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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-196.424155
Energy at 298.15K-196.434128
Nuclear repulsion energy171.421995
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 B1B95/6-31G**
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 3176 3032 57.63      
2 A 3158 3016 9.72      
3 A 3151 3009 36.08      
4 A 3147 3005 25.88      
5 A 3142 3000 14.11      
6 A 3115 2974 5.50      
7 A 3109 2968 20.67      
8 A 3062 2924 32.02      
9 A 3052 2914 27.29      
10 A 3045 2908 28.74      
11 A 1767 1687 2.31      
12 A 1514 1446 4.63      
13 A 1505 1437 6.20      
14 A 1496 1428 4.44      
15 A 1489 1421 5.42      
16 A 1485 1418 0.58      
17 A 1444 1378 7.95      
18 A 1413 1349 1.17      
19 A 1402 1338 2.16      
20 A 1333 1273 7.09      
21 A 1301 1242 0.19      
22 A 1278 1220 0.22      
23 A 1172 1119 0.50      
24 A 1094 1044 3.43      
25 A 1059 1012 0.58      
26 A 1049 1002 3.15      
27 A 1043 995 0.14      
28 A 1012 967 0.31      
29 A 949 906 11.91      
30 A 875 835 1.82      
31 A 790 755 3.46      
32 A 723 690 29.05      
33 A 566 541 7.16      
34 A 469 448 1.32      
35 A 291 278 0.04      
36 A 253 241 0.02      
37 A 210 201 0.00      
38 A 137 131 0.39      
39 A 53 51 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 30164.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 28800.8 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 B1B95/6-31G**
ABC
0.37591 0.08571 0.07846

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.186 -0.280 -0.409
H2 2.668 0.694 -0.532
H3 2.944 -0.984 -0.056
H4 1.851 -0.608 -1.396
C5 1.012 -0.193 0.566
H6 0.562 -1.181 0.689
H7 1.395 0.092 1.554
C8 -2.065 -0.670 -0.084
H9 -2.512 -0.901 -1.056
H10 -1.448 -1.520 0.210
H11 -2.893 -0.596 0.629
C12 -0.010 0.813 0.135
H13 0.371 1.829 0.029
C14 -1.300 0.613 -0.144
H15 -1.882 1.480 -0.452

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09361.09281.09251.52882.15772.14944.28134.78343.89015.19372.51292.81673.60864.4333
H21.09361.76581.76332.17633.07302.51754.94615.44594.73305.82572.76282.62323.98824.6190
H31.09281.76581.76942.17792.50292.47965.01835.54754.43275.88923.46273.81284.53515.4331
H41.09251.76331.76942.17362.51703.06604.13014.38623.78105.15782.79753.18723.60364.3805
C51.52882.17632.17792.17361.09271.09753.18073.94392.81833.92611.49772.18792.54953.4947
H62.15773.07302.50292.51701.09271.75012.78573.54652.09473.50472.14773.08742.71693.7894
H72.14942.51752.47963.06601.09751.75013.90304.80283.53434.43992.12342.52823.22794.0856
C84.28134.94615.01834.13013.18072.78573.90301.09511.09041.09522.54373.49141.49492.1887
H94.78345.44595.54754.38623.94393.54654.80281.09511.76581.75463.25884.11622.14342.5359
H103.89014.73304.43273.78102.81832.09473.53431.09041.76581.76522.74243.81562.16763.1027
H115.19375.82575.88925.15783.92613.50474.43991.09521.75461.76523.24674.11002.14412.5493
C122.51292.76283.46272.79751.49772.14772.12342.54373.25882.74243.24671.08971.33502.0724
H132.81672.62323.81283.18722.18793.08742.52823.49144.11623.81564.11001.08972.07372.3305
C143.60863.98824.53513.60362.54952.71693.22791.49492.14342.16762.14411.33502.07371.0887
H154.43334.61905.43314.38053.49473.78944.08562.18872.53593.10272.54932.07242.33051.0887

picture of 2-Pentene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.667 C1 C5 H7 108.738
C1 C5 C12 112.254 H2 C1 H3 107.735
H2 C1 H4 107.531 H2 C1 C5 111.084
H3 C1 H4 108.136 H3 C1 C5 111.262
H4 C1 C5 110.935 C5 C12 H13 114.554
C5 C12 C14 128.228 H6 C5 H7 106.081
H6 C5 C12 111.049 H7 C5 C12 108.833
C8 C14 C12 127.928 C8 C14 H15 114.900
H9 C8 H10 107.797 H9 C8 H11 106.465
H9 C8 C14 110.751 H10 C8 H11 107.732
H10 C8 C14 113.014 H11 C8 C14 110.799
C12 C14 H15 117.171 H13 C12 C14 117.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.360      
2 H 0.120      
3 H 0.118      
4 H 0.128      
5 C -0.259      
6 H 0.115      
7 H 0.126      
8 C -0.396      
9 H 0.131      
10 H 0.123      
11 H 0.132      
12 C -0.077      
13 H 0.096      
14 C -0.098      
15 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.024 -0.211 0.033 0.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.381 0.325 0.788
y 0.325 -32.061 -0.317
z 0.788 -0.317 -33.798
Traceless
 xyz
x 1.549 0.325 0.788
y 0.325 0.529 -0.317
z 0.788 -0.317 -2.077
Polar
3z2-r2-4.155
x2-y20.680
xy0.325
xz0.788
yz-0.317


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.815 0.315 0.664
y 0.315 7.408 -0.170
z 0.664 -0.170 6.082


<r2> (average value of r2) Å2
<r2> 164.659
(<r2>)1/2 12.832