29 A" 850 771 2.16      
30 A" 579 525 2.53      
31 A" 372 337 9.45      
32 A" 275 249 0.00      
33 A" 114 103 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 26241.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 23784.8 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 HF/Def2TZVPP
ABC
0.34855 0.10614 0.08528

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.394 0.418 0.000
C2 -1.467 -1.102 0.000
C3 0.000 0.998 0.000
C4 1.106 0.330 0.000
C5 2.226 -0.317 0.000
H6 -1.919 0.809 0.866
H7 -1.919 0.809 -0.866
H8 -0.983 -1.518 -0.875
H9 -2.500 -1.427 0.000
H10 -0.983 -1.518 0.875
H11 0.072 2.072 0.000
H12 2.707 -0.594 -0.919
H13 2.707 -0.594 0.919

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52181.51002.50163.69371.08601.08602.16372.15162.16372.21094.32324.3232
C21.52182.56152.94443.77522.14662.14661.08291.08331.08293.52804.30444.3044
C31.51002.56151.29202.58492.11432.11432.83913.48342.83911.07713.27213.2721
C42.50162.94441.29201.29303.18323.18322.92284.01152.92282.02622.06442.0644
C53.69373.77522.58491.29304.38174.38173.53614.85463.53613.21641.07411.0741
H61.08602.14662.11433.18324.38171.73293.05352.46802.50812.51275.15384.8349
H71.08602.14662.11433.18324.38171.73292.50812.46803.05352.51274.83495.1538
H82.16371.08292.83912.92283.53613.05352.50811.75371.75033.84313.80474.2064
H92.15161.08333.48344.01154.85462.46802.46801.75371.75374.34385.35345.3534
H102.16371.08292.83912.92283.53612.50813.05351.75031.75373.84314.20643.8047
H112.21093.52801.07712.02623.21642.51272.51273.84314.34383.84313.85943.8594
H124.32324.30443.27212.06441.07415.15384.83493.80475.35344.20643.85941.8386
H134.32324.30443.27212.06441.07414.83495.15384.20645.35343.80473.85941.8386

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 111.225 C1 C2 H9 110.230
C1 C2 H10 111.225 C1 C3 C4 126.280
C1 C3 H11 116.433 C2 C1 C3 115.322
C2 C1 H6 109.669 C2 C1 H7 109.669
C3 C1 H6 107.951 C3 C1 H7 107.951
C3 C4 C5 178.863 C4 C3 H11 117.287
C4 C5 H12 121.140 C4 C5 H13 121.140
H6 C1 H7 105.840 H8 C2 H9 108.105
H8 C2 H10 107.829 H9 C2 H10 108.105
H12 C5 H13 117.720
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C -0.185      
3 C -0.183      
4 C -0.011      
5 C -0.141      
6 H 0.040      
7 H 0.040      
8 H 0.058      
9 H 0.062      
10 H 0.058      
11 H 0.068      
12 H 0.079      
13 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.508 0.036 0.000 0.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.509 -1.971 0.000
y -1.971 -32.240 0.000
z 0.000 0.000 -32.428
Traceless
 xyz
x 1.825 -1.971 0.000
y -1.971 -0.772 0.000
z 0.000 0.000 -1.054
Polar
3z2-r2-2.107
x2-y21.732
xy-1.971
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.202 -1.883 0.000
y -1.883 8.261 0.000
z 0.000 0.000 6.510


<r2> (average value of r2) Å2
<r2> 144.863
(<r2>)1/2 12.036