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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-1197.326022
Energy at 298.15K-1197.329461
HF Energy-1197.326022
Nuclear repulsion energy376.320254
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 B3PW91/cc-pVDZ
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 3120 3011 0.57      
2 A 1386 1337 12.56      
3 A 1270 1226 8.53      
4 A 1138 1098 193.87      
5 A 1074 1037 98.69      
6 A 824 795 91.83      
7 A 456 440 2.04      
8 A 308 297 1.16      
9 A 163 157 0.73      
10 A 76 73 0.61      
11 B 3131 3022 12.09      
12 B 1321 1275 5.28      
13 B 1205 1163 29.86      
14 B 1103 1064 30.55      
15 B 816 787 108.35      
16 B 429 414 11.01      
17 B 386 372 7.26      
18 B 328 317 11.53      

Unscaled Zero Point Vibrational Energy (zpe) 9266.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 8941.7 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 B3PW91/cc-pVDZ
ABC
0.09731 0.06024 0.03869

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.731 0.405
C2 0.223 -0.731 0.405
H3 -1.318 0.817 0.352
H4 1.318 -0.817 0.352
F5 0.223 1.299 1.557
F6 -0.223 -1.299 1.557
Cl7 0.468 1.602 -0.988
Cl8 -0.468 -1.602 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52871.09952.18461.35972.33441.78252.7286
C21.52872.18461.09952.33441.35972.72861.7825
H31.09952.18463.10082.01492.66972.36732.8928
H42.18461.09953.10082.66972.01492.89282.3673
F51.35972.33442.01492.66972.63662.57453.9210
F62.33441.35972.66972.01492.63663.92102.5745
Cl71.78252.72862.36732.89282.57453.92103.3390
Cl82.72861.78252.89282.36733.92102.57453.3390

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 111.403 C1 C2 F6 107.695
C1 C2 Cl8 110.753 C2 C1 H3 111.403
C2 C1 F5 107.695 C2 C1 Cl7 110.753
H3 C1 F5 109.575 H3 C1 Cl7 108.100
H4 C2 F6 109.575 H4 C2 Cl8 108.100
F5 C1 Cl7 109.296 F6 C2 Cl8 109.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.153      
2 C 0.153      
3 H 0.100      
4 H 0.100      
5 F -0.178      
6 F -0.178      
7 Cl -0.075      
8 Cl -0.075      


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 -0.142 0.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.020 -2.270 0.000
y -2.270 -49.461 0.000
z 0.000 0.000 -49.262
Traceless
 xyz
x 5.341 -2.270 0.000
y -2.270 -2.820 0.000
z 0.000 0.000 -2.521
Polar
3z2-r2-5.043
x2-y25.440
xy-2.270
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.904 0.682 0.000
y 0.682 6.240 0.000
z 0.000 0.000 6.865


<r2> (average value of r2) Å2
<r2> 246.612
(<r2>)1/2 15.704