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: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-616.427746
Energy at 298.15K-616.434539
Nuclear repulsion energy212.349422
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 PBEPBE/cc-pVDZ
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' 3087 3069 15.62      
2 A' 3072 3054 5.45      
3 A' 3068 3050 7.58      
4 A' 2968 2951 21.20      
5 A' 2961 2944 27.00      
6 A' 1698 1688 13.25      
7 A' 1412 1404 7.74      
8 A' 1400 1392 1.40      
9 A' 1343 1335 2.64      
10 A' 1339 1332 2.77      
11 A' 1255 1248 23.68      
12 A' 1126 1119 33.94      
13 A' 1096 1089 5.64      
14 A' 990 984 18.64      
15 A' 880 875 26.29      
16 A' 597 594 26.34      
17 A' 512 509 0.25      
18 A' 333 331 0.70      
19 A' 227 225 1.72      
20 A" 3038 3020 8.32      
21 A" 3018 3000 13.93      
22 A" 1405 1396 5.88      
23 A" 1386 1378 9.61      
24 A" 1019 1013 1.11      
25 A" 1000 994 0.68      
26 A" 784 779 10.50      
27 A" 460 457 1.42      
28 A" 246 245 1.66      
29 A" 191 190 2.29      
30 A" 125 124 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 21014.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 20892.9 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 PBEPBE/cc-pVDZ
ABC
0.16171 0.10973 0.06703

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.324 2.659 0.000
Cl2 -1.291 -0.685 0.000
C3 1.860 -1.222 0.000
C4 -0.518 1.940 0.000
H5 -1.150 2.132 0.892
H6 -1.150 2.132 -0.892
C7 0.000 0.534 0.000
C8 1.296 0.163 0.000
H9 2.017 0.999 0.000
H10 1.065 -1.991 0.000
H11 2.506 -1.387 -0.889
H12 2.506 -1.387 0.889

Atom - Atom Distances (Å)
  H1 Cl2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12
H13.71344.17481.10751.80161.80162.14932.67932.37194.70874.68274.6827
Cl23.71343.19672.73592.95822.95821.77562.72173.71162.69353.96243.9624
C34.17483.19673.95704.59484.59482.55881.49562.22651.10581.11131.1113
C41.10752.73593.95701.10991.10991.49792.53962.70454.23744.58334.5833
H51.80162.95824.59481.10991.78412.16133.26453.48034.76445.37845.0748
H61.80162.95824.59481.10991.78412.16133.26453.48034.76445.07485.3784
C72.14931.77562.55881.49792.16132.16131.34802.06982.74053.28093.2809
C82.67932.72171.49562.53963.26453.26451.34801.10432.16552.15812.1581
H92.37193.71162.22652.70453.48033.48032.06981.10433.13722.59262.5926
H104.70872.69351.10584.23744.76444.76442.74052.16553.13721.79781.7978
H114.68273.96241.11134.58335.37845.07483.28092.15812.59261.79781.7787
H124.68273.96241.11134.58335.07485.37843.28092.15812.59261.79781.7787

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 108.672 H1 C4 H6 108.672
H1 C4 C7 110.268 Cl2 C7 C4 113.120
Cl2 C7 C8 120.615 C3 C8 C7 128.199
C3 C8 H9 117.027 C4 C7 C8 126.265
H5 C4 H6 106.972 H5 C4 C7 111.075
H6 C4 C7 111.075 C7 C8 H9 114.775
C8 C3 H10 111.823 C8 C3 H11 110.893
C8 C3 H12 110.893 H10 C3 H11 108.357
H10 C3 H12 108.357 H11 C3 H12 106.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.036      
2 Cl -0.092      
3 C -0.008      
4 C 0.042      
5 H 0.059      
6 H 0.059      
7 C -0.216      
8 C -0.019      
9 H -0.005      
10 H 0.044      
11 H 0.050      
12 H 0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.200 1.031 0.000 1.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.755 -1.147 0.000
y -1.147 -35.729 0.000
z 0.000 0.000 -39.270
Traceless
 xyz
x 0.745 -1.147 0.000
y -1.147 2.283 0.000
z 0.000 0.000 -3.028
Polar
3z2-r2-6.057
x2-y2-1.025
xy-1.147
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.945 -0.732 0.000
y -0.732 9.341 0.000
z 0.000 0.000 5.276


<r2> (average value of r2) Å2
<r2> 174.089
(<r2>)1/2 13.194