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

using model chemistry: HSEh1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1197.057267
Energy at 298.15K-1197.060771
HF Energy-1197.057267
Nuclear repulsion energy377.928246
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/6-311G*
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 3149 3021 0.58      
2 A 1422 1365 10.95      
3 A 1325 1271 12.31      
4 A 1146 1100 184.70      
5 A 1089 1045 110.49      
6 A 842 808 104.49      
7 A 465 446 2.06      
8 A 316 303 1.48      
9 A 167 161 0.79      
10 A 79 76 0.64      
11 B 3161 3033 16.55      
12 B 1368 1313 10.78      
13 B 1252 1202 33.05      
14 B 1108 1063 29.92      
15 B 831 798 117.15      
16 B 438 420 11.71      
17 B 395 379 7.83      
18 B 333 319 11.89      

Unscaled Zero Point Vibrational Energy (zpe) 9442.8 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 9061.3 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/6-311G*
ABC
0.09847 0.06053 0.03897

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.222 0.729 0.399
C2 0.222 -0.729 0.399
H3 -1.308 0.814 0.353
H4 1.308 -0.814 0.353
F5 0.222 1.291 1.549
F6 -0.222 -1.291 1.549
Cl7 0.467 1.602 -0.982
Cl8 -0.467 -1.602 -0.982

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52311.09012.17241.35502.32391.77252.7192
C21.52312.17241.09012.32391.35502.71921.7725
H31.09012.17243.08011.99942.65292.35602.8844
H42.17241.09013.08012.65291.99942.88442.3560
F51.35502.32391.99942.65292.61932.56133.9043
F62.32391.35502.65291.99942.61933.90432.5613
Cl71.77252.71922.35602.88442.56133.90433.3365
Cl82.71921.77252.88442.35603.90432.56133.3365

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 111.394 C1 C2 F6 107.551
C1 C2 Cl8 110.976 C2 C1 H3 111.394
C2 C1 F5 107.551 C2 C1 Cl7 110.976
H3 C1 F5 109.237 H3 C1 Cl7 108.415
H4 C2 F6 109.237 H4 C2 Cl8 108.415
F5 C1 Cl7 109.235 F6 C2 Cl8 109.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 C -0.055      
3 H 0.284      
4 H 0.284      
5 F -0.200      
6 F -0.200      
7 Cl -0.030      
8 Cl -0.030      


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 -0.280 0.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.885 -2.464 0.000
y -2.464 -50.813 0.000
z 0.000 0.000 -50.249
Traceless
 xyz
x 5.646 -2.464 0.000
y -2.464 -3.247 0.000
z 0.000 0.000 -2.400
Polar
3z2-r2-4.800
x2-y25.929
xy-2.464
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.949 0.766 0.000
y 0.766 6.459 0.000
z 0.000 0.000 7.065


<r2> (average value of r2) Å2
<r2> 245.684
(<r2>)1/2 15.674