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All results from a given calculation for (1,3-Butadiene, 2-methyl-)

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 CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-194.006717
Energy at 298.15K-194.014711
Nuclear repulsion energy161.044699
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' 3374 3065 21.89      
2 A' 3364 3057 17.63      
3 A' 3305 3003 8.13      
4 A' 3290 2989 15.50      
5 A' 3284 2983 4.49      
6 A' 3250 2953 26.35      
7 A' 3165 2875 27.22      
8 A' 1864 1693 1.42      
9 A' 1800 1635 34.36      
10 A' 1621 1473 6.78      
11 A' 1578 1434 1.07      
12 A' 1550 1409 3.68      
13 A' 1528 1388 3.34      
14 A' 1431 1300 0.85      
15 A' 1428 1297 0.84      
16 A' 1176 1069 4.87      
17 A' 1091 991 0.11      
18 A' 1030 936 0.36      
19 A' 829 754 0.32      
20 A' 569 517 0.05      
21 A' 458 416 1.89      
22 A' 299 272 1.21      
23 A" 3215 2921 32.37      
24 A" 1601 1454 7.49      
25 A" 1163 1056 0.00      
26 A" 1131 1028 14.89      
27 A" 1060 963 59.04      
28 A" 1047 951 44.33      
29 A" 856 778 0.59      
30 A" 704 639 0.11      
31 A" 439 399 11.62      
32 A" 226 205 0.21      
33 A" 154 140 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26438.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 24018.9 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 HF/6-311G**
ABC
0.28621 0.14000 0.09566

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.595 1.713 0.000
C2 0.000 0.529 0.000
C3 -0.822 -0.698 0.000
C4 -0.369 -1.940 0.000
C5 1.501 0.394 0.000
H6 -1.667 1.804 0.000
H7 -0.032 2.630 0.000
H8 -1.888 -0.537 0.000
H9 0.681 -2.176 0.000
H10 -1.048 -2.775 0.000
H11 1.975 1.368 0.000
H12 1.842 -0.150 0.876
H13 1.842 -0.150 -0.876

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.32512.42223.66062.47661.07641.07582.59504.09284.51062.59263.19023.1902
C21.32511.47722.49691.50752.09902.10122.16792.78923.46592.14582.14982.1498
C32.42221.47721.32222.56752.64133.42081.07812.10732.08853.47752.85722.8572
C43.66062.49691.32222.99153.96324.58292.06841.07551.07564.05472.97652.9765
C52.47661.50752.56752.99153.46832.71103.51492.69814.06701.08301.08641.0864
H61.07642.09902.64133.96323.46831.83222.35114.62094.62043.66824.11124.1112
H71.07582.10123.42084.58292.71101.83223.67054.85845.49932.37043.46543.4654
H82.59502.16791.07812.06843.51492.35113.67053.04702.39054.30693.85073.8507
H94.09282.78922.10731.07552.69814.62094.85843.04701.82913.77322.49382.4938
H104.51063.46592.08851.07564.06704.62045.49932.39051.82915.12844.00064.0006
H112.59262.14583.47754.05471.08303.66822.37044.30693.77325.12841.75841.7584
H123.19022.14982.85722.97651.08644.11123.46543.85072.49384.00061.75841.7526
H133.19022.14982.85722.97651.08644.11123.46543.85072.49384.00061.75841.7526

picture of 1,3-Butadiene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.520 C1 C2 C5 121.798
C2 C1 H6 121.512 C2 C1 H7 121.782
C2 C3 C4 126.147 C2 C3 H8 115.185
C2 C5 H11 110.791 C2 C5 H12 110.904
C2 C5 H13 110.904 C3 C2 C5 118.681
C3 C4 H9 122.688 C3 C4 H10 120.816
C4 C3 H8 118.667 H6 C1 H7 116.706
H9 C4 H10 116.496 H11 C5 H12 108.297
H11 C5 H13 108.297 H12 C5 H13 107.527
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 -0.148      
2 C -0.161      
3 C -0.112      
4 C -0.193      
5 C -0.203      
6 H 0.099      
7 H 0.100      
8 H 0.092      
9 H 0.106      
10 H 0.111      
11 H 0.096      
12 H 0.107      
13 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.235 -0.040 0.000 0.238
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.693 0.015 0.000
y 0.015 -30.122 0.000
z 0.000 0.000 -35.523
Traceless
 xyz
x 3.130 0.015 0.000
y 0.015 2.486 0.000
z 0.000 0.000 -5.616
Polar
3z2-r2-11.231
x2-y20.429
xy0.015
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.855 -1.358 0.000
y -1.358 12.782 0.000
z 0.000 0.000 4.667


<r2> (average value of r2) Å2
<r2> 131.045
(<r2>)1/2 11.447