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

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-999.015703
Energy at 298.15K-999.020439
Nuclear repulsion energy208.610667
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' 3199 3044 6.79      
2 A' 3178 3024 0.56      
3 A' 3091 2941 5.53      
4 A' 1496 1424 8.01      
5 A' 1429 1360 11.49      
6 A' 1323 1259 13.66      
7 A' 1120 1066 4.41      
8 A' 1006 957 16.26      
9 A' 662 630 13.86      
10 A' 410 390 5.18      
11 A' 281 267 1.40      
12 A" 3181 3027 6.12      
13 A" 1500 1428 2.12      
14 A" 1280 1218 42.61      
15 A" 1086 1034 47.41      
16 A" 712 678 121.08      
17 A" 324 308 0.89      
18 A" 274 260 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 12775.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 12156.0 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 mPW1PW91/6-31G**
ABC
0.21516 0.10560 0.07504

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 0.000 0.540 0.000
C2 -1.452 0.951 0.000
H3 0.672 1.395 0.000
Cl4 0.396 -0.397 1.471
Cl5 0.396 -0.397 -1.471
H6 -2.100 0.073 0.000
H7 -1.663 1.548 0.889
H8 -1.663 1.548 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.50931.08791.78891.78892.15102.13812.1381
C21.50932.17082.72002.72001.09041.09171.0917
H31.08792.17082.33552.33553.07132.50342.5034
Cl41.78892.72002.33552.94242.93512.89173.6871
Cl51.78892.72002.33552.94242.93513.68712.8917
H62.15101.09043.07132.93512.93511.77671.7767
H72.13811.09172.50342.89173.68711.77671.7784
H82.13811.09172.50343.68712.89171.77671.7784

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 110.636 C1 C2 H7 109.528
C1 C2 H8 109.528 C2 C1 H3 112.390
C2 C1 Cl4 110.829 C2 C1 Cl5 110.829
H3 C1 Cl4 105.972 H3 C1 Cl5 105.972
Cl4 C1 Cl5 110.653 H6 C2 H7 109.022
H6 C2 H8 109.022 H7 C2 H8 109.079
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 -0.342      
2 C -0.380      
3 H 0.232      
4 Cl -0.011      
5 Cl -0.011      
6 H 0.178      
7 H 0.167      
8 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.142 1.954 0.000 2.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.980 -0.243 0.000
y -0.243 -36.354 0.000
z 0.000 0.000 -40.382
Traceless
 xyz
x 1.388 -0.243 0.000
y -0.243 2.327 0.000
z 0.000 0.000 -3.714
Polar
3z2-r2-7.429
x2-y2-0.626
xy-0.243
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> 146.514
(<r2>)1/2 12.104