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All results from a given calculation for CHCl2CHF2 (1,1-dichloro-2,2-difluoroethane)

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1189.067433
Energy at 298.15K-1189.071117
HF Energy-1189.067433
Nuclear repulsion energy378.287429
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/3-21G*
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' 3377 3048 1.83      
2 A' 3359 3032 18.40      
3 A' 1576 1423 38.16      
4 A' 1399 1262 0.57      
5 A' 1220 1101 130.51      
6 A' 1128 1018 29.87      
7 A' 832 751 36.26      
8 A' 582 526 13.62      
9 A' 411 371 28.03      
10 A' 371 335 11.34      
11 A' 270 244 0.02      
12 A" 1553 1402 19.47      
13 A" 1371 1237 13.32      
14 A" 1287 1161 103.51      
15 A" 867 783 120.99      
16 A" 426 384 2.29      
17 A" 190 172 2.29      
18 A" 87 79 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 10153.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9164.3 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/3-21G*
ABC
0.08240 0.07076 0.03940

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.401 -0.220 0.000
C2 -0.366 1.093 0.000
H3 1.458 -0.042 0.000
H4 -1.423 0.915 0.000
Cl5 -0.005 -1.137 1.467
Cl6 -0.005 -1.137 -1.467
F7 -0.005 1.809 1.107
F8 -0.005 1.809 -1.107

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52011.07192.14871.77751.77752.34592.3459
C21.52012.14871.07192.69372.69371.36691.3669
H31.07192.14873.03662.34352.34352.60592.6059
H42.14871.07193.03662.89452.89452.00902.0090
Cl51.77752.69372.34352.89452.93442.96803.9121
Cl61.77752.69372.34352.89452.93443.91212.9680
F72.34591.36692.60592.00902.96803.91212.2135
F82.34591.36692.60592.00903.91212.96802.2135

picture of 1,1-dichloro-2,2-difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 110.796 C1 C2 F7 108.583
C1 C2 F8 108.583 C2 C1 H3 110.796
C2 C1 Cl5 109.295 C2 C1 Cl6 109.295
H3 C1 Cl5 108.094 H3 C1 Cl6 108.094
H4 C2 F7 110.339 H4 C2 F8 110.339
Cl5 C1 Cl6 111.261 F7 C2 F8 108.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.538      
2 C 0.641      
3 H 0.349      
4 H 0.253      
5 Cl 0.031      
6 Cl 0.031      
7 F -0.384      
8 F -0.384      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.212 -0.396 0.000 0.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.782 -1.277 0.000
y -1.277 -52.817 0.000
z 0.000 0.000 -51.578
Traceless
 xyz
x 8.416 -1.277 0.000
y -1.277 -5.137 0.000
z 0.000 0.000 -3.278
Polar
3z2-r2-6.557
x2-y29.035
xy-1.277
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.894 0.242 0.000
y 0.242 5.021 0.000
z 0.000 0.000 7.001


<r2> (average value of r2) Å2
<r2> 243.167
(<r2>)1/2 15.594