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

using model chemistry: HSEh1PBE/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 HSEh1PBE/STO-3G
 hartrees
Energy at 0K-1183.177596
Energy at 298.15K-1183.180579
HF Energy-1183.177596
Nuclear repulsion energy364.544296
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 HSEh1PBE/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 3332 2943 0.48      
2 A 1460 1290 16.35      
3 A 1330 1174 24.37      
4 A 1256 1109 108.23      
5 A 1057 933 3.72      
6 A 850 751 48.97      
7 A 460 406 6.36      
8 A 270 238 0.12      
9 A 140 124 0.69      
10 A 55 48 1.34      
11 B 3339 2948 0.23      
12 B 1414 1249 10.98      
13 B 1259 1112 28.88      
14 B 1257 1110 4.87      
15 B 847 748 73.97      
16 B 440 389 11.73      
17 B 379 335 5.53      
18 B 303 267 11.40      

Unscaled Zero Point Vibrational Energy (zpe) 9722.8 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 8586.2 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 HSEh1PBE/STO-3G
ABC
0.09006 0.05646 0.03661

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.192 0.776 0.422
C2 0.192 -0.776 0.422
H3 -1.285 0.908 0.228
H4 1.285 -0.908 0.228
F5 0.192 1.355 1.608
F6 -0.192 -1.355 1.608
Cl7 0.679 1.581 -1.014
Cl8 -0.679 -1.581 -1.014

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.59901.11812.24841.37412.43891.86232.8029
C21.59902.24841.11812.43891.37412.80291.8623
H31.11812.24843.14692.07022.86752.41872.8470
H42.24841.11813.14692.86752.07022.84702.4187
F51.37412.43892.07022.86752.73702.67624.0315
F62.43891.37412.86752.07022.73704.03152.6762
Cl71.86232.80292.41872.84702.67624.03153.4414
Cl82.80291.86232.84702.41874.03152.67623.4414

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 110.431 C1 C2 F6 109.998
C1 C2 Cl8 107.912 C2 C1 H3 110.431
C2 C1 F5 109.998 C2 C1 Cl7 107.912
H3 C1 F5 111.922 H3 C1 Cl7 105.768
H4 C2 F6 111.922 H4 C2 Cl8 105.768
F5 C1 Cl7 110.663 F6 C2 Cl8 110.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.081      
2 C 0.081      
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 2.338 2.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.783 -3.463 0.000
y -3.463 -46.891 0.000
z 0.000 0.000 -45.456
Traceless
 xyz
x 4.390 -3.463 0.000
y -3.463 -3.271 0.000
z 0.000 0.000 -1.119
Polar
3z2-r2-2.238
x2-y25.107
xy-3.463
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.376 0.820 0.000
y 0.820 2.979 0.000
z 0.000 0.000 4.377


<r2> (average value of r2) Å2
<r2> 258.658
(<r2>)1/2 16.083