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All results from a given calculation for CHF2CH2F (Ethane, 1,1,2-trifluoro)

using model chemistry: QCISD(T)/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
1 2 no Cs 1A'

Conformer 1 (C1)

Jump to S1C2
Energy calculated at QCISD(T)/Def2TZVPP
 hartrees
Energy at 0K-377.088694
Energy at 298.15K 
HF Energy-375.956645
Nuclear repulsion energy190.897298
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(T)/Def2TZVPP
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 3146 3146        
2 A 3114 3114        
3 A 3081 3081        
4 A 1503 1503        
5 A 1474 1474        
6 A 1415 1415        
7 A 1357 1357        
8 A 1279 1279        
9 A 1181 1181        
10 A 1147 1147        
11 A 1134 1134        
12 A 1106 1106        
13 A 918 918        
14 A 583 583        
15 A 477 477        
16 A 429 429        
17 A 242 242        
18 A 119 119        

Unscaled Zero Point Vibrational Energy (zpe) 11851.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11851.5 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(T)/Def2TZVPP
ABC
0.30396 0.12134 0.09363

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.774 -0.592 -0.282
C2 0.467 0.020 0.329
F3 -1.879 0.111 0.150
F4 1.532 -0.758 -0.008
F5 0.680 1.258 -0.182
H6 -0.709 -0.532 -1.369
H7 -0.863 -1.631 0.037
H8 0.417 0.102 1.415

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51321.37962.32792.35501.09021.09022.1865
C21.51322.35511.36131.35622.13852.14061.0898
F31.37962.35513.52372.82372.02232.01972.6214
F42.32791.36133.52372.19592.63152.54962.0023
F52.35501.35622.82372.19592.55753.28241.9891
H61.09022.13852.02232.63152.55751.79093.0691
H71.09022.14062.01972.54963.28241.79092.5576
H82.18651.08982.62142.00231.98913.06912.5576

picture of Ethane, 1,1,2-trifluoro state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 108.046 C1 C2 F5 110.197
C1 C2 H8 113.270 C2 C1 F3 108.915
C2 C1 H6 109.377 C2 C1 H7 109.542
F3 C1 H6 109.375 F3 C1 H7 109.162
F4 C2 F5 107.815 F4 C2 H8 109.046
F5 C2 H8 108.325 H6 C1 H7 110.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at QCISD(T)/Def2TZVPP
 hartrees
Energy at 0K-377.086618
Energy at 298.15K 
HF Energy-375.954402
Nuclear repulsion energy193.620822
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(T)/Def2TZVPP
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' 3088 3088        
2 A' 3068 3068        
3 A' 1499 1499        
4 A' 1451 1451        
5 A' 1429 1429        
6 A' 1204 1204        
7 A' 1121 1121        
8 A' 882 882        
9 A' 765 765        
10 A' 522 522        
11 A' 235 235        
12 A" 3128 3128        
13 A" 1406 1406        
14 A" 1295 1295        
15 A" 1161 1161        
16 A" 968 968        
17 A" 370 370        
18 A" 117 117        

Unscaled Zero Point Vibrational Energy (zpe) 11854.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11854.2 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(T)/Def2TZVPP
ABC
0.24814 0.13949 0.11441

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.739 -0.834 0.000
C2 0.357 0.629 0.000
F3 -0.388 -1.622 0.000
F4 -0.388 0.925 1.096
F5 -0.388 0.925 -1.096
H6 1.326 -1.049 -0.894
H7 1.326 -1.049 0.894
H8 1.242 1.270 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51231.37472.35852.35851.09121.09122.1630
C21.51232.37111.35721.35722.13472.13471.0924
F31.37472.37112.77242.77242.01572.01573.3191
F42.35851.35722.77242.19103.28542.62191.9936
F52.35851.35722.77242.19102.62193.28541.9936
H61.09122.13472.01573.28542.62191.78892.4872
H71.09122.13472.01572.62193.28541.78892.4872
H82.16301.09243.31911.99361.99362.48722.4872

picture of Ethane, 1,1,2-trifluoro state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 110.444 C1 C2 F5 110.444
C1 C2 H8 111.264 C2 C1 F3 110.341
C2 C1 H6 109.085 C2 C1 H7 109.085
F3 C1 H6 109.111 F3 C1 H7 109.111
F4 C2 F5 107.646 F4 C2 H8 108.468
F5 C2 H8 108.468 H6 C1 H7 110.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability