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All results from a given calculation for CH3CHCHCH3 (2-Butene, (E)-)

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2h 1Ag
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-157.091457
Energy at 298.15K-157.099225
HF Energy-157.091457
Nuclear repulsion energy116.290367
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 HSEh1PBE/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3133 3011 0.00      
2 Ag 3116 2995 0.00      
3 Ag 3031 2913 0.00      
4 Ag 1762 1693 0.00      
5 Ag 1482 1424 0.00      
6 Ag 1408 1353 0.00      
7 Ag 1331 1279 0.00      
8 Ag 1173 1127 0.00      
9 Ag 881 847 0.00      
10 Ag 504 484 0.00      
11 Au 3082 2962 38.78      
12 Au 1471 1414 14.40      
13 Au 1065 1024 1.37      
14 Au 1005 966 35.72      
15 Au 247 238 3.86      
16 Au 181 174 1.15      
17 Bg 3082 2963 0.00      
18 Bg 1472 1415 0.00      
19 Bg 1070 1028 0.00      
20 Bg 764 734 0.00      
21 Bg 237 227 0.00      
22 Bu 3140 3018 69.88      
23 Bu 3115 2994 12.43      
24 Bu 3031 2913 63.67      
25 Bu 1491 1433 20.87      
26 Bu 1407 1352 5.13      
27 Bu 1324 1273 4.06      
28 Bu 1096 1054 4.34      
29 Bu 984 946 16.09      
30 Bu 281 270 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 23682.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 22760.9 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 HSEh1PBE/cc-pVTZ
ABC
1.16964 0.12544 0.11821

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.323 0.579 0.000
C2 -0.323 -0.579 0.000
C3 -0.323 1.923 0.000
C4 0.323 -1.923 0.000
H5 1.412 0.566 0.000
H6 -1.412 -0.566 0.000
H7 -1.411 1.841 0.000
H8 1.411 -1.841 0.000
H9 -0.027 2.506 0.877
H10 -0.027 2.506 -0.877
H11 0.027 -2.506 0.877
H12 0.027 -2.506 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.32691.49062.50201.08882.07902.14432.65332.14542.14543.22123.2212
C21.32692.50201.49062.07901.08882.65332.14433.22123.22122.14542.1454
C31.49062.50203.89912.20252.71621.09104.14361.09401.09404.52814.5281
C42.50201.49063.89912.71622.20254.14361.09104.52814.52811.09401.0940
H51.08882.07902.20252.71623.04213.09742.40652.56942.56943.48203.4820
H62.07901.08882.71622.20253.04212.40653.09743.48203.48202.56942.5694
H72.14432.65331.09104.14363.09742.40654.63851.76861.76864.66144.6614
H82.65332.14434.14361.09102.40653.09744.63854.66144.66141.76861.7686
H92.14543.22121.09404.52812.56943.48201.76864.66141.75325.01235.3101
H102.14543.22121.09404.52812.56943.48201.76864.66141.75325.31015.0123
H113.22122.14544.52811.09403.48202.56944.66141.76865.01235.31011.7532
H123.22122.14544.52811.09403.48202.56944.66141.76865.31015.01231.7532

picture of 2-Butene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.156 C1 C2 H6 118.437
C1 C3 H7 111.385 C1 C3 H9 111.287
C1 C3 H10 111.287 C2 C1 C3 125.156
C2 C1 H5 118.437 C2 C4 H8 111.385
C2 C4 H11 111.287 C2 C4 H12 111.287
C3 C1 H5 116.407 C4 C2 H6 116.407
H7 C3 H9 108.082 H7 C3 H10 108.082
H8 C4 H11 108.082 H8 C4 H12 108.082
H9 C3 H10 106.512 H11 C4 H12 106.512
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 C -0.126      
3 C -0.265      
4 C -0.265      
5 H 0.103      
6 H 0.103      
7 H 0.092      
8 H 0.092      
9 H 0.098      
10 H 0.098      
11 H 0.098      
12 H 0.098      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.655 0.338 0.000
y 0.338 -25.315 0.000
z 0.000 0.000 -27.986
Traceless
 xyz
x 0.995 0.338 0.000
y 0.338 1.506 0.000
z 0.000 0.000 -2.501
Polar
3z2-r2-5.002
x2-y2-0.340
xy0.338
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.796 0.269 0.000
y 0.269 10.109 0.000
z 0.000 0.000 5.424


<r2> (average value of r2) Å2
<r2> 110.912
(<r2>)1/2 10.531