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

using model chemistry: mPW1PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-999.027010
Energy at 298.15K-999.031725
Nuclear repulsion energy209.178522
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(2df,p)
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' 3186 3042 5.22      
2 A' 3163 3020 0.22      
3 A' 3077 2938 5.51      
4 A' 1480 1413 7.39      
5 A' 1410 1347 8.92      
6 A' 1309 1249 12.24      
7 A' 1112 1062 4.83      
8 A' 998 953 14.32      
9 A' 663 633 12.14      
10 A' 406 388 4.21      
11 A' 276 263 1.15      
12 A" 3167 3024 5.93      
13 A" 1485 1418 1.36      
14 A" 1256 1199 39.25      
15 A" 1074 1025 42.79      
16 A" 716 684 110.27      
17 A" 318 304 0.92      
18 A" 269 257 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 12683.2 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 12108.6 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 mPW1PW91/6-31G(2df,p)
ABC
0.21531 0.10658 0.07556

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.210 0.498 0.000
C2 -0.969 1.440 0.000
H3 1.163 1.022 0.000
Cl4 0.210 -0.520 1.464
Cl5 0.210 -0.520 -1.464
H6 -1.904 0.879 0.000
H7 -0.931 2.071 0.890
H8 -0.931 2.071 -0.890

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.50911.08741.78311.78312.14832.13812.1381
C21.50912.17282.71552.71551.09051.09201.0920
H31.08742.17282.32972.32973.07062.50652.5065
Cl41.78312.71552.32972.92792.92742.88923.6823
Cl51.78312.71552.32972.92792.92743.68232.8892
H62.14831.09053.07062.92742.92741.77761.7776
H72.13811.09202.50652.88923.68231.77761.7802
H82.13811.09202.50653.68232.88921.77761.7802

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 110.422 C1 C2 H7 109.523
C1 C2 H8 109.523 C2 C1 H3 112.598
C2 C1 Cl4 110.872 C2 C1 Cl5 110.872
H3 C1 Cl4 105.956 H3 C1 Cl5 105.956
Cl4 C1 Cl5 110.379 H6 C2 H7 109.078
H6 C2 H8 109.078 H7 C2 H8 109.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.065      
2 C -0.442      
3 H 0.206      
4 Cl -0.114      
5 Cl -0.114      
6 H 0.183      
7 H 0.173      
8 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.297 2.127 0.000 2.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.920 0.078 0.000
y 0.078 -36.046 0.000
z 0.000 0.000 -39.977
Traceless
 xyz
x 1.092 0.078 0.000
y 0.078 2.402 0.000
z 0.000 0.000 -3.494
Polar
3z2-r2-6.989
x2-y2-0.874
xy0.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.454 -0.504 0.000
y -0.504 6.536 0.000
z 0.000 0.000 8.120


<r2> (average value of r2) Å2
<r2> 145.595
(<r2>)1/2 12.066