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

using model chemistry: MP2/6-31G(2df,p)

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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-376.791598
Energy at 298.15K 
HF Energy-375.807764
Nuclear repulsion energy192.033797
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3196 3019 20.47 35.27 0.71 0.83
2 A 3143 2969 30.13 67.90 0.32 0.49
3 A 3123 2949 13.05 92.07 0.09 0.16
4 A 1532 1447 3.03 6.70 0.73 0.85
5 A 1494 1412 16.90 2.13 0.61 0.76
6 A 1450 1369 21.85 3.36 0.74 0.85
7 A 1378 1301 19.91 2.40 0.74 0.85
8 A 1293 1221 12.67 6.81 0.72 0.83
9 A 1207 1140 94.57 4.01 0.68 0.81
10 A 1175 1110 146.05 2.21 0.73 0.84
11 A 1167 1102 42.46 1.56 0.31 0.47
12 A 1139 1076 26.90 5.07 0.35 0.52
13 A 936 884 24.44 4.72 0.29 0.44
14 A 588 555 3.75 1.62 0.32 0.49
15 A 481 455 15.14 0.59 0.72 0.83
16 A 433 409 5.54 1.19 0.49 0.66
17 A 236 223 7.05 0.03 0.56 0.72
18 A 126 119 6.42 0.01 0.69 0.81

Unscaled Zero Point Vibrational Energy (zpe) 12048.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 11379.8 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 MP2/6-31G(2df,p)
ABC
0.30732 0.12355 0.09510

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.763 -0.610 -0.267
C2 0.471 0.021 0.330
F3 -1.858 0.104 0.141
F4 1.539 -0.733 -0.015
F5 0.637 1.257 -0.182
H6 -0.682 -0.578 -1.356
H7 -0.848 -1.644 0.070
H8 0.421 0.099 1.420

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50951.36972.31902.33491.09221.09162.1794
C21.50952.33871.35251.34802.12922.14101.0930
F31.36972.33873.50252.76812.02262.02032.6135
F42.31901.35253.50252.19122.59882.55692.0005
F52.33491.34802.76812.19122.54663.26931.9884
H61.09222.12922.02262.59882.54661.78823.0626
H71.09162.14102.02032.55693.26931.78822.5443
H82.17941.09302.61352.00051.98843.06262.5443

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 108.120 C1 C2 F5 109.468
C1 C2 H8 112.759 C2 C1 F3 108.541
C2 C1 H6 108.787 C2 C1 H7 109.758
F3 C1 H6 109.969 F3 C1 H7 109.820
F4 C2 F5 108.461 F4 C2 H8 109.312
F5 C2 H8 108.635 H6 C1 H7 109.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-376.789837
Energy at 298.15K 
HF Energy-375.805432
Nuclear repulsion energy195.178706
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3124 2951 56.62 103.55 0.04 0.09
2 A' 3110 2937 5.12 48.66 0.49 0.66
3 A' 1528 1443 4.90 5.93 0.73 0.85
4 A' 1473 1391 26.65 2.13 0.43 0.61
5 A' 1449 1369 19.16 2.90 0.72 0.84
6 A' 1221 1154 102.93 4.91 0.35 0.52
7 A' 1144 1081 15.02 2.43 0.75 0.86
8 A' 908 858 26.78 7.17 0.16 0.28
9 A' 777 734 43.52 2.29 0.47 0.64
10 A' 525 496 11.10 1.19 0.75 0.85
11 A' 237 223 1.41 0.08 0.37 0.53
12 A" 3182 3005 17.26 45.01 0.75 0.86
13 A" 1446 1366 29.62 1.46 0.75 0.86
14 A" 1310 1237 18.21 11.74 0.75 0.86
15 A" 1191 1125 93.66 0.84 0.75 0.86
16 A" 990 935 43.50 2.92 0.75 0.86
17 A" 373 352 0.18 0.11 0.75 0.86
18 A" 121 114 1.71 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12053.8 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 11384.8 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 MP2/6-31G(2df,p)
ABC
0.24829 0.14422 0.11804

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.747 -0.824 0.000
C2 0.357 0.633 0.000
F3 -0.390 -1.583 0.000
F4 -0.390 0.899 1.092
F5 -0.390 0.899 -1.092
H6 1.337 -1.043 -0.893
H7 1.337 -1.043 0.893
H8 1.233 1.290 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50891.36682.33612.33611.09271.09272.1696
C21.50892.33841.34951.34952.13742.13741.0949
F31.36682.33842.71182.71182.01792.01793.2995
F42.33611.34952.71182.18383.27072.60681.9946
F52.33611.34952.71182.18382.60683.27071.9946
H61.09272.13742.01793.27072.60681.78692.5005
H71.09272.13742.01792.60683.27071.78692.5005
H82.16961.09493.29951.99461.99462.50052.5005

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 109.501 C1 C2 F5 109.501
C1 C2 H8 111.879 C2 C1 F3 108.709
C2 C1 H6 109.443 C2 C1 H7 109.443
F3 C1 H6 109.762 F3 C1 H7 109.762
F4 C2 F5 108.026 F4 C2 H8 108.926
F5 C2 H8 108.926 H6 C1 H7 109.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability