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All results from a given calculation for C5H10 (2-Pentene, (E)-)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-196.260234
Energy at 298.15K-196.270203
Nuclear repulsion energy169.812051
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 PBEPBE/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' 3088 3045 32.22      
2 A' 3068 3026 29.22      
3 A' 3059 3018 27.24      
4 A' 3057 3015 9.79      
5 A' 2985 2944 21.02      
6 A' 2962 2922 37.91      
7 A' 2944 2904 33.79      
8 A' 1707 1684 0.20      
9 A' 1473 1453 5.19      
10 A' 1456 1436 8.52      
11 A' 1436 1417 2.67      
12 A' 1378 1359 6.52      
13 A' 1371 1352 0.18      
14 A' 1333 1315 10.41      
15 A' 1298 1280 0.99      
16 A' 1280 1262 0.14      
17 A' 1120 1105 0.84      
18 A' 1077 1062 7.11      
19 A' 1006 993 2.63      
20 A' 937 924 9.19      
21 A' 847 836 0.12      
22 A' 570 562 1.13      
23 A' 355 350 0.25      
24 A' 198 196 0.33      
25 A" 3060 3018 29.62      
26 A" 3018 2976 22.44      
27 A" 2968 2928 20.21      
28 A" 1463 1443 6.06      
29 A" 1442 1423 6.00      
30 A" 1251 1234 0.03      
31 A" 1068 1053 1.07      
32 A" 1027 1012 0.02      
33 A" 978 965 23.42      
34 A" 800 789 3.46      
35 A" 686 676 0.56      
36 A" 296 292 1.96      
37 A" 223 220 0.04      
38 A" 197 194 2.67      
39 A" 127 125 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 29303.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 28901.7 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 PBEPBE/6-31G**
ABC
0.44191 0.08131 0.07142

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.721 -1.244 0.000
C2 -0.984 -0.178 0.000
H3 -0.284 1.802 0.000
C4 0.000 0.739 0.000
H5 -2.958 -0.289 0.884
H6 -2.958 -0.289 -0.884
H7 -2.632 1.226 0.000
C8 -2.452 0.139 0.000
H9 1.933 0.980 -0.876
H10 1.933 0.980 0.876
C11 1.484 0.470 0.000
H12 2.994 -1.104 0.000
H13 1.511 -1.528 0.890
H14 1.511 -1.528 -0.890
C15 1.897 -1.004 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.09813.07732.11002.58882.58883.12362.21623.57193.57192.79303.71732.41942.41942.6288
C21.09812.10001.34472.16652.16652.16551.50233.25853.25852.55144.08392.97282.97282.9966
H33.07732.10001.10023.50823.50822.41752.73232.52162.52162.21294.38033.88593.88593.5532
C42.11001.34471.10023.25433.25432.67662.52422.13622.13621.50803.51562.86582.86582.5757
H52.58882.16653.50823.25431.76861.78481.10545.35155.05374.59286.07264.63804.96584.9867
H62.58882.16653.50823.25431.76861.78481.10545.05375.35154.59286.07264.96584.63804.9867
H73.12362.16552.41752.67661.78481.78481.10204.65504.65504.18466.08935.05395.05395.0480
C82.21621.50232.73232.52421.10541.10541.10204.55044.55043.94995.58604.39064.39064.4966
H93.57193.25852.52162.13625.35155.05374.65504.55041.75211.10852.49693.09612.54302.1685
H103.57193.25852.52162.13625.05375.35154.65504.55041.75211.10852.49692.54303.09612.1685
C112.79302.55142.21291.50804.59284.59284.18463.94991.10851.10852.18162.18782.18781.5308
H123.71734.08394.38033.51566.07266.07266.08935.58602.49692.49692.18161.78061.78061.1015
H132.41942.97283.88592.86584.63804.96585.05394.39063.09612.54302.18781.78061.78001.1027
H142.41942.97283.88592.86584.96584.63805.05394.39062.54303.09612.18781.78061.78001.1027
C152.62882.99663.55322.57574.98674.98675.04804.49662.16852.16851.53081.10151.10271.1027

picture of 2-Pentene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 119.133 H1 C2 C8 116.051
C2 C4 H3 118.043 C2 C4 C11 126.766
C2 C8 H5 111.466 C2 C8 H6 111.466
C2 C8 H7 111.583 H3 C4 C11 115.192
C4 C2 C8 124.816 C4 C11 H9 108.497
C4 C11 H10 108.497 C4 C11 C15 115.901
H5 C8 H6 106.258 H5 C8 H7 107.912
H6 C8 H7 107.912 H9 C11 H10 104.420
H9 C11 C15 109.451 H10 C11 C15 109.451
C11 C15 H12 110.893 C11 C15 H13 111.311
C11 C15 H14 111.311 H12 C15 H13 107.764
H12 C15 H14 107.764 H13 C15 H14 107.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.087      
2 C -0.066      
3 H 0.081      
4 C -0.070      
5 H 0.129      
6 H 0.129      
7 H 0.123      
8 C -0.407      
9 H 0.123      
10 H 0.123      
11 C -0.248      
12 H 0.116      
13 H 0.126      
14 H 0.126      
15 C -0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.093 -0.001 0.000 0.093
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.308 0.454 0.000
y 0.454 -32.046 0.000
z 0.000 0.000 -34.010
Traceless
 xyz
x 1.720 0.454 0.000
y 0.454 0.614 0.000
z 0.000 0.000 -2.333
Polar
3z2-r2-4.667
x2-y20.738
xy0.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.984 0.608 0.000
y 0.608 8.122 0.000
z 0.000 0.000 5.915


<r2> (average value of r2) Å2
<r2> 172.900
(<r2>)1/2 13.149