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: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-1197.646323
Energy at 298.15K-1197.649748
HF Energy-1197.646323
Nuclear repulsion energy375.639185
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 B3LYPultrafine/TZVP
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' 3139 3024 10.16      
2 A' 3126 3012 5.79      
3 A' 1409 1357 30.48      
4 A' 1261 1215 0.87      
5 A' 1115 1074 137.60      
6 A' 1059 1020 27.09      
7 A' 780 751 33.80      
8 A' 569 548 7.76      
9 A' 396 381 18.26      
10 A' 339 327 9.62      
11 A' 246 237 0.28      
12 A" 1373 1323 6.25      
13 A" 1243 1198 16.86      
14 A" 1088 1049 174.19      
15 A" 781 752 144.76      
16 A" 387 373 2.86      
17 A" 181 174 1.39      
18 A" 72 70 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 9281.9 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 8942.1 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 B3LYPultrafine/TZVP
ABC
0.08134 0.06940 0.03875

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.406 -0.224 0.000
C2 -0.359 1.102 0.000
H3 1.482 -0.065 0.000
H4 -1.435 0.943 0.000
Cl5 -0.006 -1.148 1.484
Cl6 -0.006 -1.148 -1.484
F7 -0.006 1.827 1.096
F8 -0.006 1.827 -1.096

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.53071.08772.17971.79611.79612.36182.3618
C21.53072.17971.08772.71842.71841.36071.3607
H31.08772.17973.08632.36402.36402.64522.6452
H42.17971.08773.08632.93572.93572.00592.0059
Cl51.79612.71842.36402.93572.96813.00043.9381
Cl61.79612.71842.36402.93572.96813.93813.0004
F72.36181.36072.64522.00593.00043.93812.1920
F82.36181.36072.64522.00593.93813.00042.1920

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 111.583 C1 C2 F7 109.403
C1 C2 F8 109.403 C2 C1 H3 111.583
C2 C1 Cl5 109.339 C2 C1 Cl6 109.339
H3 C1 Cl5 107.571 H3 C1 Cl6 107.571
H4 C2 F7 109.520 H4 C2 F8 109.520
Cl5 C1 Cl6 111.434 F7 C2 F8 107.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 C 0.243      
3 H 0.216      
4 H 0.128      
5 Cl -0.042      
6 Cl -0.042      
7 F -0.183      
8 F -0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.076 -0.397 0.000 0.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.024 -1.120 0.000
y -1.120 -51.788 0.000
z 0.000 0.000 -50.234
Traceless
 xyz
x 6.987 -1.120 0.000
y -1.120 -4.659 0.000
z 0.000 0.000 -2.328
Polar
3z2-r2-4.655
x2-y27.764
xy-1.120
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.244 0.164 0.000
y 0.164 6.707 0.000
z 0.000 0.000 8.597


<r2> (average value of r2) Å2
<r2> 246.317
(<r2>)1/2 15.694