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/TZVP

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/TZVP
 hartrees
Energy at 0K-616.906171
Energy at 298.15K-616.913035
HF Energy-616.906171
Nuclear repulsion energy210.567897
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/TZVP
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' 3164 3055 7.91      
2 A' 3129 3020 20.58      
3 A' 3116 3009 12.57      
4 A' 3038 2933 13.91      
5 A' 3025 2920 29.95      
6 A' 1730 1670 15.04      
7 A' 1499 1447 9.46      
8 A' 1488 1437 5.76      
9 A' 1429 1380 7.42      
10 A' 1417 1368 0.65      
11 A' 1362 1315 1.49      
12 A' 1151 1111 38.35      
13 A' 1084 1046 28.15      
14 A' 1007 972 10.87      
15 A' 910 879 23.07      
16 A' 670 647 23.95      
17 A' 434 419 10.30      
18 A' 348 336 0.39      
19 A' 268 259 0.41      
20 A" 3088 2981 10.28      
21 A" 3064 2958 17.08      
22 A" 1487 1435 11.23      
23 A" 1479 1427 5.80      
24 A" 1071 1034 0.57      
25 A" 1067 1030 1.07      
26 A" 861 831 17.75      
27 A" 446 430 4.58      
28 A" 231 223 0.50      
29 A" 170 164 0.48      
30 A" 125 120 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 21677.8 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 20927.7 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/TZVP
ABC
0.24351 0.07938 0.06122

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.944 -1.419 0.000
H2 -2.609 -0.583 0.000
H3 -2.157 -2.031 0.866
H4 -2.157 -2.031 -0.866
C5 0.000 0.201 0.000
H6 0.140 -1.811 0.000
C7 -0.528 -1.029 0.000
H8 -0.441 2.048 0.891
H9 -0.441 2.048 -0.891
C10 -0.710 1.477 0.000
Cl11 1.679 0.331 0.000
H12 -1.780 1.351 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.06841.08171.08172.53042.12001.46883.88233.88233.14834.02362.7750
H21.06841.74701.74702.72453.01042.12833.52373.52372.80214.38452.1044
H31.08171.74701.73223.22222.46412.09954.42514.76123.89264.58733.5117
H41.08171.74701.73223.22222.46412.09954.76124.42513.89264.58733.5117
C52.53042.72453.22223.22222.01601.33792.09772.09771.46101.68392.1196
H62.12003.01042.46412.46412.01601.02824.00224.00223.39592.63763.6988
C71.46882.12832.09952.09951.33791.02823.20403.20402.51252.59232.6890
H83.88233.52374.42514.76122.09774.00223.20401.78201.09162.86961.7528
H93.88233.52374.76124.42512.09774.00223.20401.78201.09162.86961.7528
C103.14832.80213.89263.89261.46103.39592.51251.09161.09162.64981.0774
Cl114.02364.38454.58734.58731.68392.63762.59232.86962.86962.64983.6062
H122.77502.10443.51173.51172.11963.69882.68901.75281.75281.07743.6062

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 128.671 C1 C7 H6 115.071
H2 C1 H3 108.685 H2 C1 H4 108.685
H2 C1 C7 113.091 H3 C1 H4 106.396
H3 C1 C7 109.877 H4 C1 C7 109.877
C5 C7 H6 116.258 C5 C10 H8 109.681
C5 C10 H9 109.681 C5 C10 H12 112.358
C7 C5 C10 127.661 C7 C5 Cl11 117.701
H8 C10 H9 109.412 H8 C10 H12 107.823
H9 C10 H12 107.823 C10 C5 Cl11 114.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.368      
2 H 0.121      
3 H 0.131      
4 H 0.131      
5 C -0.034      
6 H 0.145      
7 C -0.074      
8 H 0.140      
9 H 0.140      
10 C -0.330      
11 Cl -0.120      
12 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.169 0.270 0.000 2.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.071 0.451 0.000
y 0.451 -36.017 0.000
z 0.000 0.000 -39.806
Traceless
 xyz
x -1.160 0.451 0.000
y 0.451 3.421 0.000
z 0.000 0.000 -2.262
Polar
3z2-r2-4.523
x2-y2-3.054
xy0.451
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.202 1.435 0.000
y 1.435 9.441 0.000
z 0.000 0.000 6.194


<r2> (average value of r2) Å2
<r2> 185.426
(<r2>)1/2 13.617