return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.824296
Energy at 298.15K-1195.827790
HF Energy-1194.812669
Nuclear repulsion energy376.919261
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 MP2=FULL/aug-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' 3184 3086 8.16      
2 A' 3167 3069 4.17      
3 A' 1407 1364 33.01      
4 A' 1242 1203 1.85      
5 A' 1151 1115 70.83      
6 A' 1067 1034 61.37      
7 A' 802 777 29.63      
8 A' 559 541 5.58      
9 A' 396 384 15.52      
10 A' 343 333 10.15      
11 A' 252 245 0.12      
12 A" 1350 1309 4.78      
13 A" 1232 1194 16.28      
14 A" 1100 1066 164.66      
15 A" 834 808 111.72      
16 A" 398 386 0.78      
17 A" 181 175 0.92      
18 A" 81 78 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 9372.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 9083.7 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 MP2=FULL/aug-cc-pVDZ
ABC
0.08224 0.06998 0.03917

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.415 -0.227 0.000
C2 -0.361 1.088 0.000
H3 1.500 -0.059 0.000
H4 -1.446 0.920 0.000
Cl5 -0.007 -1.142 1.469
Cl6 -0.007 -1.142 -1.469
F7 -0.007 1.822 1.103
F8 -0.007 1.822 -1.103

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.52691.09732.18591.78161.78162.36452.3645
C21.52692.18591.09732.69352.69351.37111.3711
H31.09732.18593.10372.36692.36692.65022.6502
H42.18591.09733.10372.91162.91162.02432.0243
Cl51.78162.69352.36692.91162.93872.98573.9238
Cl61.78162.69352.36692.91162.93873.92382.9857
F72.36451.37112.65022.02432.98573.92382.2058
F82.36451.37112.65022.02433.92382.98572.2058

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 111.763 C1 C2 F7 109.238
C1 C2 F8 109.238 C2 C1 H3 111.763
C2 C1 Cl5 108.751 C2 C1 Cl6 108.751
H3 C1 Cl5 108.238 H3 C1 Cl6 108.238
H4 C2 F7 109.692 H4 C2 F8 109.692
Cl5 C1 Cl6 111.118 F7 C2 F8 107.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability