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-, (Z)-)

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-614.728043
Energy at 298.15K-614.734936
Nuclear repulsion energy212.506629
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 LSDA/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' 3102 3039 11.26      
2 A' 3086 3024 6.94      
3 A' 3082 3020 5.32      
4 A' 2982 2921 15.04      
5 A' 2977 2917 17.91      
6 A' 1763 1727 14.78      
7 A' 1470 1440 18.59      
8 A' 1463 1433 1.54      
9 A' 1402 1374 19.16      
10 A' 1400 1372 16.44      
11 A' 1292 1266 28.55      
12 A' 1168 1144 36.90      
13 A' 1152 1129 2.50      
14 A' 1026 1005 30.91      
15 A' 911 893 27.00      
16 A' 585 573 35.12      
17 A' 525 514 0.94      
18 A' 333 327 0.72      
19 A' 239 234 2.04      
20 A" 3060 2998 6.33      
21 A" 3045 2983 11.75      
22 A" 1467 1437 13.84      
23 A" 1443 1414 19.12      
24 A" 1064 1042 6.09      
25 A" 1049 1028 0.16      
26 A" 808 791 16.75      
27 A" 470 460 2.27      
28 A" 251 246 2.86      
29 A" 198 194 2.82      
30 A" 131 128 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 21471.7 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 21035.8 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 LSDA/6-31G
ABC
0.15905 0.11186 0.06734

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.202 2.672 0.000
Cl2 -1.259 -0.761 0.000
C3 1.886 -1.121 0.000
C4 -0.595 1.908 0.000
H5 -1.233 2.070 0.888
H6 -1.233 2.070 -0.888
C7 0.000 0.558 0.000
C8 1.296 0.235 0.000
H9 1.988 1.091 0.000
H10 1.103 -1.897 0.000
H11 2.529 -1.280 -0.886
H12 2.529 -1.280 0.886

Atom - Atom Distances (Å)
  H1 Cl2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12
H13.73034.14961.10391.79161.79162.12322.67072.38534.65634.67064.6706
Cl23.73033.16622.74992.96662.96661.82332.74223.73802.62143.92523.9252
C34.14963.16623.91554.54964.54962.52521.47902.21371.10261.10641.1064
C41.10392.74993.91551.10531.10531.47532.52462.70944.16644.55064.5506
H51.79162.96664.54961.10531.77622.14353.24793.48184.68825.34065.0371
H61.79162.96664.54961.10531.77622.14353.24793.48184.68825.03715.3406
C72.12321.82332.52521.47532.14352.14351.33542.05822.69113.24953.2495
C82.67072.74221.47902.52463.24793.24791.33541.10052.14052.14522.1452
H92.38533.73802.21372.70943.48183.48182.05821.10053.11562.58792.5879
H104.65632.62141.10264.16644.68824.68822.69112.14053.11561.78881.7888
H114.67063.92521.10644.55065.34065.03713.24952.14522.58791.78881.7730
H124.67063.92521.10644.55065.03715.34063.24952.14522.58791.78881.7730

picture of 2-Butene, 2-chloro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H5 108.380 H1 C4 H6 108.380
H1 C4 C7 109.982 Cl2 C7 C4 112.526
Cl2 C7 C8 119.693 C3 C8 C7 127.529
C3 C8 H9 117.478 C4 C7 C8 127.781
H5 C4 H6 106.927 H5 C4 C7 111.520
H6 C4 C7 111.520 C7 C8 H9 114.994
C8 C3 H10 111.190 C8 C3 H11 111.331
C8 C3 H12 111.331 H10 C3 H11 108.148
H10 C3 H12 108.148 H11 C3 H12 106.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.186      
2 Cl 0.041      
3 C -0.572      
4 C -0.547      
5 H 0.202      
6 H 0.202      
7 C -0.179      
8 C -0.065      
9 H 0.163      
10 H 0.197      
11 H 0.186      
12 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.562 1.456 0.000 2.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.677 -1.776 0.000
y -1.776 -35.352 0.000
z 0.000 0.000 -39.377
Traceless
 xyz
x 0.687 -1.776 0.000
y -1.776 2.676 0.000
z 0.000 0.000 -3.363
Polar
3z2-r2-6.726
x2-y2-1.326
xy-1.776
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.374 -0.349 0.000
y -0.349 8.485 0.000
z 0.000 0.000 4.697


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000