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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2h 1Ag
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-156.172827
Energy at 298.15K-156.180813
HF Energy-156.172827
Nuclear repulsion energy116.486667
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 HF/Def2TZVPP
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 3266 2960 0.00      
2 Ag 3227 2925 0.00      
3 Ag 3152 2857 0.00      
4 Ag 1881 1705 0.00      
5 Ag 1606 1456 0.00      
6 Ag 1540 1396 0.00      
7 Ag 1441 1306 0.00      
8 Ag 1256 1139 0.00      
9 Ag 929 842 0.00      
10 Ag 533 483 0.00      
11 Au 3193 2894 70.15      
12 Au 1597 1447 11.91      
13 Au 1166 1057 9.07      
14 Au 1095 993 38.03      
15 Au 265 240 3.86      
16 Au 189 171 0.91      
17 Bg 3193 2894 0.00      
18 Bg 1597 1448 0.00      
19 Bg 1180 1070 0.00      
20 Bg 840 761 0.00      
21 Bg 245 222 0.00      
22 Bu 3273 2967 74.57      
23 Bu 3224 2923 38.13      
24 Bu 3152 2857 90.69      
25 Bu 1613 1462 17.51      
26 Bu 1537 1393 4.07      
27 Bu 1441 1306 4.10      
28 Bu 1134 1028 1.10      
29 Bu 1059 960 11.87      
30 Bu 303 275 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 25062.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 22716.6 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 HF/Def2TZVPP
ABC
1.18414 0.12514 0.11804

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.573 0.000
C2 -0.322 -0.573 0.000
C3 -0.322 1.927 0.000
C4 0.322 -1.927 0.000
H5 1.401 0.563 0.000
H6 -1.401 -0.563 0.000
H7 -1.402 1.851 0.000
H8 1.402 -1.851 0.000
H9 -0.023 2.498 0.873
H10 -0.023 2.498 -0.873
H11 0.023 -2.498 0.873
H12 0.023 -2.498 -0.873

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.31521.49962.50021.07832.06372.14642.65372.14172.14173.20703.2070
C21.31522.50021.49962.06371.07832.65372.14643.20703.20702.14172.1417
C31.49962.50023.90762.19772.71321.08254.15301.08521.08524.52374.5237
C42.50021.49963.90762.71322.19774.15301.08254.52374.52371.08521.0852
H51.07832.06372.19772.71323.01893.08472.41372.55622.55623.46833.4683
H62.06371.07832.71322.19773.01892.41373.08473.46833.46832.55622.5562
H72.14642.65371.08254.15303.08472.41374.64421.75591.75594.65924.6592
H82.65372.14644.15301.08252.41373.08474.64424.65924.65921.75591.7559
H92.14173.20701.08524.52372.55623.46831.75594.65921.74544.99685.2928
H102.14173.20701.08524.52372.55623.46831.75594.65921.74545.29284.9968
H113.20702.14174.52371.08523.46832.55624.65921.75594.99685.29281.7454
H123.20702.14174.52371.08523.46832.55624.65921.75595.29284.99681.7454

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 125.176 C1 C2 H6 118.807
C1 C3 H7 111.434 C1 C3 H9 110.893
C1 C3 H10 110.893 C2 C1 C3 125.176
C2 C1 H5 118.807 C2 C4 H8 111.434
C2 C4 H11 110.893 C2 C4 H12 110.893
C3 C1 H5 116.017 C4 C2 H6 116.017
H7 C3 H9 108.196 H7 C3 H10 108.196
H8 C4 H11 108.196 H8 C4 H12 108.196
H9 C3 H10 107.068 H11 C4 H12 107.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.091      
2 C -0.091      
3 C -0.123      
4 C -0.123      
5 H 0.043      
6 H 0.043      
7 H 0.055      
8 H 0.055      
9 H 0.058      
10 H 0.058      
11 H 0.058      
12 H 0.058      


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 -25.761 0.429 0.000
y 0.429 -25.781 0.000
z 0.000 0.000 -28.375
Traceless
 xyz
x 1.316 0.429 0.000
y 0.429 1.287 0.000
z 0.000 0.000 -2.604
Polar
3z2-r2-5.208
x2-y20.019
xy0.429
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.545 0.481 0.000
y 0.481 9.630 0.000
z 0.000 0.000 5.555


<r2> (average value of r2) Å2
<r2> 111.108
(<r2>)1/2 10.541