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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-155.948609
Energy at 298.15K-155.953553
Nuclear repulsion energy102.207000
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3170 3038 16.36      
2 A' 3155 3023 2.38      
3 A' 3151 3020 3.27      
4 A' 3050 2923 34.81      
5 A' 2082 1995 49.13      
6 A' 1490 1428 4.10      
7 A' 1455 1394 10.75      
8 A' 1385 1328 2.94      
9 A' 1353 1296 7.88      
10 A' 1161 1113 0.11      
11 A' 1086 1041 3.01      
12 A' 889 852 8.52      
13 A' 879 842 49.42      
14 A' 563 539 10.26      
15 A' 207 198 1.86      
16 A" 3238 3103 1.83      
17 A" 3116 2986 16.19      
18 A" 1457 1396 6.72      
19 A" 1046 1002 1.43      
20 A" 1004 962 0.86      
21 A" 892 855 18.17      
22 A" 537 515 4.51      
23 A" 319 306 8.51      
24 A" 163 156 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 18423.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17655.3 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 mPW1PW91/aug-cc-pVDZ
ABC
1.15362 0.13917 0.13059

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.680 1.833 0.000
C2 0.000 0.713 0.000
C3 0.677 -0.408 0.000
C4 0.071 -1.782 0.000
H5 -0.973 2.318 0.932
H6 -0.973 2.318 -0.932
H7 1.769 -0.343 0.000
H8 -1.023 -1.734 0.000
H9 0.395 -2.348 -0.884
H10 0.395 -2.348 0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.30992.61993.69231.09061.09063.27663.58304.40704.4070
C21.30991.31002.49662.09522.09522.06092.65223.21143.2114
C32.61991.31001.50213.32003.32001.09382.15592.15112.1511
C43.69232.49661.50214.33234.33232.22571.09491.09891.0989
H51.09062.09523.32004.33231.86363.93354.15765.19084.8630
H61.09062.09523.32004.33231.86363.93354.15764.86305.1908
H73.27662.06091.09382.22573.93353.93353.11892.58642.5864
H83.58302.65222.15591.09494.15764.15763.11891.78061.7806
H94.40703.21142.15111.09895.19084.86302.58641.78061.7686
H104.40703.21142.15111.09894.86305.19082.58641.78061.7686

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 179.853 C2 C1 H5 121.305
C2 C1 H6 121.305 C2 C3 C4 125.061
C2 C3 H7 117.761 C3 C4 H8 111.264
C3 C4 H9 110.631 C3 C4 H10 110.631
C4 C3 H7 117.178 H5 C1 H6 117.390
H8 C4 H9 108.512 H8 C4 H10 108.512
H9 C4 H10 107.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.643      
2 C -0.316      
3 C 0.841      
4 C 0.277      
5 H -0.320      
6 H -0.320      
7 H -0.503      
8 H -0.213      
9 H -0.044      
10 H -0.044      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.051 -0.466 0.000 0.468
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.036 -1.809 0.000
y -1.809 -23.317 0.000
z 0.000 0.000 -25.691
Traceless
 xyz
x -0.532 -1.809 0.000
y -1.809 2.046 0.000
z 0.000 0.000 -1.515
Polar
3z2-r2-3.029
x2-y2-1.718
xy-1.809
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.207 -2.178 0.000
y -2.178 11.268 0.000
z 0.000 0.000 5.810


<r2> (average value of r2) Å2
<r2> 98.822
(<r2>)1/2 9.941