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

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-612.373150
Energy at 298.15K-612.379960
HF Energy-611.961583
Nuclear repulsion energy206.615223
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 MP2/3-21G
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' 3209 3063 4.43      
2 A' 3181 3036 11.77      
3 A' 3169 3025 11.70      
4 A' 3093 2952 6.94      
5 A' 3085 2944 14.68      
6 A' 1730 1652 17.37      
7 A' 1596 1524 10.59      
8 A' 1587 1515 6.49      
9 A' 1503 1434 8.18      
10 A' 1485 1417 0.48      
11 A' 1420 1356 2.92      
12 A' 1183 1129 61.11      
13 A' 1112 1062 6.32      
14 A' 1028 981 10.35      
15 A' 903 862 13.90      
16 A' 655 625 20.61      
17 A' 420 400 10.55      
18 A' 337 321 0.26      
19 A' 265 253 0.73      
20 A" 3158 3014 7.37      
21 A" 3142 2999 13.13      
22 A" 1589 1517 9.11      
23 A" 1577 1505 5.57      
24 A" 1135 1083 0.01      
25 A" 1129 1078 0.04      
26 A" 881 841 29.50      
27 A" 431 412 4.62      
28 A" 229 219 0.28      
29 A" 164 157 0.18      
30 A" 109 104 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 22252.1 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 21239.6 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 MP2/3-21G
ABC
0.23697 0.07574 0.05866

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.435 -0.551 0.000
H2 -2.689 0.512 0.000
H3 -2.884 -1.014 0.887
H4 -2.884 -1.014 -0.887
C5 0.000 0.182 0.000
H6 -0.607 -1.813 0.000
C7 -0.931 -0.775 0.000
H8 0.352 2.106 0.887
H9 0.352 2.106 -0.887
C10 -0.131 1.683 0.000
Cl11 1.796 -0.358 0.000
H12 -1.186 1.973 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.09311.09621.09622.54332.22171.52133.95133.95133.20894.23572.8157
H21.09311.77551.77552.70963.12142.17973.54623.54622.81314.56912.0958
H31.09621.77551.77363.24562.57102.15834.49454.83193.95394.80813.5476
H41.09621.77551.77363.24562.57102.15834.83194.49453.95394.80813.5476
C52.54332.70963.24563.24562.08551.33542.14732.14731.50621.87552.1475
H62.22173.12142.57102.57102.08551.08694.13074.13073.52792.80903.8295
C71.52132.17972.15832.15831.33541.08693.27613.27612.58482.75842.7598
H83.95133.54624.49454.83192.14734.13073.27611.77431.09522.99071.7804
H93.95133.54624.83194.49452.14734.13073.27611.77431.09522.99071.7804
C103.20892.81313.95393.95391.50623.52792.58481.09521.09522.80721.0938
Cl114.23574.56914.80814.80811.87552.80902.75842.99072.99072.80723.7849
H122.81572.09583.54763.54762.14753.82952.75981.78041.78041.09383.7849

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 125.694 C1 C7 H6 115.815
H2 C1 H3 108.385 H2 C1 H4 108.385
H2 C1 C7 111.928 H3 C1 H4 107.985
H3 C1 C7 110.026 H4 C1 C7 110.026
C5 C7 H6 118.491 C5 C10 H8 110.264
C5 C10 H9 110.264 C5 C10 H12 110.367
C7 C5 C10 130.813 C7 C5 Cl11 117.433
H8 C10 H9 108.201 H8 C10 H12 108.846
H9 C10 H12 108.846 C10 C5 Cl11 111.753
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.585     -0.150
2 H 0.197     0.069
3 H 0.207     0.070
4 H 0.207     0.070
5 C -0.173     0.024
6 H 0.218     0.118
7 C -0.146     -0.096
8 H 0.222     0.128
9 H 0.222     0.128
10 C -0.571     -0.304
11 Cl -0.005     -0.180
12 H 0.207     0.121


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.542 0.773 0.000 2.657
CHELPG        
AIM        
ESP -2.621 0.827 0.000 2.748


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.956 1.306 0.000
y 1.306 -36.546 0.000
z 0.000 0.000 -40.633
Traceless
 xyz
x -1.366 1.306 0.000
y 1.306 3.748 0.000
z 0.000 0.000 -2.382
Polar
3z2-r2-4.764
x2-y2-3.410
xy1.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.950 0.483 0.000
y 0.483 6.979 0.000
z 0.000 0.000 4.109


<r2> (average value of r2) Å2
<r2> 192.229
(<r2>)1/2 13.865