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

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description

Conformer 1 (C1)

Jump to S1C2
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.242185
HF Energy-0.242185
Nuclear repulsion energy149.069455
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 PM3
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 3025 2947 4.60 89.85 0.15 0.26
2 A 2987 2909 5.29 69.04 0.75 0.86
3 A 2859 2784 2.30 95.61 0.35 0.52
4 A 1564 1524 46.25 2.12 0.72 0.84
5 A 1519 1480 94.66 1.28 0.75 0.86
6 A 1466 1428 76.76 5.91 0.69 0.82
7 A 1338 1304 6.10 29.16 0.75 0.86
8 A 1150 1120 5.13 12.36 0.66 0.79
9 A 1113 1084 12.48 16.14 0.69 0.82
10 A 1072 1044 4.51 25.69 0.67 0.80
11 A 1032 1006 1.44 15.93 0.75 0.86
12 A 1008 981 2.07 10.60 0.42 0.60
13 A 914 890 2.77 6.80 0.41 0.59
14 A 575 560 10.99 1.32 0.57 0.73
15 A 522 508 19.08 1.67 0.75 0.86
16 A 443 432 5.55 2.22 0.65 0.79
17 A 289 282 4.12 0.13 0.64 0.78
18 A 90 88 6.35 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11483.2 cm-1
Scaled (by 0.974) Zero Point Vibrational Energy (zpe) 11184.7 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 PM3
ABC
0.31704 0.11797 0.09214

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.838 -0.635 -0.200
C2 0.487 -0.009 0.345
F3 -1.880 0.178 0.092
F4 1.568 -0.716 -0.061
F5 0.694 1.223 -0.175
H6 -0.809 -0.761 -1.295
H7 -1.022 -1.612 0.271
H8 0.495 0.066 1.452

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.56321.35362.41112.40801.10191.10102.2353
C21.56322.38781.35401.35312.22152.20341.1096
F31.35362.38783.56532.79141.98771.99292.7391
F42.41111.35403.56532.12962.67892.76132.0128
F52.40801.35312.79142.12962.73003.34452.0065
H61.10192.22151.98772.67892.73001.79473.1511
H71.10102.20341.99292.76133.34451.79472.5521
H82.23531.10962.73912.01282.00653.15112.5521

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 111.283 C1 C2 F5 111.120
C1 C2 H8 112.401 C2 C1 F3 109.689
C2 C1 H6 111.763 C2 C1 H7 110.388
F3 C1 H6 107.652 F3 C1 H7 108.130
F4 C2 F5 103.751 F4 C2 H8 109.176
F5 C2 H8 108.727 H6 C1 H7 109.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.244094
HF Energy-0.244094
Nuclear repulsion energy150.276623
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 PM3
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' 3023 2944 4.31 90.42 0.14 0.25
2 A' 2859 2785 1.87 86.70 0.36 0.53
3 A' 1529 1489 29.60 0.92 0.67 0.80
4 A' 1461 1423 72.99 5.75 0.68 0.81
5 A' 1337 1303 2.67 26.13 0.75 0.86
6 A' 1156 1126 11.68 17.76 0.56 0.71
7 A' 1099 1070 5.40 10.25 0.66 0.80
8 A' 947 922 2.42 17.53 0.40 0.58
9 A' 734 715 31.49 3.12 0.73 0.84
10 A' 521 507 16.86 2.15 0.75 0.86
11 A' 296 288 2.28 0.21 0.47 0.64
12 A" 2988 2911 4.49 71.87 0.75 0.86
13 A" 1549 1508 110.51 2.24 0.75 0.86
14 A" 1046 1019 0.84 31.01 0.75 0.86
15 A" 1029 1002 1.75 6.38 0.75 0.86
16 A" 932 908 3.48 3.66 0.75 0.86
17 A" 393 383 0.00 0.86 0.75 0.86
18 A" 109 107 1.93 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11503.4 cm-1
Scaled (by 0.974) Zero Point Vibrational Energy (zpe) 11204.3 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 PM3
ABC
0.25713 0.13432 0.11318

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.736 -0.885 0.000
C2 0.381 0.632 0.000
F3 -0.393 -1.629 0.000
F4 -0.393 0.956 1.062
F5 -0.393 0.956 -1.062
H6 1.315 -1.149 -0.899
H7 1.315 -1.149 0.899
H8 1.288 1.269 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.55731.35282.40672.40671.10121.10122.2230
C21.55732.38951.35371.35372.20232.20231.1091
F31.35282.38952.79492.79491.98891.98893.3504
F42.40671.35372.79492.12443.34572.71552.0135
F52.40671.35372.79492.12442.71553.34572.0135
H61.10122.20231.98893.34572.71551.79822.5793
H71.10122.20231.98892.71553.34571.79822.5793
H82.22301.10913.35042.01352.01352.57932.5793

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 111.344 C1 C2 F5 111.344
C1 C2 H8 111.865 C2 C1 F3 110.193
C2 C1 H6 110.697 C2 C1 H7 110.697
F3 C1 H6 107.847 F3 C1 H7 107.847
F4 C2 F5 103.373 F4 C2 H8 109.283
F5 C2 H8 109.283 H6 C1 H7 109.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability