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: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-616.924505
Energy at 298.15K-616.931390
HF Energy-616.924505
Nuclear repulsion energy211.145097
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 B3LYPultrafine/aug-cc-pVTZ
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' 3159 3057 6.78      
2 A' 3122 3020 19.06      
3 A' 3110 3009 10.66      
4 A' 3032 2934 13.54      
5 A' 3019 2921 31.43      
6 A' 1724 1668 13.02      
7 A' 1495 1446 7.97      
8 A' 1485 1437 4.77      
9 A' 1424 1378 5.47      
10 A' 1413 1367 0.80      
11 A' 1359 1315 0.90      
12 A' 1152 1114 34.10      
13 A' 1082 1047 29.08      
14 A' 1007 974 10.49      
15 A' 910 880 21.12      
16 A' 671 649 22.04      
17 A' 435 421 9.14      
18 A' 346 334 0.41      
19 A' 268 259 0.40      
20 A" 3078 2978 9.12      
21 A" 3056 2956 15.37      
22 A" 1483 1435 9.31      
23 A" 1474 1426 5.63      
24 A" 1069 1034 0.46      
25 A" 1066 1031 1.32      
26 A" 860 832 15.42      
27 A" 448 434 3.95      
28 A" 231 224 0.54      
29 A" 170 165 0.24      
30 A" 134 129 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 21639.4 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 20936.2 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.24417 0.07995 0.06160

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.202 -1.072 0.000
H2 -2.706 -0.108 0.000
H3 -2.537 -1.629 0.877
H4 -2.537 -1.629 -0.877
C5 0.000 0.171 0.000
H6 -0.163 -1.891 0.000
C7 -0.706 -0.954 0.000
H8 -0.109 2.114 0.879
H9 -0.109 2.114 -0.879
C10 -0.481 1.586 0.000
Cl11 1.768 0.059 0.000
H12 -1.568 1.634 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.08751.09241.09242.52782.19691.50023.91143.91143.16604.12792.7785
H21.08751.76381.76382.72023.10552.17133.52893.52892.79654.47752.0807
H31.09241.76381.75493.23212.54472.14014.46164.79493.91604.70743.5149
H41.09241.76381.75493.23212.54472.14014.79494.46163.91604.70743.5149
C52.52782.72023.23213.23212.06801.32742.13612.13611.49531.77202.1446
H62.19693.10552.54472.54472.06801.08324.10104.10103.49182.74483.7944
C71.50022.17132.14012.14011.32741.08323.24663.24662.54982.67362.7271
H83.91143.52894.46164.79492.13614.10103.24661.75851.09092.91951.7694
H93.91143.52894.79494.46162.13614.10103.24661.75851.09092.91951.7694
C103.16602.79653.91603.91601.49533.49182.54981.09091.09092.71911.0877
Cl114.12794.47754.70744.70741.77202.74482.67362.91952.91952.71913.6893
H122.77852.08073.51493.51492.14463.79442.72711.76941.76941.08773.6893

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 126.639 C1 C7 H6 115.562
H2 C1 H3 108.023 H2 C1 H4 108.023
H2 C1 C7 113.122 H3 C1 H4 106.879
H3 C1 C7 110.281 H4 C1 C7 110.281
C5 C7 H6 117.799 C5 C10 H8 110.398
C5 C10 H9 110.398 C5 C10 H12 111.273
C7 C5 C10 129.098 C7 C5 Cl11 118.522
H8 C10 H9 107.418 H8 C10 H12 108.623
H9 C10 H12 108.623 C10 C5 Cl11 112.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.615      
2 H 0.265      
3 H 0.168      
4 H 0.168      
5 C 0.457      
6 H 0.295      
7 C -0.376      
8 H 0.213      
9 H 0.213      
10 C -0.696      
11 Cl -0.345      
12 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.167 0.213 0.000 2.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.259 0.341 0.000
y 0.341 -36.134 0.000
z 0.000 0.000 -39.702
Traceless
 xyz
x -1.342 0.341 0.000
y 0.341 3.347 0.000
z 0.000 0.000 -2.005
Polar
3z2-r2-4.011
x2-y2-3.126
xy0.341
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.260 1.394 0.000
y 1.394 10.497 0.000
z 0.000 0.000 7.358


<r2> (average value of r2) Å2
<r2> 184.550
(<r2>)1/2 13.585