return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/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 M06-2X/3-21G*
 hartrees
Energy at 0K-613.770952
Energy at 298.15K-613.777870
HF Energy-613.770952
Nuclear repulsion energy210.783330
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 M06-2X/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' 3197 3028 2.73      
2 A' 3150 2984 7.38      
3 A' 3133 2968 8.57      
4 A' 3066 2905 11.06      
5 A' 3054 2893 5.24      
6 A' 1768 1674 13.03      
7 A' 1565 1482 13.70      
8 A' 1552 1470 8.00      
9 A' 1479 1401 12.01      
10 A' 1461 1384 3.55      
11 A' 1403 1329 2.75      
12 A' 1182 1120 51.22      
13 A' 1114 1055 18.00      
14 A' 1032 977 11.26      
15 A' 935 886 15.05      
16 A' 690 653 19.92      
17 A' 452 428 8.66      
18 A' 357 339 0.37      
19 A' 282 267 0.36      
20 A" 3126 2961 8.60      
21 A" 3114 2949 3.28      
22 A" 1548 1466 19.45      
23 A" 1542 1461 2.43      
24 A" 1117 1058 0.07      
25 A" 1111 1052 0.04      
26 A" 903 856 30.38      
27 A" 451 427 5.83      
28 A" 238 225 0.72      
29 A" 171 162 0.49      
30 A" 100 95 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 22147.8 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 20978.4 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 M06-2X/3-21G*
ABC
0.24497 0.07958 0.06145

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.183 -1.114 0.000
H2 -2.688 -0.147 0.000
H3 -2.509 -1.673 0.884
H4 -2.509 -1.673 -0.884
C5 0.000 0.162 0.000
H6 -0.118 -1.911 0.000
C7 -0.679 -0.980 0.000
H8 -0.164 2.106 0.886
H9 -0.164 2.106 -0.886
C10 -0.525 1.572 0.000
Cl11 1.770 0.104 0.000
H12 -1.616 1.585 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.09121.09611.09612.52842.21271.51003.90193.90193.15634.13592.7582
H21.09121.77311.77312.70553.11662.17513.49663.49662.76254.46462.0369
H31.09611.77311.76843.23232.56022.14804.44754.78673.90534.71723.4926
H41.09611.77311.76843.23232.56022.14804.78674.44753.90534.71723.4926
C52.52842.70553.23233.23232.07641.32882.14192.14191.50431.77082.1532
H62.21273.11662.56022.56022.07641.08624.11314.11313.50642.76133.8033
C71.51002.17512.14802.14801.32881.08623.25133.25132.55682.67782.7313
H83.90193.49664.44754.78672.14194.11313.25131.77151.09522.92071.7785
H93.90193.49664.78674.44752.14194.11313.25131.77151.09522.92071.7785
C103.15632.76253.90533.90531.50433.50642.55681.09521.09522.72421.0910
Cl114.13594.46464.71724.71721.77082.76132.67782.92072.92072.72423.6956
H122.75822.03693.49263.49262.15323.80332.73131.77851.77851.09103.6956

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 125.798 C1 C7 H6 115.959
H2 C1 H3 108.322 H2 C1 H4 108.322
H2 C1 C7 112.486 H3 C1 H4 107.555
H3 C1 C7 110.004 H4 C1 C7 110.004
C5 C7 H6 118.242 C5 C10 H8 109.970
C5 C10 H9 109.970 C5 C10 H12 111.124
C7 C5 C10 128.861 C7 C5 Cl11 118.828
H8 C10 H9 107.945 H8 C10 H12 108.881
H9 C10 H12 108.881 C10 C5 Cl11 112.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.619      
2 H 0.209      
3 H 0.221      
4 H 0.221      
5 C -0.165      
6 H 0.227      
7 C -0.171      
8 H 0.232      
9 H 0.232      
10 C -0.598      
11 Cl -0.008      
12 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.229 0.086 0.000 2.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.428 0.385 0.000
y 0.385 -35.282 0.000
z 0.000 0.000 -39.883
Traceless
 xyz
x -0.846 0.385 0.000
y 0.385 3.874 0.000
z 0.000 0.000 -3.028
Polar
3z2-r2-6.056
x2-y2-3.146
xy0.385
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.495 1.439 0.000
y 1.439 7.946 0.000
z 0.000 0.000 4.431


<r2> (average value of r2) Å2
<r2> 184.561
(<r2>)1/2 13.585