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

using model chemistry: CCSD(T)=FULL/6-31G*

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/6-31G*
 hartrees
Energy at 0K-376.607551
Energy at 298.15K 
HF Energy-375.783264
Nuclear repulsion energy190.384107
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/6-31G*
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 3061        
2 A 3124 3032        
3 A 3088 2998        
4 A 1551 1506        
5 A 1501 1457        
6 A 1453 1410        
7 A 1375 1334        
8 A 1282 1244        
9 A 1196 1161        
10 A 1173 1139        
11 A 1153 1119        
12 A 1118 1085        
13 A 939 911        
14 A 576 559        
15 A 486 472        
16 A 428 416        
17 A 242 234        
18 A 127 123        

Unscaled Zero Point Vibrational Energy (zpe) 11981.4 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 11630.3 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/6-31G*
ABC
0.30079 0.12181 0.09366

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.758 -0.613 -0.278
C2 0.466 0.022 0.335
F3 -1.874 0.098 0.147
F4 1.552 -0.741 -0.011
F5 0.640 1.272 -0.184
H6 -0.680 -0.558 -1.371
H7 -0.846 -1.657 0.043
H8 0.415 0.101 1.427

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50931.38922.32902.34881.09651.09652.1898
C21.50932.34861.37101.36502.13532.15081.0959
F31.38922.34863.53012.79402.03882.03632.6227
F42.32901.37103.53012.21642.62002.56792.0169
F52.34881.36502.79402.21642.54953.29272.0040
H61.09652.13532.03882.62002.54951.79903.0759
H71.09652.15082.03632.56793.29271.79902.5687
H82.18981.09592.62272.01692.00403.07592.5687

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 107.827 C1 C2 F5 109.506
C1 C2 H8 113.450 C2 C1 F3 108.174
C2 C1 H6 109.030 C2 C1 H7 110.256
F3 C1 H6 109.653 F3 C1 H7 109.454
F4 C2 F5 108.210 F4 C2 H8 109.181
F5 C2 H8 108.546 H6 C1 H7 110.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-376.605024
Energy at 298.15K 
HF Energy-375.780200
Nuclear repulsion energy193.485333
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/6-31G*
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' 3093 3002        
2 A' 3074 2984        
3 A' 1549 1504        
4 A' 1476 1433        
5 A' 1457 1414        
6 A' 1209 1174        
7 A' 1126 1093        
8 A' 911 885        
9 A' 769 747        
10 A' 508 493        
11 A' 236 229        
12 A" 3134 3043        
13 A" 1449 1406        
14 A" 1297 1259        
15 A" 1185 1150        
16 A" 996 967        
17 A" 378 366        
18 A" 119 116        

Unscaled Zero Point Vibrational Energy (zpe) 11983.2 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 11632.1 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/6-31G*
ABC
0.24270 0.14236 0.11621

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.756 -0.822 0.000
C2 0.363 0.634 0.000
F3 -0.394 -1.595 0.000
F4 -0.394 0.904 1.105
F5 -0.394 0.904 -1.105
H6 1.344 -1.049 -0.899
H7 1.344 -1.049 0.899
H8 1.234 1.303 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50841.38542.35072.35071.09761.09762.1783
C21.50842.35371.36641.36642.14532.14531.0988
F31.38542.35372.73302.73302.03142.03143.3239
F42.35071.36642.73302.21083.29422.62262.0077
F52.35071.36642.73302.21082.62263.29422.0077
H61.09762.14532.03143.29422.62261.79752.5199
H71.09762.14532.03142.62263.29421.79752.5199
H82.17831.09883.32392.00772.00772.51992.5199

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 109.606 C1 C2 F5 109.606
C1 C2 H8 112.386 C2 C1 F3 108.777
C2 C1 H6 109.810 C2 C1 H7 109.810
F3 C1 H6 109.243 F3 C1 H7 109.243
F4 C2 F5 107.988 F4 C2 H8 108.573
F5 C2 H8 108.573 H6 C1 H7 109.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability