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All results from a given calculation for CF2ClCFCl2 (Ethane, 1,1,2-trichloro-1,2,2-trifluoro-)

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-1745.163477
Energy at 298.15K-1745.165110
HF Energy-1744.177662
Nuclear repulsion energy694.285236
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 QCISD/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 1256 1207 100.02      
2 A 1203 1156 54.56      
3 A 1149 1104 111.93      
4 A 1044 1003 55.21      
5 A 880 845 152.64      
6 A 797 766 230.77      
7 A 623 598 12.80      
8 A 512 492 5.11      
9 A 443 425 3.24      
10 A 421 405 0.89      
11 A 377 362 1.59      
12 A 341 327 1.26      
13 A 304 292 0.67      
14 A 286 275 0.25      
15 A 247 237 0.22      
16 A 198 190 2.61      
17 A 168 162 1.69      
18 A 65 62 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 5155.6 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 4955.0 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 QCISD/3-21G*
ABC
0.05122 0.03576 0.02967

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.566 0.147 0.314
C2 -0.721 -0.503 -0.267
F3 0.400 0.251 1.692
Cl4 1.964 -0.906 -0.027
Cl5 0.807 1.761 -0.387
Cl6 -2.171 0.354 0.286
F7 -0.649 -0.485 -1.641
F8 -0.782 -1.813 0.161

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 Cl5 Cl6 F7 F8
C11.55501.39171.78301.77582.74542.38692.3843
C21.55502.38012.72622.73381.77281.37581.3798
F31.39172.38012.59632.60072.93243.57072.8293
Cl41.78302.72622.59632.92944.33443.10012.8988
Cl51.77582.73382.60072.92943.36122.95523.9496
Cl62.74541.77282.93244.33443.36122.59482.5772
F72.38691.37583.57073.10012.95522.59482.2429
F82.38431.37982.82932.89883.94962.57722.2429

picture of Ethane, 1,1,2-trichloro-1,2,2-trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 111.006 C1 C2 F7 108.908
C1 C2 F8 108.519 C2 C1 F3 107.615
C2 C1 Cl4 109.323 C2 C1 Cl5 110.145
F3 C1 Cl4 109.107 F3 C1 Cl5 109.786
Cl4 C1 Cl5 110.799 Cl6 C2 F7 110.367
Cl6 C2 F8 109.028 F7 C2 F8 108.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability