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

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-195.338480
Energy at 298.15K-195.348464
Nuclear repulsion energy169.470133
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/3-21G*
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 3071 3051 67.54      
2 A 3052 3032 11.40      
3 A 3047 3027 38.58      
4 A 3039 3019 20.35      
5 A 3032 3012 16.67      
6 A 3014 2994 2.94      
7 A 2989 2970 24.85      
8 A 2972 2953 30.63      
9 A 2958 2938 26.71      
10 A 2953 2934 27.05      
11 A 1667 1656 1.01      
12 A 1538 1528 5.97      
13 A 1530 1520 6.24      
14 A 1526 1516 4.48      
15 A 1521 1511 5.37      
16 A 1509 1499 1.83      
17 A 1436 1426 6.42      
18 A 1425 1415 4.33      
19 A 1415 1405 1.70      
20 A 1331 1323 2.59      
21 A 1304 1296 0.93      
22 A 1288 1280 0.56      
23 A 1163 1156 2.48      
24 A 1087 1080 4.14      
25 A 1069 1062 0.02      
26 A 1051 1045 0.44      
27 A 987 980 0.51      
28 A 968 962 4.43      
29 A 906 900 10.75      
30 A 841 836 1.88      
31 A 790 785 4.13      
32 A 707 703 36.26      
33 A 569 565 7.14      
34 A 468 465 1.71      
35 A 304 302 0.04      
36 A 253 252 0.05      
37 A 218 216 0.02      
38 A 144 143 0.36      
39 A 60 59 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 29600.6 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 29408.2 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/3-21G*
ABC
0.35393 0.08498 0.07766

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.187 -0.314 -0.431
H2 2.666 0.661 -0.620
H3 2.954 -1.011 -0.054
H4 1.797 -0.698 -1.387
C5 1.023 -0.159 0.604
H6 0.562 -1.143 0.786
H7 1.450 0.187 1.565
C8 -2.064 -0.698 -0.069
H9 -2.477 -0.983 -1.054
H10 -1.423 -1.519 0.286
H11 -2.919 -0.603 0.626
C12 -0.015 0.847 0.126
H13 0.373 1.866 -0.005
C14 -1.310 0.620 -0.169
H15 -1.914 1.465 -0.519

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.10331.10301.10191.56472.19262.18554.28274.75263.87195.22142.55032.86703.62814.4712
H21.10331.78931.78672.20713.10822.54544.95195.41724.72145.86012.78902.66204.00144.6516
H31.10301.78931.79282.21032.53822.51345.02695.52224.41865.92543.50673.86484.56595.4815
H41.10191.78671.79282.20292.53873.10134.07914.29633.71965.12792.82123.24183.58754.3825
C51.56472.20712.21032.20291.10161.10703.20483.95982.81643.96671.52252.21192.57783.5396
H62.19263.10822.53822.53871.10161.77862.79683.55642.08103.52582.17433.11632.74243.8259
H72.18552.54542.51343.10131.10701.77863.97454.86313.57744.53762.15652.53783.28744.1586
C84.28274.95195.02694.07913.20482.79683.97451.10591.09991.10592.57353.53751.52162.2147
H94.75265.41725.52224.29633.95983.55644.86311.10591.78701.77813.28744.16422.17192.5687
H103.87194.72144.41863.71962.81642.08103.57741.09991.78701.78662.75773.84222.18923.1294
H115.22145.86015.92545.12793.96673.52584.53761.10591.77811.78663.28414.16272.17162.5685
C122.55032.78903.50672.82121.52252.17432.15652.57353.28742.75773.28411.09771.34732.0993
H132.86702.66203.86483.24182.21193.11632.53783.53754.16423.84224.16271.09772.10012.3785
C143.62814.00144.56593.58752.57782.74243.28741.52162.17192.18922.17161.34732.10011.0969
H154.47124.65165.48154.38253.53963.82594.15862.21472.56873.12942.56852.09932.37851.0969

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 109.413 C1 C5 H7 108.566
C1 C5 C12 111.395 H2 C1 H3 108.384
H2 C1 H4 108.237 H2 C1 C5 110.445
H3 C1 H4 108.801 H3 C1 C5 110.705
H4 C1 C5 110.201 C5 C12 H13 114.189
C5 C12 C14 127.760 H6 C5 H7 107.282
H6 C5 C12 110.894 H7 C5 C12 109.173
C8 C14 C12 127.443 C8 C14 H15 114.537
H9 C8 H10 108.222 H9 C8 H11 107.016
H9 C8 C14 110.503 H10 C8 H11 108.182
H10 C8 C14 112.250 H11 C8 C14 110.486
C12 C14 H15 118.019 H13 C12 C14 118.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.508      
2 H 0.174      
3 H 0.172      
4 H 0.182      
5 C -0.416      
6 H 0.182      
7 H 0.184      
8 C -0.577      
9 H 0.187      
10 H 0.187      
11 H 0.188      
12 C -0.121      
13 H 0.154      
14 C -0.146      
15 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.016 -0.210 0.008 0.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.772 0.415 0.830
y 0.415 -32.456 -0.442
z 0.830 -0.442 -34.410
Traceless
 xyz
x 1.661 0.415 0.830
y 0.415 0.635 -0.442
z 0.830 -0.442 -2.296
Polar
3z2-r2-4.593
x2-y20.684
xy0.415
xz0.830
yz-0.442


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> 166.962
(<r2>)1/2 12.921