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

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 C1 1A
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-195.177248
Energy at 298.15K-195.187576
Nuclear repulsion energy171.605332
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 3306 2990 80.87      
2 A 3277 2964 28.21      
3 A 3272 2959 32.61      
4 A 3245 2934 57.94      
5 A 3237 2927 62.91      
6 A 3222 2914 13.90      
7 A 3213 2906 44.18      
8 A 3177 2873 7.56      
9 A 3175 2871 79.04      
10 A 3169 2866 48.94      
11 A 1883 1703 2.07      
12 A 1641 1484 6.75      
13 A 1631 1475 5.76      
14 A 1629 1473 2.99      
15 A 1621 1466 5.77      
16 A 1618 1463 3.04      
17 A 1574 1423 3.50      
18 A 1546 1398 1.96      
19 A 1540 1392 2.27      
20 A 1464 1324 10.70      
21 A 1413 1278 0.03      
22 A 1390 1257 0.13      
23 A 1271 1149 0.12      
24 A 1192 1078 5.31      
25 A 1173 1061 4.26      
26 A 1139 1030 0.02      
27 A 1118 1011 0.66      
28 A 1091 986 2.13      
29 A 994 899 7.42      
30 A 916 828 1.20      
31 A 855 773 6.88      
32 A 786 711 35.02      
33 A 606 548 4.98      
34 A 511 462 1.20      
35 A 323 292 0.03      
36 A 282 255 0.04      
37 A 235 212 0.02      
38 A 129 117 0.23      
39 A 57 52 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 31957.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 28902.2 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 HF/6-311G*
ABC
0.37347 0.08567 0.07847

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.182 -0.294 -0.414
H2 2.661 0.666 -0.578
H3 2.939 -0.981 -0.048
H4 1.835 -0.657 -1.376
C5 1.022 -0.174 0.579
H6 0.584 -1.151 0.745
H7 1.413 0.151 1.541
C8 -2.069 -0.676 -0.077
H9 -2.512 -0.907 -1.042
H10 -1.465 -1.523 0.220
H11 -2.888 -0.587 0.631
C12 -0.017 0.818 0.124
H13 0.352 1.826 0.005
C14 -1.293 0.610 -0.150
H15 -1.872 1.464 -0.468

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.08581.08541.08501.53152.15122.14674.28104.77483.90025.18432.52152.83183.59994.4185
H21.08581.75231.75202.17523.06002.51194.94215.42654.73855.81552.77202.64883.97724.6035
H31.08541.75231.75622.17252.49032.47665.01695.54074.44525.87923.46403.81764.52195.4123
H41.08501.75201.75622.17152.51103.05554.11454.36703.76705.13242.80223.20503.59064.3661
C51.53152.17522.17252.17151.08301.08823.19893.95572.85153.93131.50632.18622.55003.4857
H62.15123.06002.49032.51101.08301.73662.81773.58282.14793.51932.15013.07662.72503.7868
H72.14672.51192.47663.05551.08821.73663.92754.81603.58184.45732.12052.50823.22354.0680
C84.28104.94215.01694.11453.19892.81773.92751.08651.08141.08662.54653.48291.50422.1846
H94.77485.42655.54074.36703.95573.58284.81601.08651.75161.74493.24954.09482.14082.5218
H103.90024.73854.44523.76702.85152.14793.58181.08141.75161.75182.75433.81652.17173.0918
H115.18435.81555.87925.13243.93133.51934.45731.08661.74491.75183.23644.08812.14192.5392
C122.52152.77203.46402.80221.50632.15012.12052.54653.24952.75433.23641.08031.32162.0516
H132.83182.64883.81763.20502.18623.07662.50823.48294.09483.81654.08811.08032.05152.3022
C143.59993.97724.52193.59062.55002.72503.22351.50422.14082.17172.14191.32162.05151.0794
H154.41854.60355.41234.36613.48573.78684.06802.18462.52183.09182.53922.05162.30221.0794

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 109.537 C1 C5 H7 108.880
C1 C5 C12 112.203 H2 C1 H3 107.618
H2 C1 H4 107.623 H2 C1 C5 111.279
H3 C1 H4 108.031 H3 C1 C5 111.091
H4 C1 C5 111.036 C5 C12 H13 114.384
C5 C12 C14 128.652 H6 C5 H7 106.228
H6 C5 C12 111.224 H7 C5 C12 108.560
C8 C14 C12 128.503 C8 C14 H15 114.457
H9 C8 H10 107.795 H9 C8 H11 106.832
H9 C8 C14 110.409 H10 C8 H11 107.807
H10 C8 C14 113.251 H11 C8 C14 110.491
C12 C14 H15 117.041 H13 C12 C14 116.963
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 C -0.603 -0.211   -0.379
2 H 0.202 0.045   0.089
3 H 0.207 0.020   0.057
4 H 0.210 0.035   0.100
5 C -0.447 0.502   0.516
6 H 0.212 -0.076   -0.064
7 H 0.213 -0.099   -0.064
8 C -0.643 0.073   -0.165
9 H 0.215 0.001   0.063
10 H 0.217 0.012   0.080
11 H 0.216 -0.006   0.055
12 C -0.206 -0.404   -0.550
13 H 0.202 0.137   0.189
14 C -0.196 -0.132   -0.033
15 H 0.201 0.102   0.105


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.023 -0.197 0.056 0.206
CHELPG        
AIM        
ESP -0.044 -0.231 0.035 0.237


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.630 0.288 0.993
y 0.288 -32.927 -0.423
z 0.993 -0.423 -35.103
Traceless
 xyz
x 1.385 0.288 0.993
y 0.288 0.940 -0.423
z 0.993 -0.423 -2.325
Polar
3z2-r2-4.650
x2-y20.297
xy0.288
xz0.993
yz-0.423


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.825 0.369 0.620
y 0.369 7.311 -0.106
z 0.620 -0.106 6.367


<r2> (average value of r2) Å2
<r2> 165.383
(<r2>)1/2 12.860