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 CHCl2CHF2 (1,1-dichloro-2,2-difluoroethane)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-1197.439882
Energy at 298.15K-1197.443072
HF Energy-1197.439882
Nuclear repulsion energy366.216519
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 B3LYP/SDD
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' 3215 3090 12.26      
2 A' 3197 3073 1.13      
3 A' 1389 1335 16.73      
4 A' 1252 1203 1.45      
5 A' 1120 1077 57.60      
6 A' 1007 968 67.13      
7 A' 741 712 35.86      
8 A' 512 492 9.54      
9 A' 368 354 26.10      
10 A' 326 313 10.78      
11 A' 234 225 0.21      
12 A" 1337 1285 2.79      
13 A" 1232 1184 8.05      
14 A" 1020 980 140.57      
15 A" 742 713 119.56      
16 A" 367 353 2.50      
17 A" 169 163 2.15      
18 A" 66 64 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 9145.8 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 8791.9 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 B3LYP/SDD
ABC
0.07671 0.06665 0.03690

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.421 -0.208 0.000
C2 -0.372 1.102 0.000
H3 1.501 -0.059 0.000
H4 -1.452 0.953 0.000
Cl5 -0.006 -1.173 1.527
Cl6 -0.006 -1.173 -1.527
F7 -0.006 1.868 1.134
F8 -0.006 1.868 -1.134

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53081.09022.20351.85581.85582.40332.4033
C21.53082.20351.09022.76352.76351.41631.4163
H31.09022.20353.12172.41712.41712.69622.6962
H42.20351.09023.12172.98982.98982.05252.0525
Cl51.85582.76352.41712.98983.05313.06594.0400
Cl61.85582.76352.41712.98983.05314.04003.0659
F72.40331.41632.69622.05253.06594.04002.2671
F82.40331.41632.69622.05254.04003.06592.2671

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 113.359 C1 C2 F7 109.206
C1 C2 F8 109.206 C2 C1 H3 113.359
C2 C1 Cl5 108.997 C2 C1 Cl6 108.997
H3 C1 Cl5 107.396 H3 C1 Cl6 107.396
H4 C2 F7 109.253 H4 C2 F8 109.253
Cl5 C1 Cl6 110.690 F7 C2 F8 106.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.531      
2 C 0.289      
3 H 0.341      
4 H 0.231      
5 Cl 0.046      
6 Cl 0.046      
7 F -0.211      
8 F -0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.265 -0.725 0.000 0.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.273 -1.380 0.000
y -1.380 -53.642 0.000
z 0.000 0.000 -51.604
Traceless
 xyz
x 9.351 -1.380 0.000
y -1.380 -6.204 0.000
z 0.000 0.000 -3.147
Polar
3z2-r2-6.293
x2-y210.370
xy-1.380
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.612 0.341 0.000
y 0.341 5.436 0.000
z 0.000 0.000 7.913


<r2> (average value of r2) Å2
<r2> 257.553
(<r2>)1/2 16.048