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

using model chemistry: MP4=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-1195.779587
Energy at 298.15K-1195.783043
HF Energy-1194.777318
Nuclear repulsion energy373.718472
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 MP4=FULL/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 Ag 3136 3027        
2 Ag 1405 1356        
3 Ag 1310 1265        
4 Ag 1143 1104        
5 Ag 1087 1049        
6 Ag 836 806        
7 Ag 514 497        
8 Ag 374 361        
9 Ag 272 262        
10 Au 3146 3037        
11 Au 1320 1274        
12 Au 1228 1185        
13 Au 1130 1090        
14 Au 783 756        
15 Au 400 386        
16 Au 364 352        
17 Au 172 166        
18 Au 73 70        

Unscaled Zero Point Vibrational Energy (zpe) 9347.5 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 9021.3 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 MP4=FULL/cc-pVDZ
ABC
0.13258 0.04869 0.03679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.766
C2 0.000 0.000 0.766
H3 1.030 0.000 -1.159
H4 -1.030 0.000 1.159
F5 -0.670 -1.104 -1.211
F6 0.670 1.104 1.211
Cl7 -0.821 1.474 -1.356
Cl8 0.821 -1.474 1.356

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53201.10232.18321.36602.36151.78752.7113
C21.53202.18321.10232.36151.36602.71131.7875
H31.10232.18323.10092.02772.63922.37432.9229
H42.18321.10233.10092.63922.02772.92292.3743
F51.36602.36152.02772.63923.54102.58642.9921
F62.36151.36602.63922.02773.54102.99212.5864
Cl71.78752.71132.37432.92292.58642.99214.3296
Cl82.71131.78752.92292.37432.99212.58644.3296

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 110.888 C1 C2 F6 109.018
C1 C2 Cl8 109.282 C2 C1 H3 110.888
C2 C1 F5 109.018 C2 C1 Cl7 109.282
H3 C1 F5 110.011 H3 C1 Cl7 108.144
H4 C2 F6 110.011 H4 C2 Cl8 108.144
F5 C1 Cl7 109.477 F6 C2 Cl8 109.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability