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

using model chemistry: MP4=FULL/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.894715
Energy at 298.15K-1195.898110
HF Energy-1194.805867
Nuclear repulsion energy372.436783
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/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 Ag 3133 3055        
2 Ag 1379 1344        
3 Ag 1290 1258        
4 Ag 1129 1101        
5 Ag 1038 1012        
6 Ag 823 802        
7 Ag 504 491        
8 Ag 368 359        
9 Ag 267 260        
10 Au 3143 3065        
11 Au 1289 1257        
12 Au 1215 1185        
13 Au 1064 1038        
14 Au 777 757        
15 Au 394 384        
16 Au 361 352        
17 Au 168 164        
18 Au 70 69        

Unscaled Zero Point Vibrational Energy (zpe) 9205.4 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 8977.1 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 MP4=FULL/aug-cc-pVDZ
ABC
0.13116 0.04852 0.03661

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-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 1.020 0.000 -1.178
H4 -1.020 0.000 1.178
F5 -0.675 -1.126 -1.206
F6 0.675 1.126 1.206
Cl7 -0.855 1.453 -1.362
Cl8 0.855 -1.453 1.362

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53151.10022.19481.38492.36881.78812.7148
C21.53152.19481.10022.36881.38492.71481.7881
H31.10022.19483.11612.03562.65862.37952.9304
H42.19481.10023.11612.65862.03562.93042.3795
F51.38492.36882.03562.65863.56552.58993.0072
F62.36881.38492.65862.03563.56553.00722.5899
Cl71.78812.71482.37952.93042.58993.00724.3347
Cl82.71481.78812.93042.37953.00722.58994.3347

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 111.977 C1 C2 F6 108.527
C1 C2 Cl8 109.485 C2 C1 H3 111.977
C2 C1 F5 108.527 C2 C1 Cl7 109.485
H3 C1 F5 109.457 H3 C1 Cl7 108.588
H4 C2 F6 109.457 H4 C2 Cl8 108.588
F5 C1 Cl7 108.754 F6 C2 Cl8 108.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability