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: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-609.920119
Energy at 298.15K-609.926569
Nuclear repulsion energy207.006821
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 B3LYP/STO-3G
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' 3492 3116 0.53      
2 A' 3487 3112 0.20      
3 A' 3445 3074 15.00      
4 A' 3308 2952 0.01      
5 A' 3302 2947 0.37      
6 A' 1860 1660 8.74      
7 A' 1672 1492 4.83      
8 A' 1662 1483 4.72      
9 A' 1570 1401 2.18      
10 A' 1553 1386 2.37      
11 A' 1435 1280 6.41      
12 A' 1243 1109 47.07      
13 A' 1163 1038 17.31      
14 A' 1073 958 9.40      
15 A' 992 885 7.48      
16 A' 723 645 14.18      
17 A' 453 404 5.99      
18 A' 334 298 0.75      
19 A' 260 232 0.91      
20 A" 3459 3086 0.04      
21 A" 3446 3075 0.08      
22 A" 1664 1485 5.62      
23 A" 1648 1471 3.81      
24 A" 1152 1028 1.56      
25 A" 1145 1022 0.05      
26 A" 899 802 18.59      
27 A" 439 392 0.66      
28 A" 232 207 0.00      
29 A" 132 118 0.01      
30 A" 103 92 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 23671.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 21124.2 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 B3LYP/STO-3G
ABC
0.23452 0.07679 0.05915

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.302 -0.950 0.000
H2 -2.731 0.061 0.000
H3 -2.672 -1.488 0.890
H4 -2.672 -1.488 -0.890
C5 0.000 0.172 0.000
H6 -0.282 -1.912 0.000
C7 -0.772 -0.928 0.000
H8 -0.009 2.157 0.892
H9 -0.009 2.157 -0.892
C10 -0.410 1.648 0.000
Cl11 1.811 -0.052 0.000
H12 -1.506 1.741 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.09881.10371.10372.56162.23801.53043.96393.96393.21414.21032.8072
H21.09881.78781.78782.73323.14562.19453.54943.54942.81134.54332.0793
H31.10371.78781.78033.26962.58602.17184.51444.85363.96764.79103.5471
H41.10371.78781.78033.26962.58602.17184.85364.51443.96764.79103.5471
C52.56162.73323.26963.26962.10371.34422.17602.17601.53091.82482.1747
H62.23803.14562.58602.58602.10371.09974.17494.17493.56202.80013.8533
C71.53042.19452.17182.17181.34421.09973.30093.30092.60082.72762.7684
H83.96393.54944.51444.85362.17604.17493.30091.78461.10302.99781.7916
H93.96393.54944.85364.51442.17604.17493.30091.78461.10302.99781.7916
C103.21412.81133.96763.96761.53093.56202.60081.10301.10302.79631.1000
Cl114.21034.54334.79104.79101.82482.80012.72762.99782.99782.79633.7705
H122.80722.07933.54713.54712.17473.85332.76841.79161.79161.10003.7705

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 125.895 C1 C7 H6 115.646
H2 C1 H3 108.529 H2 C1 H4 108.529
H2 C1 C7 112.119 H3 C1 H4 107.510
H3 C1 C7 110.013 H4 C1 C7 110.013
C5 C7 H6 118.459 C5 C10 H8 110.352
C5 C10 H9 110.352 C5 C10 H12 110.430
C7 C5 C10 129.416 C7 C5 Cl11 117.996
H8 C10 H9 107.983 H8 C10 H12 108.832
H9 C10 H12 108.832 C10 C5 Cl11 112.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.221      
2 H 0.083      
3 H 0.088      
4 H 0.088      
5 C 0.031      
6 H 0.093      
7 C -0.073      
8 H 0.096      
9 H 0.096      
10 C -0.220      
11 Cl -0.151      
12 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.455 0.327 0.000 2.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.185 0.584 0.000
y 0.584 -33.169 0.000
z 0.000 0.000 -36.103
Traceless
 xyz
x -2.550 0.584 0.000
y 0.584 3.475 0.000
z 0.000 0.000 -0.926
Polar
3z2-r2-1.851
x2-y2-4.016
xy0.584
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.225 0.960 0.000
y 0.960 4.617 0.000
z 0.000 0.000 2.042


<r2> (average value of r2) Å2
<r2> 189.092
(<r2>)1/2 13.751