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All results from a given calculation for CH3CClCHCH3 (2-Butene, 2-chloro-, (E)-)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-615.336135
Energy at 298.15K-615.342877
HF Energy-614.927531
Nuclear repulsion energy206.426218
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 MP2/6-31G
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' 3197 3059 9.80      
2 A' 3168 3031 16.80      
3 A' 3155 3019 18.74      
4 A' 3068 2936 12.61      
5 A' 3059 2927 25.45      
6 A' 1732 1657 16.13      
7 A' 1572 1504 9.60      
8 A' 1563 1496 6.29      
9 A' 1499 1434 7.23      
10 A' 1479 1415 0.75      
11 A' 1412 1351 2.77      
12 A' 1182 1131 48.53      
13 A' 1122 1074 17.12      
14 A' 1047 1002 8.09      
15 A' 925 885 13.76      
16 A' 658 630 22.23      
17 A' 422 404 9.46      
18 A' 344 329 0.29      
19 A' 268 256 0.68      
20 A" 3144 3008 12.86      
21 A" 3127 2992 20.11      
22 A" 1556 1489 10.28      
23 A" 1542 1475 4.58      
24 A" 1125 1077 0.19      
25 A" 1116 1067 0.13      
26 A" 870 832 25.61      
27 A" 435 416 4.08      
28 A" 226 216 0.26      
29 A" 140 134 0.19      
30 A" 91 87 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 22120.8 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 21165.2 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 MP2/6-31G
ABC
0.23600 0.07570 0.05858

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.396 -0.711 0.000
H2 -2.730 0.333 0.000
H3 -2.821 -1.203 0.887
H4 -2.821 -1.203 -0.887
C5 0.000 0.184 0.000
H6 -0.493 -1.854 0.000
C7 -0.883 -0.835 0.000
H8 0.215 2.138 0.888
H9 0.215 2.138 -0.888
C10 -0.235 1.673 0.000
Cl11 1.813 -0.241 0.000
H12 -1.310 1.893 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.09681.09991.09992.55762.21971.51793.96513.96513.21744.23522.8211
H21.09681.77651.77652.73453.12912.18603.56663.56662.83214.58012.1094
H31.09991.77651.77453.26632.57492.16274.51434.85073.96784.81523.5572
H41.09991.77651.77453.26632.57492.16274.85074.51433.96784.81523.5572
C52.55762.73453.26633.26632.09711.34882.15672.15671.50691.86272.1528
H62.21973.12912.57492.57492.09711.09094.15054.15053.53632.81393.8348
C71.51792.18602.16272.16271.34881.09093.29163.29162.59042.76082.7611
H83.96513.56664.51434.85072.15674.15053.29161.77531.09873.00111.7815
H93.96513.56664.85074.51432.15674.15053.29161.77531.09873.00111.7815
C103.21742.83213.96783.96781.50693.53632.59041.09871.09872.80391.0971
Cl114.23524.58014.81524.81521.86272.81392.76083.00113.00112.80393.7830
H122.82112.10943.55723.55722.15283.83482.76111.78151.78151.09713.7830

picture of 2-Butene, 2-chloro-, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C7 C5 126.203 C1 C7 H6 115.642
H2 C1 H3 107.939 H2 C1 H4 107.939
H2 C1 C7 112.458 H3 C1 H4 107.541
H3 C1 C7 110.396 H4 C1 C7 110.396
C5 C7 H6 118.155 C5 C10 H8 110.758
C5 C10 H9 110.758 C5 C10 H12 110.538
C7 C5 C10 130.130 C7 C5 Cl11 117.669
H8 C10 H9 107.793 H8 C10 H12 108.450
H9 C10 H12 108.450 C10 C5 Cl11 112.201
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability