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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-157.188116
Energy at 298.15K-157.195751
Nuclear repulsion energy115.235982
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 BLYP/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 3029 3020 0.00      
2 A 3010 3001 0.00      
3 A 2938 2929 0.00      
4 A 1677 1672 0.00      
5 A 1454 1450 0.00      
6 A 1379 1375 0.00      
7 A 1305 1301 0.00      
8 A 1134 1131 0.00      
9 A 849 847 0.00      
10 A 488 487 0.00      
11 A 2969 2960 51.82      
12 A 1445 1441 10.91      
13 A 1042 1039 0.68      
14 A 968 965 31.37      
15 A 239 239 3.37      
16 A 170 170 0.96      
17 A 2970 2961 0.00      
18 A 1445 1441 0.00      
19 A 1038 1035 0.00      
20 A 735 733 0.00      
21 A 223 222 0.00      
22 A 3039 3030 84.34      
23 A 3008 2999 18.99      
24 A 2938 2929 77.02      
25 A 1463 1458 16.35      
26 A 1378 1374 2.89      
27 A 1303 1299 6.34      
28 A 1037 1033 3.12      
29 A 967 964 14.58      
30 A 272 271 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 22955.3 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 22886.4 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 BLYP/cc-pVTZ
ABC
1.15838 0.12265 0.11567

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 0.000
C2 0.000 -0.669 0.000
C3 -1.227 1.544 0.000
C4 1.227 -1.544 0.000
H5 0.961 1.192 0.000
H6 -0.961 -1.192 0.000
H7 -2.148 0.948 0.000
H8 2.148 -0.948 0.000
H9 -1.247 2.203 0.881
H10 -1.247 2.203 -0.881
H11 1.247 -2.203 0.881
H12 1.247 -2.203 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.33821.50672.53031.09412.09492.16562.68852.16432.16433.25273.2527
C21.33822.53031.50672.09491.09412.68852.16563.25273.25272.16432.1643
C31.50672.53033.94402.21572.74921.09674.19491.10021.10024.57564.5756
C42.53031.50673.94402.74922.21574.19491.09674.57564.57561.10021.1002
H51.09412.09492.21572.74923.06273.11802.44752.58342.58343.51933.5193
H62.09491.09412.74922.21573.06272.44753.11803.51933.51932.58342.5834
H72.16562.68851.09674.19493.11802.44754.69521.77771.77774.71504.7150
H82.68852.16564.19491.09672.44753.11804.69524.71504.71501.77771.7777
H92.16433.25271.10024.57562.58343.51931.77774.71501.76185.06305.3608
H102.16433.25271.10024.57562.58343.51931.77774.71501.76185.36085.0630
H113.25272.16434.57561.10023.51932.58344.71501.77775.06305.36081.7618
H123.25272.16434.57561.10023.51932.58344.71501.77775.36085.06301.7618

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 125.496 C1 C2 H6 118.571
C1 C3 H7 111.604 C1 C3 H9 111.287
C1 C3 H10 111.287 C2 C1 C3 125.496
C2 C1 H5 118.571 C2 C4 H8 111.604
C2 C4 H11 111.287 C2 C4 H12 111.287
C3 C1 H5 115.933 C4 C2 H6 115.933
H7 C3 H9 108.025 H7 C3 H10 108.025
H8 C4 H11 108.025 H8 C4 H12 108.025
H9 C3 H10 106.390 H11 C4 H12 106.390
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.082      
2 C -0.086      
3 H 0.082      
4 C -0.086      
5 H 0.085      
6 H 0.090      
7 H 0.090      
8 C -0.261      
9 H 0.085      
10 H 0.090      
11 H 0.090      
12 C -0.261      


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 -26.503 0.026 0.000
y 0.026 -25.775 0.000
z 0.000 0.000 -28.370
Traceless
 xyz
x 0.569 0.026 0.000
y 0.026 1.661 0.000
z 0.000 0.000 -2.231
Polar
3z2-r2-4.462
x2-y2-0.728
xy0.026
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> 113.278
(<r2>)1/2 10.643