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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-155.960945
Energy at 298.15K-155.965935
Nuclear repulsion energy102.632414
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 mPW1PW91/6-311G*
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' 3159 3015 26.70      
2 A' 3143 3000 6.35      
3 A' 3141 2997 2.77      
4 A' 3051 2912 38.96      
5 A' 2087 1991 39.47      
6 A' 1524 1455 3.88      
7 A' 1487 1419 9.81      
8 A' 1422 1357 3.39      
9 A' 1373 1311 6.66      
10 A' 1164 1111 0.18      
11 A' 1103 1053 3.26      
12 A' 892 852 5.61      
13 A' 867 828 58.64      
14 A' 576 550 8.17      
15 A' 211 201 1.50      
16 A" 3218 3071 5.25      
17 A" 3108 2966 24.53      
18 A" 1504 1436 8.91      
19 A" 1067 1019 0.29      
20 A" 1030 983 0.01      
21 A" 903 862 19.61      
22 A" 542 518 5.31      
23 A" 343 327 8.04      
24 A" 167 159 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 18540.9 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 17695.4 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 mPW1PW91/6-311G*
ABC
1.15678 0.14049 0.13172

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.682 1.821 0.000
C2 0.000 0.712 0.000
C3 0.678 -0.401 0.000
C4 0.074 -1.775 0.000
H5 -0.978 2.304 0.926
H6 -0.978 2.304 -0.926
H7 1.765 -0.337 0.000
H8 -1.015 -1.730 0.000
H9 0.394 -2.341 -0.880
H10 0.394 -2.341 0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.30222.60493.67461.08591.08593.26303.56674.38764.3876
C21.30221.30272.48792.08592.08592.05332.64463.20113.2011
C32.60491.30271.50143.30423.30421.08902.15272.14902.1490
C43.67462.48791.50144.31354.31352.22001.08971.09371.0937
H51.08592.08593.30424.31351.85253.91944.13985.16934.8438
H61.08592.08593.30424.31351.85253.91944.13984.84385.1693
H73.26302.05331.08902.22003.91943.91943.10972.58232.5823
H83.56672.64462.15271.08974.13984.13983.10971.76961.7696
H94.38763.20112.14901.09375.16934.84382.58231.76961.7591
H104.38763.20112.14901.09374.84385.16932.58231.76961.7591

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 179.763 C2 C1 H5 121.465
C2 C1 H6 121.465 C2 C3 C4 124.909
C2 C3 H7 118.021 C3 C4 H8 111.376
C3 C4 H9 110.836 C3 C4 H10 110.836
C4 C3 H7 117.069 H5 C1 H6 117.069
H8 C4 H9 108.285 H8 C4 H10 108.285
H9 C4 H10 107.070
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.554      
2 C 0.144      
3 C -0.311      
4 C -0.676      
5 H 0.235      
6 H 0.235      
7 H 0.224      
8 H 0.237      
9 H 0.232      
10 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.056 -0.398 0.000 0.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.723 -1.849 0.000
y -1.849 -23.074 0.000
z 0.000 0.000 -25.491
Traceless
 xyz
x -0.440 -1.849 0.000
y -1.849 2.033 0.000
z 0.000 0.000 -1.593
Polar
3z2-r2-3.186
x2-y2-1.649
xy-1.849
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> 97.963
(<r2>)1/2 9.898