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

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-1183.127986
Energy at 298.15K-1183.130979
HF Energy-1183.127986
Nuclear repulsion energy364.823222
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 PBE1PBE/STO-3G
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 3337 2944 0.48      
2 A 1464 1291 16.54      
3 A 1332 1175 24.90      
4 A 1259 1110 107.56      
5 A 1061 936 3.77      
6 A 853 753 48.74      
7 A 462 407 6.23      
8 A 271 239 0.12      
9 A 141 124 0.68      
10 A 54 48 1.35      
11 B 3343 2949 0.16      
12 B 1416 1249 10.73      
13 B 1262 1113 25.71      
14 B 1259 1111 7.79      
15 B 851 750 73.26      
16 B 441 389 11.69      
17 B 380 335 5.57      
18 B 304 268 11.41      

Unscaled Zero Point Vibrational Energy (zpe) 9744.0 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 8595.2 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 PBE1PBE/STO-3G
ABC
0.09017 0.05660 0.03666

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.193 0.775 0.423
C2 0.193 -0.775 0.423
H3 -1.287 0.905 0.232
H4 1.287 -0.905 0.232
F5 0.193 1.354 1.607
F6 -0.193 -1.354 1.607
Cl7 0.671 1.582 -1.014
Cl8 -0.671 -1.582 -1.014

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.59781.11792.24701.37352.43621.86062.8016
C21.59782.24701.11792.43621.37352.80161.8606
H31.11792.24703.14642.06952.86152.41742.8491
H42.24701.11793.14642.86152.06952.84912.4174
F51.37352.43622.06952.86152.73502.67434.0294
F62.43621.37352.86152.06952.73504.02942.6743
Cl71.86062.80162.41742.84912.67434.02943.4363
Cl82.80161.86062.84912.41744.02942.67433.4363

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 110.425 C1 C2 F6 109.926
C1 C2 Cl8 107.971 C2 C1 H3 110.425
C2 C1 F5 109.926 C2 C1 Cl7 107.971
H3 C1 F5 111.919 H3 C1 Cl7 105.798
H4 C2 F6 111.919 H4 C2 Cl8 105.798
F5 C1 Cl7 110.661 F6 C2 Cl8 110.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.080      
2 C 0.080      
3 H 0.127      
4 H 0.127      
5 F -0.047      
6 F -0.047      
7 Cl -0.161      
8 Cl -0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.339 2.339
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.751 -3.442 0.000
y -3.442 -46.904 0.000
z 0.000 0.000 -45.465
Traceless
 xyz
x 4.434 -3.442 0.000
y -3.442 -3.296 0.000
z 0.000 0.000 -1.138
Polar
3z2-r2-2.275
x2-y25.153
xy-3.442
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.359 0.810 0.000
y 0.810 2.963 0.000
z 0.000 0.000 4.364


<r2> (average value of r2) Å2
<r2> 258.281
(<r2>)1/2 16.071