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: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-1197.585528
Energy at 298.15K-1197.588761
HF Energy-1197.585528
Nuclear repulsion energy372.549540
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 BLYP/cc-pVTZ
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' 3050 3041 11.28      
2 A' 3037 3028 6.65      
3 A' 1349 1345 21.45      
4 A' 1211 1208 0.76      
5 A' 1055 1052 125.11      
6 A' 1014 1011 23.36      
7 A' 739 737 32.08      
8 A' 541 539 6.50      
9 A' 376 375 15.18      
10 A' 325 324 7.18      
11 A' 234 234 0.25      
12 A" 1309 1305 3.54      
13 A" 1187 1183 14.48      
14 A" 1019 1015 157.46      
15 A" 717 715 145.38      
16 A" 365 364 4.17      
17 A" 172 172 0.88      
18 A" 67 67 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 8883.4 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 8856.8 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 BLYP/cc-pVTZ
ABC
0.08000 0.06833 0.03814

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.407 -0.223 0.000
C2 -0.365 1.109 0.000
H3 1.489 -0.068 0.000
H4 -1.447 0.954 0.000
Cl5 -0.006 -1.157 1.495
Cl6 -0.006 -1.157 -1.495
F7 -0.006 1.841 1.109
F8 -0.006 1.841 -1.109

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.54001.09312.19581.81011.81012.37972.3797
C21.54002.19581.09312.73882.73881.37691.3769
H31.09312.19583.10832.37782.37782.66592.6659
H42.19581.09313.10832.96112.96112.02412.0241
Cl51.81012.73882.37782.96112.98963.02323.9715
Cl61.81012.73882.37782.96112.98963.97153.0232
F72.37971.37692.66592.02413.02323.97152.2187
F82.37971.37692.66592.02413.97153.02322.2187

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 111.890 C1 C2 F7 109.215
C1 C2 F8 109.215 C2 C1 H3 111.890
C2 C1 Cl5 109.411 C2 C1 Cl6 109.411
H3 C1 Cl5 107.389 H3 C1 Cl6 107.389
H4 C2 F7 109.528 H4 C2 F8 109.528
Cl5 C1 Cl6 111.342 F7 C2 F8 107.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 C 0.368      
3 H 0.147      
4 H 0.053      
5 Cl -0.087      
6 Cl -0.087      
7 F -0.178      
8 F -0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.044 -0.238 0.000 0.242
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.189 -0.957 0.000
y -0.957 -51.002 0.000
z 0.000 0.000 -49.754
Traceless
 xyz
x 6.189 -0.957 0.000
y -0.957 -4.030 0.000
z 0.000 0.000 -2.159
Polar
3z2-r2-4.317
x2-y26.813
xy-0.957
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.759 0.068 0.000
y 0.068 7.482 0.000
z 0.000 0.000 9.307


<r2> (average value of r2) Å2
<r2> 249.558
(<r2>)1/2 15.797