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All results from a given calculation for CH3CClCHCH3 (2-Butene, 2-chloro-, (E)-)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-40.603078
Energy at 298.15K-40.610098
Nuclear repulsion energy89.971619
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 HF/CEP-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' 3387 3053 16.82      
2 A' 3341 3012 48.55      
3 A' 3322 2994 39.82      
4 A' 3231 2912 32.45      
5 A' 3215 2898 65.76      
6 A' 1890 1703 14.87      
7 A' 1635 1474 13.01      
8 A' 1625 1465 10.27      
9 A' 1576 1421 4.24      
10 A' 1564 1410 1.15      
11 A' 1487 1340 3.76      
12 A' 1254 1130 53.37      
13 A' 1183 1066 32.55      
14 A' 1096 988 7.38      
15 A' 972 877 23.28      
16 A' 688 620 44.17      
17 A' 446 402 14.65      
18 A' 355 320 0.40      
19 A' 277 250 0.67      
20 A" 3306 2980 44.61      
21 A" 3279 2955 54.68      
22 A" 1625 1465 16.52      
23 A" 1612 1453 6.08      
24 A" 1193 1075 2.83      
25 A" 1183 1066 0.21      
26 A" 977 880 26.26      
27 A" 466 420 11.60      
28 A" 244 220 0.46      
29 A" 162 146 0.41      
30 A" 120 108 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 23355.0 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 21052.2 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 HF/CEP-31G
ABC
0.23488 0.07681 0.05915

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -2.163 0.000
H2 -0.988 -2.163 0.000
H3 0.436 -2.712 0.879
H4 0.436 -2.712 -0.879
C5 0.000 0.388 0.000
H6 1.773 -0.709 0.000
C7 0.697 -0.764 0.000
H8 -1.779 1.222 0.880
H9 -1.779 1.222 -0.880
C10 -1.495 0.648 0.000
Cl11 0.965 1.957 0.000
H12 -2.050 -0.286 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 Cl11 H12
C11.08561.09081.09082.55282.21841.52183.96913.96913.23044.20982.8520
H21.08561.76181.76182.73563.12062.18983.58583.58582.85594.55892.1564
H31.09081.76181.75833.25242.56402.15374.51544.84613.97424.78063.5836
H41.09081.76181.75833.25242.56402.15374.84614.51543.97424.78063.5836
C52.55282.73563.25243.25242.08541.34622.15282.15281.51721.84152.1578
H62.21843.12062.56402.56402.08541.07824.13804.13803.53872.78593.8465
C71.52182.18982.15372.15371.34621.07823.29343.29342.60682.73372.7877
H83.96913.58584.51544.84612.15284.13803.29341.76051.08872.97341.7670
H93.96913.58584.84614.51542.15284.13803.29341.76051.08872.97341.7670
C103.23042.85593.97423.97421.51723.53872.60681.08871.08872.78611.0862
Cl114.20984.55894.78064.78061.84152.78592.73372.97342.97342.78613.7572
H122.85202.15643.58363.58362.15783.84652.78771.76701.76701.08623.7572

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 125.657 C1 C7 H6 116.087
H2 C1 H3 108.095 H2 C1 H4 108.095
H2 C1 C7 113.179 H3 C1 H4 107.401
H3 C1 C7 109.941 H4 C1 C7 109.941
C5 C7 H6 118.256 C5 C10 H8 110.322
C5 C10 H9 110.322 C5 C10 H12 110.871
C7 C5 C10 131.016 C7 C5 Cl11 117.247
H8 C10 H9 107.900 H8 C10 H12 108.674
H9 C10 H12 108.674 C10 C5 Cl11 111.738
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.363      
2 H 0.127      
3 H 0.119      
4 H 0.119      
5 C -0.388      
6 H 0.255      
7 C -0.040      
8 H 0.131      
9 H 0.131      
10 C -0.117      
11 Cl -0.091      
12 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.608 -2.734 0.000 3.172
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.764 -3.633 0.000
y -3.633 -40.307 0.000
z 0.000 0.000 -39.379
Traceless
 xyz
x 3.079 -3.633 0.000
y -3.633 -2.235 0.000
z 0.000 0.000 -0.843
Polar
3z2-r2-1.687
x2-y23.542
xy-3.633
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.159 -0.029 0.000
y -0.029 10.924 0.000
z 0.000 0.000 4.150


<r2> (average value of r2) Å2
<r2> 132.896
(<r2>)1/2 11.528