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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-196.405687
Energy at 298.15K-196.415633
HF Energy-196.405687
Nuclear repulsion energy168.987491
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' 3070 3046 39.32      
2 A' 3037 3012 36.03      
3 A' 3035 3010 39.13      
4 A' 3027 3003 13.08      
5 A' 2971 2947 23.76      
6 A' 2945 2922 45.16      
7 A' 2921 2897 41.81      
8 A' 1695 1681 0.28      
9 A' 1502 1490 3.71      
10 A' 1487 1475 6.65      
11 A' 1469 1457 0.86      
12 A' 1405 1393 2.69      
13 A' 1401 1389 1.05      
14 A' 1356 1345 19.05      
15 A' 1317 1306 0.77      
16 A' 1298 1288 0.02      
17 A' 1121 1112 1.30      
18 A' 1056 1047 4.83      
19 A' 1021 1013 1.63      
20 A' 933 925 6.73      
21 A' 835 829 0.01      
22 A' 568 563 0.70      
23 A' 356 353 0.21      
24 A' 197 196 0.28      
25 A" 3032 3007 40.85      
26 A" 2983 2959 32.29      
27 A" 2934 2911 28.67      
28 A" 1492 1480 4.57      
29 A" 1473 1461 4.67      
30 A" 1270 1259 0.09      
31 A" 1087 1078 1.01      
32 A" 1045 1036 0.00      
33 A" 986 978 19.58      
34 A" 808 801 2.65      
35 A" 693 688 0.30      
36 A" 293 290 1.65      
37 A" 219 218 0.02      
38 A" 196 195 2.14      
39 A" 120 119 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 29326.7 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 29089.1 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
0.44097 0.08003 0.07041

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 -0.755 -1.241 0.000
C2 -0.996 -0.171 0.000
H3 -0.266 1.803 0.000
C4 0.000 0.736 0.000
H5 -2.983 -0.264 0.886
H6 -2.983 -0.264 -0.886
H7 -2.646 1.250 0.000
C8 -2.475 0.161 0.000
H9 1.944 0.969 -0.877
H10 1.944 0.969 0.877
C11 1.496 0.462 0.000
H12 3.016 -1.115 0.000
H13 1.536 -1.549 0.891
H14 1.536 -1.549 -0.891
C15 1.917 -1.022 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.09733.08352.11652.58942.58943.12742.21933.59683.59682.82273.77252.47732.47732.6809
C21.09732.10471.34702.17722.17722.17701.51583.27303.27302.57134.12133.01773.01773.0352
H33.08352.10471.10003.52633.52632.44292.75252.52032.52032.21474.39163.90943.90943.5710
C42.11651.34701.10003.26813.26812.69502.54102.14562.14561.52103.53842.89432.89432.6015
H52.58942.17723.52633.26811.77121.78541.10555.37595.07864.62296.12304.69865.02315.0369
H62.58942.17723.52633.26811.77121.78541.10555.07865.37594.62296.12305.02314.69865.0369
H73.12742.17702.44292.69501.78541.78541.10224.68124.68124.21606.13535.11055.11055.0973
C82.21931.51582.75252.54101.10551.10551.10224.57724.57723.98265.63704.45074.45074.5489
H93.59683.27302.52032.14565.37595.07864.68124.57721.75491.10782.50183.10372.55092.1760
H103.59683.27302.52032.14565.07865.37594.68124.57721.75491.10782.50182.55093.10372.1760
C112.82272.57132.21471.52104.62294.62294.21603.98261.10781.10782.18982.20012.20011.5430
H123.77254.12134.39163.53846.12306.12306.13535.63702.50182.50182.18981.78061.78061.1023
H132.47733.01773.90942.89434.69865.02315.11054.45073.10372.55092.20011.78061.78121.1027
H142.47733.01773.90942.89435.02314.69865.11054.45072.55093.10372.20011.78061.78121.1027
C152.68093.03523.57102.60155.03695.03695.09734.54892.17602.17601.54301.10231.10271.1027

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 119.615 H1 C2 C8 115.344
C2 C4 H3 118.310 C2 C4 C11 127.302
C2 C8 H5 111.359 C2 C8 H6 111.359
C2 C8 H7 111.542 H3 C4 C11 114.387
C4 C2 C8 125.041 C4 C11 H9 108.381
C4 C11 H10 108.381 C4 C11 C15 116.216
H5 C8 H6 106.473 H5 C8 H7 107.941
H6 C8 H7 107.941 H9 C11 H10 104.756
H9 C11 C15 109.247 H10 C11 C15 109.247
C11 C15 H12 110.643 C11 C15 H13 111.438
C11 C15 H14 111.438 H12 C15 H13 107.708
H12 C15 H14 107.708 H13 C15 H14 107.734
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 0.096      
2 C -0.056      
3 H 0.087      
4 C -0.073      
5 H 0.137      
6 H 0.137      
7 H 0.135      
8 C -0.450      
9 H 0.126      
10 H 0.126      
11 C -0.255      
12 H 0.126      
13 H 0.135      
14 H 0.135      
15 C -0.406      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.090 -0.003 0.000 0.090
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.815 0.473 0.000
y 0.473 -32.379 0.000
z 0.000 0.000 -34.088
Traceless
 xyz
x 1.418 0.473 0.000
y 0.473 0.572 0.000
z 0.000 0.000 -1.990
Polar
3z2-r2-3.981
x2-y20.564
xy0.473
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.837 0.606 0.000
y 0.606 8.004 0.000
z 0.000 0.000 5.816


<r2> (average value of r2) Å2
<r2> 175.157
(<r2>)1/2 13.235