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: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-616.754635
Energy at 298.15K-616.761422
HF Energy-616.754635
Nuclear repulsion energy 
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 wB97X-D/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' 3217 3051 9.53      
2 A' 3187 3023 18.55      
3 A' 3175 3012 13.38      
4 A' 3081 2923 13.64      
5 A' 3067 2909 29.35      
6 A' 1786 1694 12.52      
7 A' 1531 1452 9.77      
8 A' 1519 1441 5.27      
9 A' 1457 1382 6.40      
10 A' 1449 1374 3.13      
11 A' 1379 1308 1.57      
12 A' 1176 1115 37.45      
13 A' 1104 1047 34.01      
14 A' 1030 977 9.55      
15 A' 936 888 16.05      
16 A' 691 655 22.23      
17 A' 446 423 8.48      
18 A' 354 336 0.38      
19 A' 278 264 0.48      
20 A" 3148 2986 10.77      
21 A" 3125 2964 17.71      
22 A" 1515 1437 10.92      
23 A" 1503 1426 5.05      
24 A" 1083 1028 0.15      
25 A" 1079 1024 0.25      
26 A" 871 826 20.79      
27 A" 447 424 3.57      
28 A" 231 219 0.34      
29 A" 151 143 0.27      
30 A" 85 81 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 22050.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 20915.1 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 wB97X-D/6-31G*
ABC
0.24337 0.08001 0.06160

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.180 -1.108 0.000
H2 -2.703 -0.150 0.000
H3 -2.509 -1.671 0.881
H4 -2.509 -1.671 -0.881
C5 0.000 0.173 0.000
H6 -0.121 -1.896 0.000
C7 -0.686 -0.967 0.000
H8 -0.148 2.119 0.883
H9 -0.148 2.119 -0.883
C10 -0.509 1.582 0.000
Cl11 1.764 0.086 0.000
H12 -1.600 1.612 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.09221.09641.09642.52902.20451.50043.91523.91523.16734.12102.7816
H21.09221.76911.76912.72273.11732.17653.53013.53012.79574.47372.0788
H31.09641.76911.76253.23672.55552.14384.46624.80213.91964.70383.5192
H41.09641.76911.76253.23672.55552.14384.80214.46623.91964.70383.5192
C52.52902.72273.23673.23672.07291.33112.14202.14201.49761.76622.1520
H62.20453.11732.55552.55552.07291.08724.11124.11123.49942.73523.8072
C71.50042.17652.14382.14381.33111.08723.25523.25522.55532.66712.7365
H83.91523.53014.46624.80212.14204.11123.25521.76651.09512.92721.7742
H93.91523.53014.80214.46622.14204.11123.25521.76651.09512.92721.7742
C103.16732.79573.91963.91961.49763.49942.55531.09511.09512.72081.0921
Cl114.12104.47374.70384.70381.76622.73522.66712.92722.92722.72083.6943
H122.78162.07883.51923.51922.15203.80722.73651.77421.77421.09213.6943

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 126.436 C1 C7 H6 115.924
H2 C1 H3 107.868 H2 C1 H4 107.868
H2 C1 C7 113.235 H3 C1 H4 106.993
H3 C1 C7 110.319 H4 C1 C7 110.319
C5 C7 H6 117.640 C5 C10 H8 110.454
C5 C10 H9 110.454 C5 C10 H12 111.441
C7 C5 C10 129.109 C7 C5 Cl11 118.199
H8 C10 H9 107.521 H8 C10 H12 108.426
H9 C10 H12 108.426 C10 C5 Cl11 112.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.542      
2 H 0.174      
3 H 0.186      
4 H 0.186      
5 C -0.053      
6 H 0.182      
7 C -0.123      
8 H 0.197      
9 H 0.197      
10 C -0.534      
11 Cl -0.053      
12 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.199 0.125 0.000 2.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.232 0.370 0.000
y 0.370 -34.957 0.000
z 0.000 0.000 -38.951
Traceless
 xyz
x -1.278 0.370 0.000
y 0.370 3.634 0.000
z 0.000 0.000 -2.356
Polar
3z2-r2-4.712
x2-y2-3.275
xy0.370
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.944 1.432 0.000
y 1.432 8.494 0.000
z 0.000 0.000 4.944


<r2> (average value of r2) Å2
<r2> 184.010
(<r2>)1/2 13.565