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All results from a given calculation for C5H10 (2-Butene, 2-methyl-)

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-195.218005
Energy at 298.15K-195.228132
HF Energy-195.218005
Nuclear repulsion energy175.179649
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/daug-cc-pVTZ
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' 3276 2964 67.01      
2 A' 3267 2955 18.29      
3 A' 3244 2935 9.24      
4 A' 3232 2924 26.64      
5 A' 3152 2852 6.64      
6 A' 3149 2849 110.39      
7 A' 3142 2842 25.59      
8 A' 1881 1702 3.31      
9 A' 1615 1461 6.94      
10 A' 1614 1460 6.16      
11 A' 1599 1447 1.52      
12 A' 1549 1401 0.47      
13 A' 1542 1395 1.85      
14 A' 1537 1390 3.18      
15 A' 1486 1344 5.29      
16 A' 1329 1202 3.44      
17 A' 1213 1097 8.53      
18 A' 1148 1038 2.24      
19 A' 1039 940 0.76      
20 A' 1023 926 3.46      
21 A' 810 732 1.23      
22 A' 558 504 1.63      
23 A' 410 371 0.44      
24 A' 317 286 0.22      
25 A" 3185 2881 66.09      
26 A" 3184 2881 28.10      
27 A" 3179 2876 7.16      
28 A" 1611 1457 16.85      
29 A" 1601 1449 1.18      
30 A" 1591 1439 0.76      
31 A" 1206 1091 0.23      
32 A" 1167 1056 5.26      
33 A" 1106 1000 3.09      
34 A" 913 826 13.20      
35 A" 500 452 4.09      
36 A" 287 260 2.11      
37 A" 198 180 1.27      
38 A" 141 128 0.35      
39 A" 125 113 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 31562.0 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 28551.0 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/daug-cc-pVTZ
ABC
0.27056 0.11793 0.08598

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.505 0.490 0.000
H2 -1.966 -0.485 0.000
H3 -1.863 1.030 0.872
H4 -1.863 1.030 -0.872
C5 0.277 -2.091 0.000
H6 0.664 -2.609 -0.872
H7 0.664 -2.609 0.872
H8 -0.797 -2.201 0.000
C9 0.730 -0.659 0.000
H10 1.801 -0.537 0.000
C11 0.000 0.443 0.000
C12 0.653 1.801 0.000
H13 1.733 1.729 0.000
H14 0.351 2.373 0.872
H15 0.351 2.373 -0.872

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.07851.08601.08603.13663.88233.88232.78302.51353.46211.50622.52583.46672.78462.7846
H21.07851.75101.75102.75853.49133.49132.07652.70163.76722.17393.47684.31033.78153.7815
H31.08601.75101.74353.88324.76134.43063.51253.21504.07912.13912.77253.76502.58973.1222
H41.08601.75101.74353.88324.43064.76133.51253.21504.07912.13912.77253.76503.12222.5897
C53.13662.75853.88323.88321.08561.08561.07951.50202.17662.54873.91034.08764.54934.5493
H63.88233.49134.76134.43061.08561.74351.74962.13732.51933.24274.49584.55185.28834.9924
H73.88233.49134.43064.76131.08561.74351.74962.13732.51933.24274.49584.55184.99245.2883
H82.78302.07653.51253.51251.07951.74961.74962.17033.08532.76154.25714.67364.79644.7964
C92.51352.70163.21503.21501.50202.13732.13732.17031.07781.32152.46132.58953.17793.1779
H103.46213.76724.07914.07912.17662.51932.51933.08531.07782.05002.60452.26663.36633.3663
C111.50622.17392.13912.13912.54873.24273.24272.76151.32152.05001.50742.15752.14742.1474
C122.52583.47682.77252.77253.91034.49584.49584.25712.46132.60451.50741.08151.08621.0862
H133.46674.31033.76503.76504.08764.55184.55184.67362.58952.26662.15751.08151.75631.7563
H142.78463.78152.58973.12224.54935.28834.99244.79643.17793.36632.14741.08621.75631.7447
H152.78463.78153.12222.58974.54934.99245.28834.79643.17793.36632.14741.08621.75631.7447

picture of 2-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C11 C9 125.332 C1 C11 C12 113.881
H2 C1 H3 107.997 H2 C1 H4 107.997
H2 C1 C11 113.475 H3 C1 H4 106.786
H3 C1 C11 110.167 H4 C1 C11 110.167
C5 C9 H10 114.063 C5 C9 C11 128.912
H6 C5 H7 106.842 H6 C5 H8 107.820
H6 C5 C9 110.338 H7 C5 H8 107.820
H7 C5 C9 110.338 H8 C5 C9 113.423
C9 C11 C12 120.786 H10 C9 C11 117.025
C11 C12 H13 111.841 C11 C12 H14 110.736
C11 C12 H15 110.736 H13 C12 H14 108.244
H13 C12 H15 108.244 H14 C12 H15 106.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.651      
2 H 0.182      
3 H 0.241      
4 H 0.241      
5 C -1.348      
6 H 0.248      
7 H 0.248      
8 H 0.282      
9 C -0.366      
10 H 0.607      
11 C 1.946      
12 C -1.431      
13 H 0.301      
14 H 0.249      
15 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.208 0.062 0.000 0.217
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.712 -0.323 0.000
y -0.323 -32.688 0.000
z 0.000 0.000 -34.714
Traceless
 xyz
x 0.989 -0.323 0.000
y -0.323 1.025 0.000
z 0.000 0.000 -2.014
Polar
3z2-r2-4.028
x2-y2-0.024
xy-0.323
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.108 -1.015 0.000
y -1.015 11.267 0.000
z 0.000 0.000 7.193


<r2> (average value of r2) Å2
<r2> 150.318
(<r2>)1/2 12.260