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

using model chemistry: CCD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-1196.175423
Energy at 298.15K-1196.178984
HF Energy-1194.910532
Nuclear repulsion energy377.111862
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 CCD/aug-cc-pVTZ
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 3156 3021 0.00      
2 Ag 1442 1380 0.00      
3 Ag 1345 1287 0.00      
4 Ag 1170 1120 0.00      
5 Ag 1119 1071 0.00      
6 Ag 862 825 0.00      
7 Ag 530 508 0.00      
8 Ag 385 369 0.00      
9 Ag 275 263 0.00      
10 Au 3168 3032 7.12      
11 Au 1355 1297 17.45      
12 Au 1266 1212 34.48      
13 Au 1167 1117 235.32      
14 Au 813 778 187.57      
15 Au 412 394 4.04      
16 Au 377 361 25.76      
17 Au 175 167 0.75      
18 Au 75 72 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 9546.2 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 9135.7 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 CCD/aug-cc-pVTZ
ABC
0.13547 0.04943 0.03742

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.761
C2 0.000 0.000 0.761
H3 1.013 0.000 -1.154
H4 -1.013 0.000 1.154
F5 -0.663 -1.095 -1.199
F6 0.663 1.095 1.199
Cl7 -0.825 1.450 -1.351
Cl8 0.825 -1.450 1.351

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52261.08662.16711.35292.34141.76982.6921
C21.52262.16711.08662.34141.35292.69211.7698
H31.08662.16713.07172.00232.61952.34952.9014
H42.16711.08663.07172.61952.00232.90142.3495
F51.35292.34142.00232.61953.50812.55502.9742
F62.34141.35292.61952.00233.50812.97422.5550
Cl71.76982.69212.34952.90142.55502.97424.2943
Cl82.69211.76982.90142.34952.97422.55504.2943

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 111.214 C1 C2 F6 108.886
C1 C2 Cl8 109.477 C2 C1 H3 111.214
C2 C1 F5 108.886 C2 C1 Cl7 109.477
H3 C1 F5 109.852 H3 C1 Cl7 108.295
H4 C2 F6 109.852 H4 C2 Cl8 108.295
F5 C1 Cl7 109.086 F6 C2 Cl8 109.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability