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: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-616.793270
Energy at 298.15K-616.800476
Nuclear repulsion energy203.731017
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 mPW1PW91/6-31G**
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' 3265 3106 8.16      
2 A' 3203 3048 6.85      
3 A' 3162 3009 25.18      
4 A' 3074 2925 18.64      
5 A' 3050 2902 25.23      
6 A' 1735 1650 14.94      
7 A' 1524 1451 5.42      
8 A' 1488 1416 2.72      
9 A' 1432 1362 9.65      
10 A' 1388 1321 15.59      
11 A' 1333 1269 1.26      
12 A' 1273 1211 5.48      
13 A' 1123 1068 2.22      
14 A' 1054 1003 7.11      
15 A' 910 866 9.16      
16 A' 854 813 63.51      
17 A' 528 503 2.45      
18 A' 331 315 0.91      
19 A' 184 175 0.45      
20 A" 3154 3001 26.84      
21 A" 3080 2931 13.35      
22 A" 1516 1442 7.58      
23 A" 1300 1237 0.05      
24 A" 1111 1057 1.58      
25 A" 984 936 40.93      
26 A" 840 799 8.14      
27 A" 734 698 0.70      
28 A" 301 287 0.80      
29 A" 203 193 0.42      
30 A" 151 144 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 22142.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 21068.5 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 mPW1PW91/6-31G**
ABC
0.48075 0.05302 0.04861

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.903 -1.699 0.000
H2 2.439 -2.651 0.000
H3 2.219 -1.140 0.885
H4 2.219 -1.140 -0.885
C5 0.399 -1.935 0.000
H6 0.121 -2.543 -0.871
H7 0.121 -2.543 0.871
C8 0.000 0.541 0.000
Cl9 -1.040 1.933 0.000
H10 1.049 0.806 0.000
C11 -0.460 -0.705 0.000
H12 -1.535 -0.863 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 Cl9 H10 C11 H12
C11.09201.09341.09341.52202.15512.15512.93934.67482.64662.56313.5380
H21.09201.76431.76432.16172.47832.47834.01675.75433.72543.49094.3574
H31.09341.76431.76932.17423.07442.52412.92124.56612.43692.85453.8671
H41.09341.76431.76932.17422.52413.07442.92124.56612.43692.85453.8671
C51.52202.16172.17422.17421.09781.09782.50774.12672.81661.49992.2111
H62.15512.47833.07442.52411.09781.74123.20684.70533.58242.11512.5144
H72.15512.47832.52413.07441.09781.74123.20684.70533.58242.11512.5144
C82.93934.01672.92122.92122.50773.20683.20681.73761.08201.32792.0805
Cl94.67485.75434.56614.56614.12674.70534.70531.73762.37392.70092.8395
H102.64663.72542.43692.43692.81663.58243.58241.08202.37392.13503.0763
C112.56313.49092.85452.85451.49992.11512.11511.32792.70092.13501.0871
H123.53804.35743.86713.86712.21112.51442.51442.08052.83953.07631.0871

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 109.631 C1 C5 H7 109.631
C1 C5 C11 116.020 H2 C1 H3 107.666
H2 C1 H4 107.666 H2 C1 C5 110.501
H3 C1 H4 108.017 H3 C1 C5 111.414
H4 C1 C5 111.414 C5 C11 C8 124.833
C5 C11 H12 116.545 H6 C5 H7 104.940
H6 C5 C11 108.016 H7 C5 C11 108.016
C8 C11 H12 118.622 Cl9 C8 H10 112.603
Cl9 C8 C11 122.980 H10 C8 C11 124.417
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.415      
2 H 0.139      
3 H 0.142      
4 H 0.142      
5 C -0.276      
6 H 0.149      
7 H 0.149      
8 C -0.275      
9 Cl -0.021      
10 H 0.174      
11 C -0.052      
12 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.027 -1.989 0.000 2.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.889 1.444 0.000
y 1.444 -37.750 0.000
z 0.000 0.000 -39.145
Traceless
 xyz
x 1.558 1.444 0.000
y 1.444 0.267 0.000
z 0.000 0.000 -1.826
Polar
3z2-r2-3.651
x2-y20.861
xy1.444
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 220.381
(<r2>)1/2 14.845