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All results from a given calculation for CHCl2CHF2 (1,1-dichloro-2,2-difluoroethane)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-1190.869581
Energy at 298.15K-1190.872755
HF Energy-1190.869581
Nuclear repulsion energy368.094977
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 PBEPBE/3-21G
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' 3112 3084 0.54      
2 A' 3069 3041 24.58      
3 A' 1383 1370 15.28      
4 A' 1227 1215 0.63      
5 A' 1073 1063 82.16      
6 A' 1033 1024 22.85      
7 A' 717 711 39.48      
8 A' 519 514 9.09      
9 A' 357 354 17.29      
10 A' 312 309 11.71      
11 A' 226 224 0.41      
12 A" 1363 1350 7.55      
13 A" 1172 1161 16.79      
14 A" 1111 1101 90.99      
15 A" 727 720 149.91      
16 A" 366 363 4.19      
17 A" 164 162 1.63      
18 A" 74 74 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 9002.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 8920.5 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 PBEPBE/3-21G
ABC
0.07625 0.06858 0.03739

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.419 -0.190 0.000
C2 -0.379 1.112 0.000
H3 1.500 -0.002 0.000
H4 -1.460 0.924 0.000
Cl5 -0.005 -1.159 1.530
Cl6 -0.005 -1.159 -1.530
F7 -0.005 1.831 1.139
F8 -0.005 1.831 -1.139

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52721.09782.18471.86021.86022.35892.3589
C21.52722.18471.09782.76412.76411.39791.3979
H31.09782.18473.10222.43892.43892.63192.6319
H42.18471.09783.10222.96622.96622.05842.0584
Cl51.86022.76412.43892.96623.06043.01604.0086
Cl61.86022.76412.43892.96623.06044.00863.0160
F72.35891.39792.63192.05843.01604.00862.2782
F82.35891.39792.63192.05844.00863.01602.2782

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 111.614 C1 C2 F7 107.418
C1 C2 F8 107.418 C2 C1 H3 111.614
C2 C1 Cl5 108.973 C2 C1 Cl6 108.973
H3 C1 Cl5 108.299 H3 C1 Cl6 108.299
H4 C2 F7 110.559 H4 C2 F8 110.559
Cl5 C1 Cl6 110.688 F7 C2 F8 109.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.686      
2 C 0.377      
3 H 0.342      
4 H 0.242      
5 Cl 0.092      
6 Cl 0.092      
7 F -0.229      
8 F -0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.062 0.579 0.000 0.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.849 -0.899 0.000
y -0.899 -50.999 0.000
z 0.000 0.000 -50.978
Traceless
 xyz
x 7.139 -0.899 0.000
y -0.899 -3.586 0.000
z 0.000 0.000 -3.553
Polar
3z2-r2-7.107
x2-y27.150
xy-0.899
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.712 0.291 0.000
y 0.291 5.496 0.000
z 0.000 0.000 8.021


<r2> (average value of r2) Å2
<r2> 254.177
(<r2>)1/2 15.943