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

using model chemistry: CCSD(T)/6-31G(2df,p)

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 CCSD(T)/6-31G(2df,p)
 hartrees
Energy at 0K-376.849031
Energy at 298.15K 
HF Energy-375.807555
Nuclear repulsion energy191.767206
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 CCSD(T)/6-31G(2df,p)
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 3153 3153        
2 A 3107 3107        
3 A 3088 3088        
4 A 1524 1524        
5 A 1488 1488        
6 A 1444 1444        
7 A 1371 1371        
8 A 1286 1286        
9 A 1202 1202        
10 A 1172 1172        
11 A 1158 1158        
12 A 1132 1132        
13 A 929 929        
14 A 586 586        
15 A 477 477        
16 A 430 430        
17 A 234 234        
18 A 123 123        

Unscaled Zero Point Vibrational Energy (zpe) 11951.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11951.2 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 CCSD(T)/6-31G(2df,p)
ABC
0.30680 0.12308 0.09483

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.767 -0.609 -0.269
C2 0.472 0.021 0.331
F3 -1.861 0.107 0.143
F4 1.539 -0.735 -0.015
F5 0.643 1.256 -0.183
H6 -0.688 -0.575 -1.361
H7 -0.855 -1.647 0.067
H8 0.421 0.099 1.422

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51441.37092.32402.33991.09461.09412.1848
C21.51442.34261.35301.34892.13582.14771.0952
F31.37092.34263.50692.77462.02502.02292.6160
F42.32401.35303.50692.19082.60752.56342.0031
F52.33991.34892.77462.19082.55143.27621.9914
H61.09462.13582.02502.60752.55141.79283.0702
H71.09412.14772.02292.56343.27621.79282.5519
H82.18481.09522.61602.00311.99143.07022.5519

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 108.160 C1 C2 F5 109.484
C1 C2 H8 112.709 C2 C1 F3 108.465
C2 C1 H6 108.837 C2 C1 H7 109.797
F3 C1 H6 109.936 F3 C1 H7 109.790
F4 C2 F5 108.356 F4 C2 H8 109.355
F5 C2 H8 108.688 H6 C1 H7 109.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at CCSD(T)/6-31G(2df,p)
 hartrees
Energy at 0K-376.847212
Energy at 298.15K 
HF Energy-375.805206
Nuclear repulsion energy194.924056
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 CCSD(T)/6-31G(2df,p)
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' 3090 3090        
2 A' 3075 3075        
3 A' 1520 1520        
4 A' 1466 1466        
5 A' 1441 1441        
6 A' 1215 1215        
7 A' 1137 1137        
8 A' 900 900        
9 A' 772 772        
10 A' 523 523        
11 A' 235 235        
12 A" 3139 3139        
13 A" 1442 1442        
14 A" 1302 1302        
15 A" 1189 1189        
16 A" 987 987        
17 A" 370 370        
18 A" 119 119        

Unscaled Zero Point Vibrational Energy (zpe) 11959.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11959.2 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 CCSD(T)/6-31G(2df,p)
ABC
0.24794 0.14372 0.11774

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.749 -0.828 0.000
C2 0.357 0.635 0.000
F3 -0.391 -1.584 0.000
F4 -0.391 0.901 1.092
F5 -0.391 0.901 -1.092
H6 1.339 -1.048 -0.896
H7 1.339 -1.048 0.896
H8 1.234 1.294 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51411.36832.34102.34101.09511.09512.1761
C21.51412.34191.35001.35002.14462.14461.0970
F31.36832.34192.71482.71482.02042.02043.3052
F42.34101.35002.71482.18413.27772.61331.9967
F52.34101.35002.71482.18412.61333.27771.9967
H61.09512.14462.02043.27772.61331.79192.5096
H71.09512.14462.02042.61333.27771.79192.5096
H82.17611.09703.30521.99671.99672.50962.5096

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 109.504 C1 C2 F5 109.504
C1 C2 H8 111.908 C2 C1 F3 108.572
C2 C1 H6 109.512 C2 C1 H7 109.512
F3 C1 H6 109.711 F3 C1 H7 109.711
F4 C2 F5 107.982 F4 C2 H8 108.929
F5 C2 H8 108.929 H6 C1 H7 109.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability