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

using model chemistry: CCSD(T)=FULL/TZVP

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)=FULL/TZVP
 hartrees
Energy at 0K-376.970385
Energy at 298.15K 
HF Energy-375.938336
Nuclear repulsion energy190.486491
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)=FULL/TZVP
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 3160 3021        
2 A 3127 2990        
3 A 3091 2955        
4 A 1521 1454        
5 A 1490 1425        
6 A 1440 1377        
7 A 1376 1315        
8 A 1291 1235        
9 A 1180 1128        
10 A 1156 1105        
11 A 1129 1080        
12 A 1102 1053        
13 A 922 881        
14 A 586 560        
15 A 484 463        
16 A 430 411        
17 A 247 236        
18 A 115 110        

Unscaled Zero Point Vibrational Energy (zpe) 11923.1 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 11398.5 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 CCSD(T)=FULL/TZVP
ABC
0.30290 0.12070 0.09315

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.776 -0.593 -0.283
C2 0.468 0.020 0.329
F3 -1.885 0.111 0.150
F4 1.535 -0.761 -0.008
F5 0.683 1.260 -0.182
H6 -0.714 -0.532 -1.371
H7 -0.865 -1.631 0.040
H8 0.418 0.099 1.416

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51561.38322.33332.36081.09141.09122.1890
C21.51562.36121.36441.35852.14282.14141.0912
F31.38322.36123.53282.83272.02482.02192.6278
F42.33331.36443.53282.20002.63962.55352.0039
F52.36081.35852.83272.20002.56533.28731.9925
H61.09142.14282.02482.63962.56531.79513.0738
H71.09122.14142.02192.55353.28731.79512.5560
H82.18901.09122.62782.00391.99253.07382.5560

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 108.112 C1 C2 F5 110.333
C1 C2 H8 113.223 C2 C1 F3 108.999
C2 C1 H6 109.483 C2 C1 H7 109.387
F3 C1 H6 109.251 F3 C1 H7 109.029
F4 C2 F5 107.792 F4 C2 H8 108.876
F5 C2 H8 108.359 H6 C1 H7 110.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-376.968095
Energy at 298.15K 
HF Energy-375.935791
Nuclear repulsion energy193.129919
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)=FULL/TZVP
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' 3099 2963        
2 A' 3078 2943        
3 A' 1518 1451        
4 A' 1465 1400        
5 A' 1439 1376        
6 A' 1202 1149        
7 A' 1118 1069        
8 A' 882 843        
9 A' 767 733        
10 A' 525 501        
11 A' 237 226        
12 A" 3142 3004        
13 A" 1431 1368        
14 A" 1305 1248        
15 A" 1163 1111        
16 A" 972 929        
17 A" 374 358        
18 A" 115 110        

Unscaled Zero Point Vibrational Energy (zpe) 11915.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 11391.2 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)=FULL/TZVP
ABC
0.24726 0.13852 0.11359

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.739 -0.836 0.000
C2 0.357 0.630 0.000
F3 -0.388 -1.629 0.000
F4 -0.388 0.930 1.098
F5 -0.388 0.930 -1.098
H6 1.326 -1.050 -0.896
H7 1.326 -1.050 0.896
H8 1.244 1.269 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51451.37822.36482.36481.09241.09242.1646
C21.51452.37861.36021.36022.13612.13611.0939
F31.37822.37862.78462.78462.01862.01863.3264
F42.36481.36022.78462.19633.29122.62571.9963
F52.36481.36022.78462.19632.62573.29121.9963
H61.09242.13612.01863.29122.62571.79282.4875
H71.09242.13612.01862.62573.29121.79282.4875
H82.16461.09393.32641.99631.99632.48752.4875

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 110.579 C1 C2 F5 110.579
C1 C2 H8 111.147 C2 C1 F3 110.535
C2 C1 H6 108.975 C2 C1 H7 108.975
F3 C1 H6 109.033 F3 C1 H7 109.033
F4 C2 F5 107.673 F4 C2 H8 108.376
F5 C2 H8 108.376 H6 C1 H7 110.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability