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All results from a given calculation for CH3CHCl2 (Ethane, 1,1-dichloro-)

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-42.677479
Energy at 298.15K-42.682362
Nuclear repulsion energy65.124822
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' 3393 3047 24.50      
2 A' 3338 2997 18.75      
3 A' 3245 2914 25.30      
4 A' 1611 1446 4.83      
5 A' 1553 1395 1.58      
6 A' 1427 1281 23.53      
7 A' 1192 1071 2.31      
8 A' 1064 956 11.91      
9 A' 703 631 20.28      
10 A' 427 384 5.58      
11 A' 295 265 1.48      
12 A" 3322 2983 31.59      
13 A" 1614 1449 0.70      
14 A" 1390 1248 74.07      
15 A" 1171 1052 44.93      
16 A" 793 712 145.08      
17 A" 336 302 0.54      
18 A" 285 256 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 13578.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 12193.6 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
0.21177 0.10550 0.07463

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 0.405 0.000
C2 -1.486 0.040 0.000
H3 0.160 1.473 0.000
Cl4 0.808 -0.224 1.471
Cl5 0.808 -0.224 -1.471
H6 -1.612 -1.040 0.000
H7 -1.959 0.457 0.889
H8 -1.959 0.457 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.52991.08001.79261.79262.16502.15162.1516
C21.52992.18192.73802.73801.08801.08971.0897
H31.08002.18192.33772.33773.07502.51182.5118
Cl41.79262.73802.33772.94302.94752.90833.6999
Cl51.79262.73802.33772.94302.94753.69992.9083
H62.16501.08803.07502.94752.94751.77571.7757
H72.15161.08972.51182.90833.69991.77571.7776
H82.15161.08972.51183.69992.90831.77571.7776

picture of Ethane, 1,1-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.443 C1 C2 H7 109.283
C1 C2 H8 109.283 C2 C1 H3 112.291
C2 C1 Cl4 110.743 C2 C1 Cl5 110.743
H3 C1 Cl4 106.272 H3 C1 Cl5 106.272
Cl4 C1 Cl5 110.345 H6 C2 H7 109.260
H6 C2 H8 109.260 H7 C2 H8 109.294
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 -0.080      
2 C -0.258      
3 H 0.195      
4 Cl -0.138      
5 Cl -0.138      
6 H 0.147      
7 H 0.136      
8 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.147 1.227 0.000 2.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.194 -0.005 0.000
y -0.005 -35.866 0.000
z 0.000 0.000 -39.946
Traceless
 xyz
x 0.712 -0.005 0.000
y -0.005 2.704 0.000
z 0.000 0.000 -3.416
Polar
3z2-r2-6.832
x2-y2-1.328
xy-0.005
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.515 -0.525 0.000
y -0.525 4.317 0.000
z 0.000 0.000 7.348


<r2> (average value of r2) Å2
<r2> 88.722
(<r2>)1/2 9.419