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

using model chemistry: CCSD/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/6-31G*
 hartrees
Energy at 0K-376.573478
Energy at 298.15K 
HF Energy-375.783607
Nuclear repulsion energy190.541460
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/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 3174 2998 33.76      
2 A 3148 2973 23.57      
3 A 3110 2936 16.04      
4 A 1560 1473 3.49      
5 A 1515 1430 16.57      
6 A 1464 1382 30.23      
7 A 1385 1308 26.72      
8 A 1290 1218 12.66      
9 A 1209 1142 96.76      
10 A 1183 1117 29.63      
11 A 1166 1101 150.42      
12 A 1132 1069 44.21      
13 A 947 894 32.10      
14 A 581 549 4.81      
15 A 490 463 20.30      
16 A 432 408 6.33      
17 A 244 231 8.99      
18 A 126 119 7.97      

Unscaled Zero Point Vibrational Energy (zpe) 12077.8 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 11405.0 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 CCSD/6-31G*
ABC
0.30136 0.12195 0.09376

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.759 -0.612 -0.277
C2 0.466 0.022 0.334
F3 -1.873 0.100 0.146
F4 1.549 -0.742 -0.011
F5 0.643 1.270 -0.184
H6 -0.683 -0.562 -1.369
H7 -0.848 -1.654 0.048
H8 0.416 0.101 1.424

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50891.38762.32742.34891.09511.09502.1875
C21.50892.34761.36931.36342.13542.14841.0942
F31.38762.34763.52742.79402.03632.03342.6216
F42.32741.36933.52742.21332.61872.56572.0138
F52.34891.36342.79402.21332.55303.29042.0012
H61.09512.13542.03632.61872.55301.79623.0737
H71.09502.14842.03342.56573.29041.79622.5635
H82.18751.09422.62162.01382.00123.07372.5635

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 107.826 C1 C2 F5 109.625
C1 C2 H8 113.397 C2 C1 F3 108.217
C2 C1 H6 109.151 C2 C1 H7 110.181
F3 C1 H6 109.645 F3 C1 H7 109.412
F4 C2 F5 108.179 F4 C2 H8 109.149
F5 C2 H8 108.542 H6 C1 H7 110.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-376.570846
Energy at 298.15K 
HF Energy-375.780557
Nuclear repulsion energy193.583267
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/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' 3120 2946 57.37      
2 A' 3097 2924 9.28      
3 A' 1558 1471 4.70      
4 A' 1490 1407 31.57      
5 A' 1469 1387 23.22      
6 A' 1223 1155 101.93      
7 A' 1139 1076 13.53      
8 A' 919 867 37.66      
9 A' 776 732 51.80      
10 A' 513 485 13.31      
11 A' 238 225 1.89      
12 A" 3156 2980 24.29      
13 A" 1460 1379 40.26      
14 A" 1307 1234 18.46      
15 A" 1198 1131 86.28      
16 A" 1005 949 54.83      
17 A" 379 358 0.15      
18 A" 118 111 2.19      

Unscaled Zero Point Vibrational Energy (zpe) 12080.8 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 11407.9 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/6-31G*
ABC
0.24351 0.14215 0.11610

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.754 -0.823 0.000
C2 0.362 0.633 0.000
F3 -0.393 -1.597 0.000
F4 -0.393 0.906 1.104
F5 -0.393 0.906 -1.104
H6 1.342 -1.049 -0.897
H7 1.342 -1.049 0.897
H8 1.233 1.299 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50821.38392.35072.35071.09611.09612.1753
C21.50822.35461.36481.36482.14362.14361.0968
F31.38392.35462.73632.73632.02862.02863.3214
F42.35071.36482.73632.20763.29202.62212.0044
F52.35071.36482.73632.20762.62213.29202.0044
H61.09612.14362.02863.29202.62211.79482.5156
H71.09612.14362.02862.62213.29201.79482.5156
H82.17531.09683.32142.00442.00442.51562.5156

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 109.711 C1 C2 F5 109.711
C1 C2 H8 112.274 C2 C1 F3 108.931
C2 C1 H6 109.778 C2 C1 H7 109.778
F3 C1 H6 109.213 F3 C1 H7 109.213
F4 C2 F5 107.957 F4 C2 H8 108.541
F5 C2 H8 108.541 H6 C1 H7 109.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability