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

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-156.458576
Energy at 298.15K-156.466191
HF Energy-156.045330
Nuclear repulsion energy116.027629
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 CCD/6-31G
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 3133 3006 76.55      
2 A 3111 2985 6.54      
3 A 3014 2892 13.91      
4 A 1739 1669 1.32      
5 A 1557 1494 6.13      
6 A 1485 1425 6.68      
7 A 1333 1279 0.17      
8 A 1059 1016 1.35      
9 A 874 839 0.44      
10 A 301 289 0.01      
11 A 3065 2941 0.00      
12 A 1537 1475 0.00      
13 A 1104 1059 0.00      
14 A 997 956 0.00      
15 A 382 366 0.00      
16 A 96 92 0.00      
17 A 3066 2941 61.60      
18 A 1543 1481 11.06      
19 A 1112 1067 1.61      
20 A 709 680 38.62      
21 A 93 89 0.54      
22 A 3107 2982 30.14      
23 A 3093 2967 4.06      
24 A 3010 2888 39.75      
25 A 1550 1487 3.67      
26 A 1478 1418 5.67      
27 A 1460 1401 0.43      
28 A 1186 1138 1.37      
29 A 1001 961 6.22      
30 A 582 558 4.84      

Unscaled Zero Point Vibrational Energy (zpe) 23887.7 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 22920.3 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 CCD/6-31G
ABC
0.53139 0.16486 0.13212

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.678 0.674
C2 0.000 -0.678 0.674
C3 0.000 1.610 -0.529
C4 0.000 -1.610 -0.529
H5 0.000 1.188 1.645
H6 0.000 -1.188 1.645
H7 0.000 1.062 -1.484
H8 0.000 -1.062 -1.484
H9 -0.889 2.265 -0.516
H10 0.889 2.265 -0.516
H11 0.889 -2.265 -0.516
H12 -0.889 -2.265 -0.516

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.35521.52242.58511.09722.10342.19162.77172.17392.17393.29613.2961
C21.35522.58511.52242.10341.09722.77172.19163.29613.29612.17392.1739
C31.52242.58513.22092.21503.54401.10062.83801.10441.10443.97613.9761
C42.58511.52243.22093.54402.21502.83801.10063.97613.97611.10441.1044
H51.09722.10342.21503.54402.37643.13133.85412.57292.57294.16944.1694
H62.10341.09723.54402.21502.37643.85413.13134.16944.16942.57292.5729
H72.19162.77171.10062.83803.13133.85412.12461.78161.78163.57753.5775
H82.77172.19162.83801.10063.85413.13132.12463.57753.57751.78161.7816
H92.17393.29611.10443.97612.57294.16941.78163.57751.77894.86664.5298
H102.17393.29611.10443.97612.57294.16941.78163.57751.77894.52984.8666
H113.29612.17393.97611.10444.16942.57293.57751.78164.86664.52981.7789
H123.29612.17393.97611.10444.16942.57293.57751.78164.52984.86661.7789

picture of 2-Butene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.787 C1 C2 H6 117.733
C1 C3 H7 112.344 C1 C3 H9 110.697
C1 C3 H10 110.697 C2 C1 C3 127.787
C2 C1 H5 117.733 C2 C4 H8 112.344
C2 C4 H11 110.697 C2 C4 H12 110.697
C3 C1 H5 114.480 C4 C2 H6 114.480
H7 C3 H9 107.803 H7 C3 H10 107.803
H8 C4 H11 107.803 H8 C4 H12 107.803
H9 C3 H10 107.298 H11 C4 H12 107.298
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability