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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-156.393267
Energy at 298.15K-156.400957
Nuclear repulsion energy116.558614
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 LSDA/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 A 3048 3015 0.00      
2 A 3028 2995 0.00      
3 A 2950 2918 0.00      
4 A 1728 1710 0.00      
5 A 1409 1393 0.00      
6 A 1340 1325 0.00      
7 A 1270 1256 0.00      
8 A 1140 1128 0.00      
9 A 863 854 0.00      
10 A 497 491 0.00      
11 A 3007 2974 18.81      
12 A 1395 1380 18.83      
13 A 1014 1003 0.02      
14 A 956 945 37.57      
15 A 244 242 4.15      
16 A 187 185 1.95      
17 A 3007 2975 0.00      
18 A 1397 1381 0.00      
19 A 1022 1011 0.00      
20 A 734 726 0.00      
21 A 244 242 0.00      
22 A 3050 3017 53.20      
23 A 3034 3001 6.46      
24 A 2950 2918 46.25      
25 A 1419 1403 26.78      
26 A 1342 1328 13.99      
27 A 1262 1249 2.89      
28 A 1098 1086 6.68      
29 A 942 932 20.79      
30 A 274 271 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 22925.3 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 22675.4 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 LSDA/cc-pVTZ
ABC
1.16097 0.12701 0.11956

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.580 0.000
C2 -0.322 -0.580 0.000
C3 -0.322 1.907 0.000
C4 0.322 -1.907 0.000
H5 1.421 0.559 0.000
H6 -1.421 -0.559 0.000
H7 -1.418 1.816 0.000
H8 1.418 -1.816 0.000
H9 -0.030 2.502 0.881
H10 -0.030 2.502 -0.881
H11 0.030 -2.502 0.881
H12 0.030 -2.502 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.32691.47562.48721.09872.08212.13512.63502.14312.14313.21833.2183
C21.32692.48721.47562.08211.09872.63502.13513.21833.21832.14312.1431
C31.47562.48723.86862.20392.69951.09974.11041.10221.10224.50984.5098
C42.48721.47563.86862.69952.20394.11041.09974.50984.50981.10221.1022
H51.09872.08212.20392.69953.05343.10522.37512.57972.57973.47523.4752
H62.08211.09872.69952.20393.05342.37513.10523.47523.47522.57972.5797
H72.13512.63501.09974.11043.10522.37514.60911.78151.78154.63884.6388
H82.63502.13514.11041.09972.37513.10524.60914.63884.63881.78151.7815
H92.14313.21831.10224.50982.57973.47521.78154.63881.76145.00385.3048
H102.14313.21831.10224.50982.57973.47521.78154.63881.76145.30485.0038
H113.21832.14314.50981.10223.47522.57974.63881.78155.00385.30481.7614
H123.21832.14314.50981.10223.47522.57974.63881.78155.30485.00381.7614

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 125.025 C1 C2 H6 117.961
C1 C3 H7 111.168 C1 C3 H9 111.663
C1 C3 H10 111.663 C2 C1 C3 125.025
C2 C1 H5 117.961 C2 C4 H8 111.168
C2 C4 H11 111.663 C2 C4 H12 111.663
C3 C1 H5 117.014 C4 C2 H6 117.014
H7 C3 H9 108.012 H7 C3 H10 108.012
H8 C4 H11 108.012 H8 C4 H12 108.012
H9 C3 H10 106.087 H11 C4 H12 106.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.125      
2 C -0.125      
3 C -0.321      
4 C -0.321      
5 H 0.109      
6 H 0.109      
7 H 0.104      
8 H 0.104      
9 H 0.117      
10 H 0.117      
11 H 0.117      
12 H 0.117      


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 -25.954 0.287 0.000
y 0.287 -25.270 0.000
z 0.000 0.000 -28.222
Traceless
 xyz
x 0.791 0.287 0.000
y 0.287 1.818 0.000
z 0.000 0.000 -2.609
Polar
3z2-r2-5.219
x2-y2-0.684
xy0.287
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.116 0.191 0.000
y 0.191 10.594 0.000
z 0.000 0.000 5.589


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000