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-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-33.961941
Energy at 298.15K-33.966944
Nuclear repulsion energy59.220341
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' 3456 3115 27.88      
2 A' 3355 3025 35.73      
3 A' 3339 3010 4.71      
4 A' 3217 2900 48.64      
5 A' 1848 1666 16.58      
6 A' 1623 1463 9.13      
7 A' 1573 1417 2.61      
8 A' 1458 1314 60.61      
9 A' 1357 1223 0.84      
10 A' 1199 1081 0.12      
11 A' 1007 908 18.00      
12 A' 761 686 62.88      
13 A' 577 520 5.49      
14 A' 237 214 1.44      
15 A" 3281 2958 58.52      
16 A" 1628 1468 16.43      
17 A" 1191 1073 1.51      
18 A" 1068 963 3.83      
19 A" 791 713 94.95      
20 A" 425 383 1.71      
21 A" 111 100 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 16751.7 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 15100.0 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 HF/CEP-31G
ABC
0.46045 0.11411 0.09302

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 0.000 0.947 0.000
C2 -1.260 0.474 0.000
C3 -1.706 -0.976 0.000
Cl4 1.475 -0.110 0.000
H5 0.266 1.988 0.000
H6 -2.037 1.226 0.000
H7 -0.867 -1.664 0.000
H8 -2.319 -1.177 0.879
H9 -2.319 -1.177 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9
C11.34552.57051.81391.07432.05632.75063.26543.2654
C21.34551.51692.79562.14931.08202.17302.14982.1498
C32.57051.51693.29613.55982.22681.08451.09081.0908
Cl41.81392.79563.29612.42053.75722.81014.03774.0377
H51.07432.14933.55982.42052.42613.82294.18004.1800
H62.05631.08202.22683.75722.42613.11742.57452.5745
H72.75062.17301.08452.81013.82293.11741.76581.7658
H83.26542.14981.09084.03774.18002.57451.76581.7590
H93.26542.14981.09084.03774.18002.57451.76581.7590

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 127.693 C1 C2 H6 115.369
C2 C1 Cl4 123.790 C2 C1 H5 124.929
C2 C3 H7 112.232 C2 C3 H8 109.976
C2 C3 H9 109.976 C3 C2 H6 116.938
Cl4 C1 H5 111.280 H7 C3 H8 108.529
H7 C3 H9 108.529 H8 C3 H9 107.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.356      
2 C -0.027      
3 C -0.368      
4 Cl -0.091      
5 H 0.229      
6 H 0.215      
7 H 0.162      
8 H 0.118      
9 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.688 0.811 0.000 2.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.288 0.460 0.000
y 0.460 -28.566 0.000
z 0.000 0.000 -33.267
Traceless
 xyz
x -0.372 0.460 0.000
y 0.460 3.712 0.000
z 0.000 0.000 -3.340
Polar
3z2-r2-6.680
x2-y2-2.723
xy0.460
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.756 -0.031 0.000
y -0.031 5.260 0.000
z 0.000 0.000 2.895


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