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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-196.421896
Energy at 298.15K-196.432114
Nuclear repulsion energy170.938505
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 B1B95/cc-pVDZ
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' 3166 3043 26.55      
2 A' 3142 3020 25.14      
3 A' 3140 3019 28.80      
4 A' 3136 3014 9.92      
5 A' 3053 2935 20.86      
6 A' 3038 2920 37.79      
7 A' 3026 2908 34.12      
8 A' 1771 1702 0.08      
9 A' 1479 1422 4.39      
10 A' 1458 1401 10.12      
11 A' 1443 1387 3.78      
12 A' 1402 1347 6.19      
13 A' 1387 1333 0.04      
14 A' 1360 1307 7.04      
15 A' 1331 1280 0.82      
16 A' 1306 1255 0.92      
17 A' 1149 1104 0.15      
18 A' 1113 1070 8.46      
19 A' 1027 987 2.95      
20 A' 961 924 9.15      
21 A' 874 840 0.09      
22 A' 584 561 0.75      
23 A' 365 351 0.24      
24 A' 220 212 0.43      
25 A" 3134 3012 28.81      
26 A" 3101 2981 18.99      
27 A" 3053 2934 18.08      
28 A" 1468 1411 6.15      
29 A" 1445 1389 6.44      
30 A" 1275 1225 0.12      
31 A" 1089 1047 1.51      
32 A" 1049 1009 0.29      
33 A" 1007 968 24.37      
34 A" 825 793 2.87      
35 A" 709 682 0.75      
36 A" 323 311 1.26      
37 A" 244 235 0.50      
38 A" 206 198 2.90      
39 A" 142 137 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 30000.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 28836.3 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 B1B95/cc-pVDZ
ABC
0.44491 0.08277 0.07261

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.697 -1.236 0.000
C2 -0.971 -0.176 0.000
H3 -0.286 1.798 0.000
C4 0.000 0.739 0.000
H5 -2.932 -0.306 0.882
H6 -2.932 -0.306 -0.882
H7 -2.623 1.209 0.000
C8 -2.433 0.127 0.000
H9 1.921 0.979 -0.873
H10 1.921 0.979 0.873
C11 1.475 0.472 0.000
H12 2.970 -1.100 0.000
H13 1.489 -1.514 0.887
H14 1.489 -1.514 -0.887
C15 1.877 -0.992 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.09503.06222.09512.57662.57663.11262.20763.53903.53902.76263.66902.37482.37482.5849
C21.09502.09001.33502.15382.15382.15541.49313.23483.23482.53024.04772.93722.93722.9624
H33.06222.09001.09673.49363.49362.40952.72092.51122.51122.20464.35893.86113.86113.5306
C42.09511.33501.09673.23543.23542.66432.50922.12392.12391.49873.49322.84282.84282.5536
H52.57662.15383.49363.23541.76331.78001.10165.31845.02064.56076.01984.58274.91224.9367
H62.57662.15383.49363.23541.76331.78001.10165.02065.31844.56076.01984.91224.58274.9367
H73.11262.15542.40952.66431.78001.78001.09864.63264.63264.16296.05015.01035.01035.0088
C82.20761.49312.72092.50921.10161.10161.09864.52224.52223.92305.54044.34284.34284.4528
H93.53903.23482.51122.12395.31845.02064.63264.52221.74621.10432.48673.08242.53042.1566
H103.53903.23482.51122.12395.02065.31844.63264.52221.74621.10432.48672.53043.08242.1566
C112.76262.53022.20461.49874.56074.56074.16293.92301.10431.10432.16912.17482.17481.5181
H123.66904.04774.35893.49326.01986.01986.05015.54042.48672.48672.16911.77541.77541.0984
H132.37482.93723.86112.84284.58274.91225.01034.34283.08242.53042.17481.77541.77411.0998
H142.37482.93723.86112.84284.91224.58275.01034.34282.53043.08242.17481.77541.77411.0998
C152.58492.96243.53062.55364.93674.93675.00884.45282.15662.15661.51811.09841.09981.0998

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 118.803 H1 C2 C8 116.229
C2 C4 H3 118.186 C2 C4 C11 126.384
C2 C8 H5 111.320 C2 C8 H6 111.320
C2 C8 H7 111.636 H3 C4 C11 115.430
C4 C2 C8 124.968 C4 C11 H9 108.411
C4 C11 H10 108.411 C4 C11 C15 115.655
H5 C8 H6 106.329 H5 C8 H7 108.002
H6 C8 H7 108.002 H9 C11 H10 104.498
H9 C11 C15 109.636 H10 C11 C15 109.636
C11 C15 H12 110.975 C11 C15 H13 111.346
C11 C15 H14 111.346 H12 C15 H13 107.738
H12 C15 H14 107.738 H13 C15 H14 107.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.013      
2 C -0.118      
3 H -0.018      
4 C -0.050      
5 H 0.041      
6 H 0.041      
7 H 0.024      
8 C 0.011      
9 H 0.036      
10 H 0.036      
11 C -0.039      
12 H 0.027      
13 H 0.039      
14 H 0.039      
15 C -0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.094 -0.001 0.000 0.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.562 0.533 0.000
y 0.533 -32.280 0.000
z 0.000 0.000 -34.148
Traceless
 xyz
x 1.652 0.533 0.000
y 0.533 0.575 0.000
z 0.000 0.000 -2.227
Polar
3z2-r2-4.454
x2-y20.718
xy0.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.024 0.605 0.000
y 0.605 8.371 0.000
z 0.000 0.000 6.103


<r2> (average value of r2) Å2
<r2> 170.616
(<r2>)1/2 13.062