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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-196.420056
Energy at 298.15K-196.430002
Nuclear repulsion energy169.094060
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 BLYP/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' 3072 3049 37.10      
2 A' 3039 3015 40.17      
3 A' 3039 3015 31.17      
4 A' 3031 3008 12.18      
5 A' 2971 2948 23.39      
6 A' 2946 2923 43.66      
7 A' 2924 2902 40.16      
8 A' 1691 1678 0.26      
9 A' 1486 1475 3.55      
10 A' 1470 1459 6.28      
11 A' 1452 1441 1.08      
12 A' 1391 1380 2.77      
13 A' 1386 1376 0.78      
14 A' 1344 1334 18.06      
15 A' 1309 1299 0.83      
16 A' 1290 1280 0.02      
17 A' 1115 1107 1.13      
18 A' 1053 1045 5.46      
19 A' 1014 1006 1.58      
20 A' 929 922 6.98      
21 A' 833 826 0.01      
22 A' 567 563 0.70      
23 A' 355 353 0.23      
24 A' 197 196 0.29      
25 A" 3036 3012 38.58      
26 A" 2987 2964 30.79      
27 A" 2939 2917 27.20      
28 A" 1477 1465 4.16      
29 A" 1457 1446 4.33      
30 A" 1260 1250 0.09      
31 A" 1078 1070 1.05      
32 A" 1036 1029 0.00      
33 A" 985 977 19.08      
34 A" 804 798 2.58      
35 A" 691 686 0.34      
36 A" 291 289 1.66      
37 A" 218 216 0.02      
38 A" 195 194 2.09      
39 A" 120 119 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 29239.4 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 29014.3 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 BLYP/6-31G**
ABC
0.44153 0.08011 0.07048

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.745 -1.240 0.000
C2 -0.993 -0.172 0.000
H3 -0.273 1.801 0.000
C4 0.000 0.736 0.000
H5 -2.977 -0.265 0.884
H6 -2.977 -0.265 -0.884
H7 -2.639 1.248 0.000
C8 -2.468 0.160 0.000
H9 1.942 0.969 -0.876
H10 1.942 0.969 0.876
C11 1.492 0.462 0.000
H12 3.009 -1.115 0.000
H13 1.530 -1.547 0.890
H14 1.530 -1.547 -0.890
C15 1.912 -1.021 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.09663.07782.11222.59132.59133.12682.21963.58763.58762.81093.75622.46192.46192.6659
C21.09662.10071.34592.17392.17392.17361.51133.26923.26922.56484.11193.00813.00813.0267
H33.07782.10071.09933.51623.51622.43062.74102.52302.52302.21544.39003.90543.90543.5690
C42.11221.34591.09933.26293.26292.68842.53422.14342.14341.51713.53282.88902.88902.5969
H52.59132.17393.51623.26291.76841.78401.10515.36865.07184.61336.11054.68585.01045.0255
H62.59132.17393.51623.26291.76841.78401.10515.07185.36864.61336.11055.01044.68585.0255
H73.12682.17362.43062.68841.78401.78401.10144.67304.67304.20546.12255.09755.09755.0853
C82.21961.51132.74102.53421.10511.10511.10144.56854.56853.97135.62314.43684.43684.5359
H93.58763.26922.52302.14345.36865.07184.67304.56851.75191.10802.49963.10172.55012.1749
H103.58763.26922.52302.14345.07185.36864.67304.56851.75191.10802.49962.55013.10172.1749
C112.81092.56482.21541.51714.61334.61334.20543.97131.10801.10802.18792.19752.19751.5412
H123.75624.11194.39003.53286.11056.11056.12255.62312.49962.49962.18791.77961.77961.1012
H132.46193.00813.90542.88904.68585.01045.09754.43683.10172.55012.19751.77961.77951.1019
H142.46193.00813.90542.88905.01044.68585.09754.43682.55013.10172.19751.77961.77951.1019
C152.66593.02673.56902.59695.02555.02555.08534.53592.17492.17491.54121.10121.10191.1019

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 119.359 H1 C2 C8 115.755
C2 C4 H3 118.082 C2 C4 C11 127.137
C2 C8 H5 111.435 C2 C8 H6 111.435
C2 C8 H7 111.639 H3 C4 C11 114.781
C4 C2 C8 124.886 C4 C11 H9 108.473
C4 C11 H10 108.473 C4 C11 C15 116.229
H5 C8 H6 106.280 H5 C8 H7 107.903
H6 C8 H7 107.903 H9 C11 H10 104.484
H9 C11 C15 109.268 H10 C11 C15 109.268
C11 C15 H12 110.677 C11 C15 H13 111.400
C11 C15 H14 111.400 H12 C15 H13 107.751
H12 C15 H14 107.751 H13 C15 H14 107.693
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.054      
2 C -0.030      
3 H 0.046      
4 C -0.037      
5 H 0.099      
6 H 0.099      
7 H 0.094      
8 C -0.320      
9 H 0.089      
10 H 0.089      
11 C -0.174      
12 H 0.085      
13 H 0.097      
14 H 0.097      
15 C -0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.089 -0.007 0.000 0.089
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.745 0.442 0.000
y 0.442 -32.380 0.000
z 0.000 0.000 -34.094
Traceless
 xyz
x 1.492 0.442 0.000
y 0.442 0.540 0.000
z 0.000 0.000 -2.032
Polar
3z2-r2-4.064
x2-y20.634
xy0.442
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> 174.983
(<r2>)1/2 13.228