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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-196.251385
Energy at 298.15K-196.261093
HF Energy-196.251385
Nuclear repulsion energy173.340220
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 PBEPBEultrafine/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' 3081 3030 42.34      
2 A' 3074 3024 35.19      
3 A' 3062 3011 17.92      
4 A' 3057 3007 3.54      
5 A' 2967 2918 9.75      
6 A' 2964 2915 74.52      
7 A' 2956 2907 29.32      
8 A' 1711 1683 0.90      
9 A' 1480 1456 9.52      
10 A' 1479 1455 2.65      
11 A' 1463 1439 1.33      
12 A' 1401 1378 1.28      
13 A' 1391 1368 1.38      
14 A' 1388 1365 6.35      
15 A' 1344 1322 3.29      
16 A' 1217 1197 5.58      
17 A' 1117 1099 9.97      
18 A' 1050 1033 8.82      
19 A' 955 939 3.17      
20 A' 944 928 0.89      
21 A' 765 752 2.11      
22 A' 514 506 2.55      
23 A' 374 368 0.43      
24 A' 292 287 0.27      
25 A" 3012 2963 27.20      
26 A" 3011 2961 28.11      
27 A" 3006 2957 18.44      
28 A" 1471 1447 18.52      
29 A" 1463 1439 1.82      
30 A" 1451 1427 0.62      
31 A" 1079 1061 1.11      
32 A" 1032 1015 0.23      
33 A" 994 978 2.05      
34 A" 802 789 11.58      
35 A" 438 431 2.17      
36 A" 259 255 1.39      
37 A" 183 180 1.44      
38 A" 156 154 0.10      
39 A" 128 126 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 29264.7 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 28781.9 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 PBEPBEultrafine/6-31G*
ABC
0.26580 0.11599 0.08459

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.513 0.496 0.000
H2 -1.975 -0.503 0.000
H3 -1.885 1.042 0.886
H4 -1.885 1.042 -0.886
C5 0.273 -2.108 0.000
H6 0.658 -2.645 -0.887
H7 0.658 -2.645 0.887
H8 -0.824 -2.203 0.000
C9 0.743 -0.675 0.000
H10 1.836 -0.560 0.000
C11 0.000 0.453 0.000
C12 0.656 1.819 0.000
H13 1.756 1.746 0.000
H14 0.352 2.407 0.887
H15 0.352 2.407 -0.887

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.10061.10601.10603.15703.91903.91902.78552.54103.51161.51322.54083.49972.81332.8133
H21.10061.78351.78352.76243.50793.50792.05362.72323.81212.19453.50964.35673.82983.8298
H31.10601.78351.77273.92004.81704.47883.52783.26214.14802.16492.80163.81332.62063.1640
H41.10601.78351.77273.92004.47884.81703.52783.26214.14802.16492.80163.81333.16402.6206
C53.15702.76243.92003.92001.10571.10571.10131.50712.19922.57543.94544.12904.60124.6012
H63.91903.50794.81704.47881.10571.77351.78202.16152.55363.28894.55134.61225.36255.0608
H73.91903.50794.47884.81701.10571.77351.78202.16152.55363.28894.55134.61225.06085.3625
H82.78552.05363.52783.52781.10131.78201.78202.18813.12662.78134.28624.71734.83954.8395
C92.54102.72323.26213.26211.50712.16152.16152.18811.09991.35102.49612.62503.23083.2308
H103.51163.81214.14804.14802.19922.55362.55363.12661.09992.09772.65632.30793.43433.4343
C111.51322.19452.16492.16492.57543.28893.28892.78131.35102.09771.51552.18062.17402.1740
C122.54083.50962.80162.80163.94544.55134.55134.28622.49612.65631.51551.10231.10631.1063
H133.49974.35673.81333.81334.12904.61224.61224.71732.62502.30792.18061.10231.78731.7873
H142.81333.82982.62063.16404.60125.36255.06084.83953.23083.43432.17401.10631.78731.7732
H152.81333.82983.16402.62064.60125.06085.36254.83953.23083.43432.17401.10631.78731.7732

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 124.948 C1 C11 C12 114.054
H2 C1 H3 107.857 H2 C1 H4 107.857
H2 C1 C11 113.251 H3 C1 H4 106.530
H3 C1 C11 110.534 H4 C1 C11 110.534
C5 C9 H10 114.133 C5 C9 C11 128.521
H6 C5 H7 106.644 H6 C5 H8 107.688
H6 C5 C9 110.709 H7 C5 H8 107.688
H7 C5 C9 110.709 H8 C5 C9 113.125
C9 C11 C12 120.998 H10 C9 C11 117.345
C11 C12 H13 111.850 C11 C12 H14 111.071
C11 C12 H15 111.071 H13 C12 H14 108.049
H13 C12 H15 108.049 H14 C12 H15 106.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.557      
2 H 0.165      
3 H 0.165      
4 H 0.165      
5 C -0.534      
6 H 0.168      
7 H 0.168      
8 H 0.164      
9 C -0.157      
10 H 0.120      
11 C 0.199      
12 C -0.551      
13 H 0.163      
14 H 0.162      
15 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.181 0.048 0.000 0.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.062 -0.346 -0.001
y -0.346 -31.599 -0.001
z -0.001 -0.001 -33.951
Traceless
 xyz
x 0.714 -0.346 -0.001
y -0.346 1.407 -0.001
z -0.001 -0.001 -2.121
Polar
3z2-r2-4.242
x2-y2-0.462
xy-0.346
xz-0.001
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.413 -1.045 -0.001
y -1.045 10.803 -0.001
z -0.001 -0.001 5.816


<r2> (average value of r2) Å2
<r2> 152.177
(<r2>)1/2 12.336