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 CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: B2PLYP=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-1196.926068
Energy at 298.15K-1196.929546
HF Energy-1196.629119
Nuclear repulsion energy375.015797
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 B2PLYP=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3175 3175 0.00      
2 Ag 1433 1433 0.00      
3 Ag 1350 1350 0.00      
4 Ag 1148 1148 0.00      
5 Ag 1107 1107 0.00      
6 Ag 838 838 0.00      
7 Ag 522 522 0.00      
8 Ag 375 375 0.00      
9 Ag 273 273 0.00      
10 Au 3185 3185 14.61      
11 Au 1353 1353 31.15      
12 Au 1266 1266 41.37      
13 Au 1153 1153 238.47      
14 Au 780 780 225.00      
15 Au 401 401 2.86      
16 Au 372 372 30.26      
17 Au 174 174 1.48      
18 Au 78 78 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 9490.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9490.8 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 B2PLYP=FULL/6-31G**
ABC
0.13404 0.04890 0.03701

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.762
C2 0.000 0.000 0.762
H3 1.014 0.000 -1.156
H4 -1.014 0.000 1.156
F5 -0.676 -1.097 -1.201
F6 0.676 1.097 1.201
Cl7 -0.819 1.471 -1.353
Cl8 0.819 -1.471 1.353

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52401.08832.16981.36122.34781.78482.7038
C21.52402.16981.08832.34781.36122.70381.7848
H31.08832.16983.07612.01582.62142.35902.9157
H42.16981.08833.07612.62142.01582.91572.3590
F51.36122.34782.01582.62143.52252.57662.9833
F62.34781.36122.62142.01583.52252.98332.5766
Cl71.78482.70382.35902.91572.57662.98334.3209
Cl82.70381.78482.91572.35902.98332.57664.3209

An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.