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

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-195.193665
Energy at 298.15K-195.204094
Nuclear repulsion energy171.077800
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 HF/6-311G**
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' 3296 2994 30.45      
2 A' 3262 2964 36.12      
3 A' 3229 2934 22.08      
4 A' 3224 2929 58.88      
5 A' 3163 2874 25.34      
6 A' 3153 2864 50.16      
7 A' 3144 2856 49.39      
8 A' 1886 1713 0.08      
9 A' 1625 1476 3.05      
10 A' 1610 1463 9.38      
11 A' 1603 1456 1.18      
12 A' 1545 1404 6.11      
13 A' 1534 1394 0.91      
14 A' 1498 1361 10.41      
15 A' 1446 1314 0.94      
16 A' 1432 1301 0.22      
17 A' 1231 1118 1.08      
18 A' 1148 1043 3.52      
19 A' 1117 1015 2.33      
20 A' 1011 918 5.17      
21 A' 906 823 0.03      
22 A' 619 562 0.20      
23 A' 389 354 0.28      
24 A' 218 198 0.31      
25 A" 3226 2931 61.96      
26 A" 3197 2904 41.92      
27 A" 3160 2871 28.48      
28 A" 1615 1468 5.95      
29 A" 1598 1452 6.49      
30 A" 1400 1272 0.62      
31 A" 1207 1097 2.95      
32 A" 1170 1063 4.01      
33 A" 1107 1006 35.42      
34 A" 907 824 1.29      
35 A" 779 708 0.34      
36 A" 320 291 1.64      
37 A" 236 214 0.94      
38 A" 214 194 1.78      
39 A" 128 116 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 31775.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 28867.6 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 HF/6-311G**
ABC
0.45548 0.08152 0.07186

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.756 -1.213 0.000
C2 -0.983 -0.158 0.000
H3 -0.255 1.772 0.000
C4 0.000 0.722 0.000
H5 -2.942 -0.223 0.875
H6 -2.942 -0.223 -0.875
H7 -2.598 1.264 0.000
C8 -2.445 0.190 0.000
H9 1.920 0.933 -0.866
H10 1.920 0.933 0.866
C11 1.481 0.439 0.000
H12 2.971 -1.121 0.000
H13 1.514 -1.547 0.879
H14 1.514 -1.547 -0.879
C15 1.889 -1.031 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.07863.02672.07662.55492.55493.08702.19643.53743.53742.78093.72782.45652.45652.6509
C21.07862.06311.31902.14702.14702.15221.50363.21983.21982.53564.06922.98902.98903.0015
H33.02672.06311.08133.45923.45922.39692.70172.48732.48732.18924.33323.86263.86263.5294
C42.07661.31901.08133.21163.21162.65382.50242.11702.11701.50813.49572.86542.86542.5769
H52.55492.14703.45923.21161.74931.75931.08755.29244.99794.55786.04494.64904.96864.9762
H62.55492.14703.45923.21161.74931.75931.08754.99795.29244.55786.04494.96864.64904.9762
H73.08702.15222.39692.65381.75931.75931.08484.61194.61194.16176.05795.05785.05785.0399
C82.19641.50362.70172.50241.08751.08751.08484.51204.51203.93475.57284.41214.41214.5033
H93.53743.21982.48732.11705.29244.99794.61194.51201.73261.08932.46413.05952.51302.1469
H103.53743.21982.48732.11704.99795.29244.61194.51201.73261.08932.46412.51303.05952.1469
C112.78092.53562.18921.50814.55784.55784.16173.93471.08931.08932.15682.17232.17231.5259
H123.72784.06924.33323.49576.04496.04496.05795.57282.46412.46412.15681.75431.75431.0857
H132.45652.98903.86262.86544.64904.96865.05784.41213.05952.51302.17231.75431.75761.0859
H142.45652.98903.86262.86544.96864.64905.05784.41212.51303.05952.17231.75431.75761.0859
C152.65093.00153.52942.57694.97624.97625.03994.50332.14692.14691.52591.08571.08591.0859

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 119.682 H1 C2 C8 115.565
C2 C4 H3 118.187 C2 C4 C11 127.375
C2 C8 H5 110.889 C2 C8 H6 110.889
C2 C8 H7 111.479 H3 C4 C11 114.437
C4 C2 C8 124.753 C4 C11 H9 108.102
C4 C11 H10 108.102 C4 C11 C15 116.282
H5 C8 H6 107.079 H5 C8 H7 108.170
H6 C8 H7 108.170 H9 C11 H10 105.367
H9 C11 C15 109.218 H10 C11 C15 109.218
C11 C15 H12 110.215 C11 C15 H13 111.438
C11 C15 H14 111.438 H12 C15 H13 107.772
H12 C15 H14 107.772 H13 C15 H14 108.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.092      
2 C -0.174      
3 H 0.084      
4 C -0.152      
5 H 0.095      
6 H 0.095      
7 H 0.088      
8 C -0.192      
9 H 0.096      
10 H 0.096      
11 C -0.137      
12 H 0.093      
13 H 0.093      
14 H 0.093      
15 C -0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.074 0.017 0.000 0.076
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.442 0.525 0.000
y 0.525 -32.667 0.000
z 0.000 0.000 -34.895
Traceless
 xyz
x 1.339 0.525 0.000
y 0.525 1.002 0.000
z 0.000 0.000 -2.340
Polar
3z2-r2-4.681
x2-y20.225
xy0.525
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.456 0.757 0.000
y 0.757 8.125 0.000
z 0.000 0.000 6.185


<r2> (average value of r2) Å2
<r2> 172.253
(<r2>)1/2 13.125