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

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-155.999259
Energy at 298.15K-156.004218
HF Energy-155.999259
Nuclear repulsion energy102.013578
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 TPSSh/6-31+G**
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' 3146 3028 25.88      
2 A' 3137 3019 9.19      
3 A' 3131 3013 0.04      
4 A' 3035 2921 42.91      
5 A' 2047 1970 40.76      
6 A' 1520 1463 3.70      
7 A' 1486 1431 6.04      
8 A' 1418 1365 3.44      
9 A' 1367 1316 10.06      
10 A' 1153 1110 0.21      
11 A' 1093 1052 3.31      
12 A' 879 846 9.70      
13 A' 867 835 57.67      
14 A' 567 545 9.80      
15 A' 208 200 1.96      
16 A" 3212 3091 4.29      
17 A" 3090 2975 22.84      
18 A" 1503 1446 6.37      
19 A" 1060 1020 1.36      
20 A" 1024 985 0.23      
21 A" 894 861 19.52      
22 A" 534 514 4.96      
23 A" 340 328 9.81      
24 A" 167 160 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 18437.3 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 17745.9 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 TPSSh/6-31+G**
ABC
1.14949 0.13843 0.12984

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.679 1.841 0.000
C2 0.000 0.716 0.000
C3 0.680 -0.408 0.000
C4 0.069 -1.791 0.000
H5 -0.976 2.325 0.928
H6 -0.976 2.325 -0.928
H7 1.770 -0.351 0.000
H8 -1.022 -1.739 0.000
H9 0.391 -2.355 -0.883
H10 0.391 -2.355 0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10
C11.31372.62743.70811.08801.08803.28673.59604.41944.4194
C21.31371.31372.50822.09822.09822.06692.65933.21963.2196
C32.62741.31371.51283.32753.32751.09102.16152.15812.1581
C43.70812.50821.51284.34714.34712.22881.09241.09641.0964
H51.08802.09823.32754.34711.85593.94504.16905.20144.8761
H61.08802.09823.32754.34711.85593.94504.16904.87615.2014
H73.28672.06691.09102.22883.94503.94503.11822.58822.5882
H83.59602.65932.16151.09244.16904.16903.11821.77691.7769
H94.41943.21962.15811.09645.20144.87612.58821.77691.7666
H104.41943.21962.15811.09644.87615.20142.58821.77691.7666

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 179.923 C2 C1 H5 121.475
C2 C1 H6 121.475 C2 C3 C4 124.952
C2 C3 H7 118.236 C3 C4 H8 111.104
C3 C4 H9 110.597 C3 C4 H10 110.597
C4 C3 H7 116.812 H5 C1 H6 117.048
H8 C4 H9 108.543 H8 C4 H10 108.543
H9 C4 H10 107.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.472      
2 C 0.516      
3 C -0.408      
4 C -0.634      
5 H 0.164      
6 H 0.164      
7 H 0.169      
8 H 0.170      
9 H 0.165      
10 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.047 -0.472 0.000 0.474
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.604 -2.476 0.000
y -2.476 10.753 0.000
z 0.000 0.000 5.099


<r2> (average value of r2) Å2
<r2> 99.270
(<r2>)1/2 9.963