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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-195.338479
Energy at 298.15K-195.348480
Nuclear repulsion energy169.470135
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 3054 67.66      
2 A 3052 3035 11.34      
3 A 3047 3030 38.61      
4 A 3039 3023 20.32      
5 A 3032 3015 16.59      
6 A 3014 2997 2.88      
7 A 2989 2973 24.92      
8 A 2972 2956 30.51      
9 A 2958 2941 26.68      
10 A 2953 2937 27.10      
11 A 1667 1658 1.01      
12 A 1538 1529 5.97      
13 A 1530 1522 6.24      
14 A 1526 1518 4.47      
15 A 1521 1513 5.37      
16 A 1509 1501 1.83      
17 A 1436 1428 6.42      
18 A 1425 1417 4.33      
19 A 1415 1407 1.70      
20 A 1331 1324 2.59      
21 A 1304 1297 0.93      
22 A 1288 1281 0.56      
23 A 1163 1157 2.48      
24 A 1087 1081 4.13      
25 A 1069 1063 0.02      
26 A 1051 1046 0.44      
27 A 987 981 0.51      
28 A 968 963 4.43      
29 A 906 901 10.75      
30 A 841 837 1.88      
31 A 790 786 4.13      
32 A 707 703 36.26      
33 A 569 566 7.14      
34 A 468 466 1.71      
35 A 304 303 0.04      
36 A 253 252 0.05      
37 A 218 217 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 0.9945) Zero Point Vibrational Energy (zpe) 29437.8 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 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
H31.10301.78931.79282.21022.53822.51345.02695.52224.41865.92543.50673.86484.56595.4815
H41.10191.78671.79282.20292.53873.10134.07914.29633.71965.12792.82123.24183.58754.3825
C51.56472.20712.21022.20291.10161.10703.20483.95982.81643.96671.52252.21192.57783.5396
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 108.221 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