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

using model chemistry: MP2/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes Cs 1A'

Conformer 1 (C1)

Jump to S1C2
Vibrational Frequencies calculated at MP2/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-377.016609
Energy at 298.15K 
HF Energy-375.934045
Nuclear repulsion energy194.079906
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 MP2/cc-pVTZ
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' 3124 2966 52.18 115.31 0.07 0.13
2 A' 3106 2949 5.01 69.06 0.24 0.39
3 A' 1513 1437 7.35 4.25 0.75 0.86
4 A' 1463 1389 25.28 2.82 0.26 0.41
5 A' 1440 1368 18.31 1.78 0.68 0.81
6 A' 1215 1154 111.50 3.87 0.37 0.54
7 A' 1132 1075 22.06 2.83 0.75 0.86
8 A' 896 851 32.44 5.91 0.13 0.23
9 A' 773 734 49.16 2.36 0.52 0.69
10 A' 525 498 11.89 1.27 0.74 0.85
11 A' 237 225 1.78 0.17 0.45 0.62
12 A" 3175 3015 13.91 46.88 0.75 0.86
13 A" 1419 1347 25.63 1.11 0.75 0.86
14 A" 1306 1241 18.57 9.03 0.75 0.86
15 A" 1169 1110 109.21 1.21 0.75 0.86
16 A" 977 928 58.32 2.30 0.75 0.86
17 A" 375 356 0.19 0.22 0.75 0.86
18 A" 121 115 1.92 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11983.1 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 11378.0 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 MP2/cc-pVTZ
ABC
0.24842 0.14060 0.11507

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.737 -0.829 0.000
C2 0.355 0.628 0.000
F3 -0.387 -1.616 0.000
F4 -0.387 0.920 1.096
F5 -0.387 0.920 -1.096
H6 1.324 -1.042 -0.892
H7 1.324 -1.042 0.892
H8 1.239 1.267 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50551.37202.35012.35011.08871.08872.1551
C21.50552.36321.35551.35552.12602.12601.0905
F31.37202.36322.76292.76292.01322.01323.3098
F42.35011.35552.76292.19163.27522.61131.9908
F52.35011.35552.76292.19162.61133.27521.9908
H61.08872.12602.01323.27522.61131.78312.4763
H71.08872.12602.01322.61133.27521.78312.4763
H82.15511.09053.30981.99081.99082.47632.4763

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 110.345 C1 C2 F5 110.345
C1 C2 H8 111.228 C2 C1 F3 110.336
C2 C1 H6 109.013 C2 C1 H7 109.013
F3 C1 H6 109.258 F3 C1 H7 109.258
F4 C2 F5 107.880 F4 C2 H8 108.473
F5 C2 H8 108.473 H6 C1 H7 109.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability