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All results from a given calculation for CH2CCHCH3 (1,2-Butadiene)

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-155.928598
Energy at 298.15K-155.933454
Nuclear repulsion energy101.692344
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/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' 3040 3032 34.99      
2 A' 3026 3019 13.69      
3 A' 3018 3011 4.09      
4 A' 2945 2937 45.14      
5 A' 1989 1984 29.04      
6 A' 1482 1478 3.85      
7 A' 1446 1442 6.58      
8 A' 1382 1379 3.40      
9 A' 1335 1331 7.28      
10 A' 1121 1118 0.24      
11 A' 1066 1063 2.97      
12 A' 852 850 4.99      
13 A' 820 818 52.41      
14 A' 554 553 6.52      
15 A' 204 203 1.17      
16 A" 3088 3080 10.73      
17 A" 2983 2976 31.46      
18 A" 1466 1462 7.16      
19 A" 1036 1033 0.18      
20 A" 1005 1002 0.01      
21 A" 868 866 17.07      
22 A" 520 519 5.24      
23 A" 326 325 6.29      
24 A" 159 158 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 17863.8 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 17819.2 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 BLYP/6-311G*
ABC
1.14343 0.13757 0.12904

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.686 1.839 0.000
C2 0.000 0.720 0.000
C3 0.681 -0.402 0.000
C4 0.075 -1.795 0.000
H5 -0.986 2.332 0.930
H6 -0.986 2.332 -0.930
H7 1.777 -0.347 0.000
H8 -1.022 -1.757 0.000
H9 0.400 -2.366 -0.885
H10 0.400 -2.366 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.31252.62563.71371.09441.09443.29313.61254.43274.4327
C21.31251.31302.51702.10592.10592.07272.68033.23563.2356
C32.62561.31301.51903.33483.33481.09762.17602.17212.1721
C43.71372.51701.51904.36204.36202.23501.09761.10221.1022
H51.09442.10593.33484.36201.85993.95924.19405.22384.8985
H61.09442.10593.33484.36201.85993.95924.19404.89855.2238
H73.29312.07271.09762.23503.95923.95923.13422.59932.5993
H83.61252.68032.17601.09764.19404.19403.13421.78221.7822
H94.43273.23562.17211.10225.22384.89852.59931.78221.7705
H104.43273.23562.17211.10224.89855.22382.59931.78221.7705

picture of 1,2-Butadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.719 C2 C1 H5 121.816
C2 C1 H6 121.816 C2 C3 C4 125.274
C2 C3 H7 118.316 C3 C4 H8 111.512
C3 C4 H9 110.918 C3 C4 H10 110.918
C4 C3 H7 116.410 H5 C1 H6 116.368
H8 C4 H9 108.226 H8 C4 H10 108.226
H9 C4 H10 106.868
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.510      
2 C 0.159      
3 C -0.267      
4 C -0.606      
5 H 0.205      
6 H 0.205      
7 H 0.193      
8 H 0.209      
9 H 0.206      
10 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.070 -0.387 0.000 0.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.219 -1.685 0.000
y -1.685 -23.711 0.000
z 0.000 0.000 -25.873
Traceless
 xyz
x -0.427 -1.685 0.000
y -1.685 1.835 0.000
z 0.000 0.000 -1.407
Polar
3z2-r2-2.815
x2-y2-1.508
xy-1.685
xz0.000
yz0.000


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> 99.984
(<r2>)1/2 9.999