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 C3H5Cl (1-chloro-1-propene(Z))

using model chemistry: HF/CEP-121G*

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-121G*
 hartrees
Energy at 0K-34.044369
Energy at 298.15K-34.049418
Nuclear repulsion energy60.007646
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-121G*
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' 3405 3076 14.57      
2 A' 3322 3001 22.84      
3 A' 3303 2984 6.66      
4 A' 3190 2882 38.74      
5 A' 1831 1654 20.60      
6 A' 1617 1461 3.79      
7 A' 1553 1403 0.70      
8 A' 1461 1320 50.40      
9 A' 1352 1222 0.16      
10 A' 1183 1068 1.70      
11 A' 986 891 20.16      
12 A' 808 730 54.96      
13 A' 597 539 2.12      
14 A' 238 215 1.16      
15 A" 3243 2930 38.73      
16 A" 1620 1464 7.51      
17 A" 1166 1053 4.73      
18 A" 1059 956 2.44      
19 A" 780 705 60.81      
20 A" 433 391 1.64      
21 A" 121 109 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 16634.0 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 15027.2 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-121G*
ABC
0.47950 0.11737 0.09595

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.917 0.000
C2 -1.233 0.438 0.000
C3 -1.676 -1.005 0.000
Cl4 1.450 -0.068 0.000
H5 0.222 1.967 0.000
H6 -2.013 1.185 0.000
H7 -0.837 -1.688 0.000
H8 -2.288 -1.205 0.877
H9 -2.288 -1.205 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9
C11.32232.54991.75331.07342.03082.73613.24153.2415
C21.32231.50942.73022.11051.08042.16252.14082.1408
C32.54991.50943.26353.52632.21571.08211.08761.0876
Cl41.75332.73023.26352.37733.68312.80264.00434.0043
H51.07342.11053.52632.37732.36793.80554.13924.1392
H62.03081.08042.21573.68312.36793.10452.56102.5610
H72.73612.16251.08212.80263.80553.10451.76241.7624
H83.24152.14081.08764.00434.13922.56101.76241.7531
H93.24152.14081.08764.00434.13922.56101.76241.7531

picture of 1-chloro-1-propene(Z) state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 128.324 C1 C2 H6 115.012
C2 C1 Cl4 124.569 C2 C1 H5 123.178
C2 C3 H7 112.068 C2 C3 H8 109.982
C2 C3 H9 109.982 C3 C2 H6 116.664
Cl4 C1 H5 112.253 H7 C3 H8 108.638
H7 C3 H9 108.638 H8 C3 H9 107.404
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.224      
2 C -0.041      
3 C -0.556      
4 Cl -0.166      
5 H 0.234      
6 H 0.206      
7 H 0.203      
8 H 0.172      
9 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.963 0.561 0.000 2.042
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.315 0.063 0.000
y 0.063 -28.607 0.000
z 0.000 0.000 -33.042
Traceless
 xyz
x 0.509 0.063 0.000
y 0.063 3.072 0.000
z 0.000 0.000 -3.581
Polar
3z2-r2-7.162
x2-y2-1.709
xy0.063
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.141 0.344 0.000
y 0.344 6.032 0.000
z 0.000 0.000 4.179


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000