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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-196.484084
Energy at 298.15K-196.494089
Nuclear repulsion energy170.861977
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 B3PW91/6-31+G**
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 3163 3037 54.60      
2 A 3144 3019 11.02      
3 A 3135 3010 23.52      
4 A 3130 3005 27.80      
5 A 3124 2999 30.95      
6 A 3096 2972 5.51      
7 A 3093 2969 18.12      
8 A 3045 2924 37.06      
9 A 3038 2917 32.91      
10 A 3030 2909 28.43      
11 A 1740 1670 4.81      
12 A 1505 1445 8.56      
13 A 1498 1438 8.70      
14 A 1494 1434 5.80      
15 A 1483 1424 7.59      
16 A 1480 1421 1.50      
17 A 1438 1380 9.87      
18 A 1408 1352 2.91      
19 A 1403 1347 2.02      
20 A 1330 1277 5.12      
21 A 1299 1248 0.33      
22 A 1275 1225 0.22      
23 A 1170 1123 0.50      
24 A 1091 1048 4.82      
25 A 1057 1015 1.88      
26 A 1048 1007 0.19      
27 A 1042 1001 3.54      
28 A 1006 966 0.34      
29 A 945 907 13.10      
30 A 871 836 1.65      
31 A 793 761 5.23      
32 A 719 690 40.92      
33 A 570 547 6.55      
34 A 470 451 1.47      
35 A 300 288 0.03      
36 A 258 247 0.03      
37 A 217 208 0.02      
38 A 138 132 0.55      
39 A 54 52 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 30049.5 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 28850.5 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 B3PW91/6-31+G**
ABC
0.37711 0.08480 0.07762

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.204 -0.272 -0.405
H2 2.689 0.706 -0.503
H3 2.957 -0.984 -0.053
H4 1.882 -0.583 -1.405
C5 1.013 -0.205 0.559
H6 0.562 -1.198 0.656
H7 1.384 0.062 1.559
C8 -2.078 -0.669 -0.088
H9 -2.543 -0.881 -1.059
H10 -1.459 -1.528 0.182
H11 -2.895 -0.603 0.642
C12 -0.010 0.811 0.137
H13 0.372 1.829 0.041
C14 -1.307 0.616 -0.140
H15 -1.888 1.490 -0.437

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09591.09531.09501.53362.16302.15474.31144.82973.91615.21522.52312.82333.63074.4549
H21.09591.76961.76772.18293.08072.52394.97805.49504.76045.84792.77542.63204.01304.6438
H31.09531.76961.77322.18242.50722.48385.04515.59224.45575.90543.47313.82264.55545.4540
H41.09501.76771.77322.18042.52353.07394.17394.44833.81745.19672.81073.19243.63434.4101
C51.53362.18292.18242.18041.09501.09983.19153.96442.82893.92871.50162.19462.55773.5038
H62.16303.08072.50722.52351.09501.75432.79323.56102.10193.50752.15193.09482.72313.7973
H72.15472.52392.48383.07391.09981.75433.90264.81273.53644.42612.12722.54053.22994.0898
C84.31144.97805.04514.17393.19152.79323.90261.09721.09261.09742.55273.50081.49922.1949
H94.82975.49505.59224.44833.96443.56104.81271.09721.76981.75893.27254.12902.14812.5375
H103.91614.76044.45573.81742.82892.10193.53641.09261.76981.76882.75163.82632.17313.1102
H115.21525.84795.90545.19673.92873.50754.42611.09741.75891.76883.25204.11632.14882.5604
C122.52312.77543.47312.81071.50162.15192.12722.55273.27252.75163.25201.09171.34042.0779
H132.82332.63203.82263.19242.19463.09482.54053.50084.12903.82634.11631.09172.07872.3341
C143.63074.01304.55543.63432.55772.72313.22991.49922.14812.17312.14881.34042.07871.0907
H154.45494.64385.45404.41013.50383.79734.08982.19492.53753.11022.56042.07792.33411.0907

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 109.623 C1 C5 H7 108.693
C1 C5 C12 112.461 H2 C1 H3 107.725
H2 C1 H4 107.576 H2 C1 C5 111.139
H3 C1 H4 108.113 H3 C1 C5 111.138
H4 C1 C5 110.994 C5 C12 H13 114.698
C5 C12 C14 128.216 H6 C5 H7 106.128
H6 C5 C12 110.971 H7 C5 C12 108.736
C8 C14 C12 127.957 C8 C14 H15 114.960
H9 C8 H10 107.840 H9 C8 H11 106.539
H9 C8 C14 110.705 H10 C8 H11 107.728
H10 C8 C14 113.015 H11 C8 C14 110.740
C12 C14 H15 117.082 H13 C12 C14 117.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.597      
2 H 0.161      
3 H 0.160      
4 H 0.167      
5 C -0.173      
6 H 0.142      
7 H 0.165      
8 C -0.686      
9 H 0.170      
10 H 0.154      
11 H 0.171      
12 C -0.069      
13 H 0.136      
14 C -0.043      
15 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.017 -0.285 0.065 0.293
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.947 0.355 0.926
y 0.355 -32.730 -0.324
z 0.926 -0.324 -34.736
Traceless
 xyz
x 1.786 0.355 0.926
y 0.355 0.612 -0.324
z 0.926 -0.324 -2.398
Polar
3z2-r2-4.795
x2-y20.782
xy0.355
xz0.926
yz-0.324


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> 166.432
(<r2>)1/2 12.901