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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-1195.813066
Energy at 298.15K-1195.816659
HF Energy-1194.844312
Nuclear repulsion energy376.889095
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 MP2/6-311G**
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 3179 3020 0.00      
2 Ag 1439 1367 0.00      
3 Ag 1372 1304 0.00      
4 Ag 1160 1103 0.00      
5 Ag 1111 1055 0.00      
6 Ag 875 831 0.00      
7 Ag 530 504 0.00      
8 Ag 389 370 0.00      
9 Ag 281 267 0.00      
10 Au 3189 3031 15.31      
11 Au 1366 1298 36.41      
12 Au 1285 1221 38.35      
13 Au 1145 1088 252.26      
14 Au 822 781 205.38      
15 Au 417 397 3.83      
16 Au 379 360 29.22      
17 Au 181 172 1.43      
18 Au 79 75 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9599.2 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 9121.1 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 MP2/6-311G**
ABC
0.13438 0.04960 0.03742

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

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 1.019 0.000 -1.147
H4 -1.019 0.000 1.147
F5 -0.655 -1.108 -1.202
F6 0.655 1.108 1.202
Cl7 -0.828 1.443 -1.353
Cl8 0.828 -1.443 1.353

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52391.08942.16421.36012.34781.76492.6902
C21.52392.16421.08942.34781.36012.69021.7649
H31.08942.16423.06902.00802.62262.35232.8926
H42.16421.08943.06902.62262.00802.89262.3523
F51.36012.34782.00802.62263.52152.56112.9720
F62.34781.36012.62262.00803.52152.97202.5611
Cl71.76492.69022.35232.89262.56112.97204.2875
Cl82.69021.76492.89262.35232.97202.56114.2875

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 110.713 C1 C2 F6 108.858
C1 C2 Cl8 109.549 C2 C1 H3 110.713
C2 C1 F5 108.858 C2 C1 Cl7 109.549
H3 C1 F5 109.629 H3 C1 Cl7 108.678
H4 C2 F6 109.629 H4 C2 Cl8 108.678
F5 C1 Cl7 109.397 F6 C2 Cl8 109.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability