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 CHClCHCH2CH3 ((Z)-1-Chloro-1-butene)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-616.794825
Energy at 298.15K-616.802077
Nuclear repulsion energy203.803900
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 B1B95/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' 3242 3116 8.70      
2 A' 3189 3065 6.31      
3 A' 3148 3026 25.21      
4 A' 3056 2938 17.62      
5 A' 3039 2921 26.94      
6 A' 1724 1657 13.91      
7 A' 1478 1421 4.63      
8 A' 1442 1386 3.51      
9 A' 1397 1343 9.38      
10 A' 1360 1307 12.27      
11 A' 1302 1252 0.38      
12 A' 1234 1186 5.81      
13 A' 1117 1074 3.30      
14 A' 1039 998 10.09      
15 A' 911 876 9.04      
16 A' 848 815 61.06      
17 A' 523 502 2.39      
18 A' 328 315 0.87      
19 A' 195 188 0.35      
20 A" 3138 3016 25.18      
21 A" 3068 2949 11.93      
22 A" 1466 1409 7.17      
23 A" 1275 1225 0.10      
24 A" 1088 1046 1.70      
25 A" 968 930 35.66      
26 A" 827 795 7.35      
27 A" 726 698 0.76      
28 A" 311 299 0.65      
29 A" 211 203 0.80      
30 A" 164 157 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 21906.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 21056.0 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 B1B95/cc-pVDZ
ABC
0.47673 0.05333 0.04884

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.897 -1.684 0.000
H2 2.452 -2.631 0.000
H3 2.206 -1.114 0.888
H4 2.206 -1.114 -0.888
C5 0.399 -1.936 0.000
H6 0.122 -2.550 -0.874
H7 0.122 -2.550 0.874
C8 0.000 0.535 0.000
Cl9 -1.036 1.930 0.000
H10 1.058 0.793 0.000
C11 -0.464 -0.712 0.000
H12 -1.546 -0.866 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 Cl9 H10 C11 H12
C11.09781.09981.09981.51832.15942.15942.91924.65432.61562.55303.5383
H21.09781.77501.77502.16762.49012.49014.00465.74203.69733.49104.3703
H31.09981.77501.77582.17473.08412.53132.89404.53502.39682.84263.8638
H41.09981.77501.77582.17472.53133.08412.89404.53502.39682.84263.8638
C51.51832.16762.17472.17471.10371.10372.50274.12342.80721.49762.2196
H62.15942.49013.08412.53131.10371.74783.20874.70903.58012.11802.5259
H72.15942.49012.53133.08411.10371.74783.20874.70903.58012.11802.5259
C82.91924.00462.89402.89402.50273.20873.20871.73761.08871.33032.0866
Cl94.65435.74204.53504.53504.12344.70904.70901.73762.38242.70302.8425
H102.61563.69732.39682.39682.80723.58013.58011.08872.38242.14023.0875
C112.55303.49102.84262.84261.49762.11802.11801.33032.70302.14021.0930
H123.53834.37033.86383.86382.21962.52592.52592.08662.84253.08751.0930

picture of (Z)-1-Chloro-1-butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.875 C1 C5 H7 109.875
C1 C5 C11 115.662 H2 C1 H3 107.739
H2 C1 H4 107.739 H2 C1 C5 110.877
H3 C1 H4 107.668 H3 C1 C5 111.323
H4 C1 C5 111.323 C5 C11 C8 124.396
C5 C11 H12 117.062 H6 C5 H7 104.710
H6 C5 C11 108.067 H7 C5 C11 108.067
C8 C11 H12 118.542 Cl9 C8 H10 112.880
Cl9 C8 C11 122.988 H10 C8 C11 124.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.065      
2 H 0.035      
3 H 0.043      
4 H 0.043      
5 C -0.043      
6 H 0.046      
7 H 0.046      
8 C -0.110      
9 Cl -0.079      
10 H 0.052      
11 C 0.019      
12 H 0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.966 -1.855 0.000 2.092
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.131 1.218 0.000
y 1.218 -37.671 0.000
z 0.000 0.000 -39.220
Traceless
 xyz
x 1.315 1.218 0.000
y 1.218 0.504 0.000
z 0.000 0.000 -1.819
Polar
3z2-r2-3.639
x2-y20.540
xy1.218
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.930 -1.331 0.000
y -1.331 11.165 0.000
z 0.000 0.000 5.172


<r2> (average value of r2) Å2
<r2> 219.574
(<r2>)1/2 14.818