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

using model chemistry: MP2/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-90.074486
Energy at 298.15K-90.077966
HF Energy-89.239679
Nuclear repulsion energy135.981360
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/CEP-31G*
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' 3207 3045 25.56      
2 A' 3195 3033 2.84      
3 A' 1449 1376 42.24      
4 A' 1270 1206 1.31      
5 A' 1153 1095 100.32      
6 A' 1086 1031 55.41      
7 A' 814 773 32.92      
8 A' 568 539 7.46      
9 A' 399 379 18.17      
10 A' 347 329 11.76      
11 A' 252 240 0.29      
12 A" 1388 1318 12.69      
13 A" 1270 1205 21.00      
14 A" 1136 1078 178.70      
15 A" 863 819 126.38      
16 A" 397 377 0.77      
17 A" 181 172 1.52      
18 A" 77 73 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 9526.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9044.1 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/CEP-31G*
ABC
0.08143 0.06918 0.03875

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.413 -0.237 0.000
C2 -0.365 1.102 0.000
H3 1.502 -0.071 0.000
H4 -1.453 0.936 0.000
Cl5 -0.007 -1.148 1.479
Cl6 -0.007 -1.148 -1.479
F7 -0.007 1.831 1.104
F8 -0.007 1.831 -1.104

Atom - Atom Distances (Å)
  C1 C2 H3 H4 Cl5 Cl6 F7 F8
C11.54841.10092.20431.78661.78662.38142.3814
C21.54842.20431.10092.71562.71561.37091.3709
H31.10092.20433.12162.37072.37072.66662.6666
H42.20431.10093.12162.93592.93592.02812.0281
Cl51.78662.71562.37072.93592.95703.00203.9424
Cl61.78662.71562.37072.93592.95703.94243.0020
F72.38141.37092.66662.02813.00203.94242.2086
F82.38141.37092.66662.02813.94243.00202.2086

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 111.501 C1 C2 F7 109.172
C1 C2 F8 109.172 C2 C1 H3 111.501
C2 C1 Cl5 108.822 C2 C1 Cl6 108.822
H3 C1 Cl5 108.012 H3 C1 Cl6 108.012
H4 C2 F7 109.788 H4 C2 F8 109.788
Cl5 C1 Cl6 111.694 F7 C2 F8 107.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability