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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-376.281778
Energy at 298.15K 
HF Energy-375.760774
Nuclear repulsion energy182.789497
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/SDD
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 3222 3110 19.58 22.07 0.43 0.60
2 A 3208 3096 10.01 84.08 0.36 0.53
3 A 3126 3018 15.36 102.23 0.08 0.14
4 A 1529 1476 7.29 6.53 0.75 0.86
5 A 1442 1392 4.38 3.33 0.66 0.80
6 A 1388 1339 17.73 5.09 0.75 0.85
7 A 1322 1276 12.66 2.40 0.71 0.83
8 A 1225 1183 8.49 9.89 0.70 0.82
9 A 1142 1102 16.08 5.79 0.67 0.80
10 A 1090 1052 43.83 5.04 0.60 0.75
11 A 986 952 177.04 1.97 0.29 0.45
12 A 963 930 19.19 14.04 0.35 0.52
13 A 874 844 67.89 7.93 0.35 0.52
14 A 519 501 7.50 3.86 0.29 0.45
15 A 439 423 29.12 1.08 0.73 0.84
16 A 385 372 7.47 2.40 0.61 0.76
17 A 239 231 15.93 0.16 0.63 0.77
18 A 102 98 16.19 0.11 0.71 0.83

Unscaled Zero Point Vibrational Energy (zpe) 11600.2 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 11197.7 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 MP2/SDD
ABC
0.27344 0.11155 0.08614

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.778 -0.570 -0.368
C2 0.445 0.017 0.341
F3 -1.966 0.088 0.197
F4 1.578 -0.830 0.024
F5 0.748 1.322 -0.184
H6 -0.755 -0.358 -1.444
H7 -0.868 -1.644 -0.159
H8 0.372 0.101 1.430

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.53131.47132.40292.43841.09721.09752.2381
C21.53132.41681.44931.43922.18372.17561.0950
F31.47132.41683.66533.00602.08832.08182.6436
F42.40291.44933.66532.31582.79692.58452.0730
F52.43841.43923.00602.31582.58273.37802.0590
H61.09722.18372.08832.79692.58271.82173.1217
H71.09752.17562.08182.58453.37801.82172.6663
H82.23811.09502.64362.07302.05903.12172.6663

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 107.417 C1 C2 F5 110.308
C1 C2 H8 115.902 C2 C1 F3 107.184
C2 C1 H6 111.285 C2 C1 H7 110.626
F3 C1 H6 107.907 F3 C1 H7 107.384
F4 C2 F5 106.592 F4 C2 H8 108.320
F5 C2 H8 107.907 H6 C1 H7 112.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-376.277776
Energy at 298.15K 
HF Energy-375.756596
Nuclear repulsion energy185.683261
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/SDD
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' 3167 3057 38.36 86.90 0.16 0.28
2 A' 3110 3002 19.55 96.25 0.11 0.20
3 A' 1527 1474 7.67 6.62 0.75 0.86
4 A' 1436 1386 5.29 0.66 0.74 0.85
5 A' 1389 1341 18.59 5.80 0.75 0.86
6 A' 1126 1087 64.85 7.22 0.43 0.60
7 A' 993 959 9.45 3.87 0.75 0.86
8 A' 835 806 47.92 11.80 0.04 0.08
9 A' 694 670 61.15 5.03 0.58 0.74
10 A' 443 428 16.96 2.67 0.72 0.84
11 A' 227 219 2.94 0.44 0.57 0.73
12 A" 3194 3083 12.53 42.93 0.75 0.86
13 A" 1377 1330 19.21 1.85 0.75 0.86
14 A" 1238 1195 10.90 19.13 0.75 0.86
15 A" 1088 1051 46.18 0.19 0.75 0.86
16 A" 901 870 109.31 7.42 0.75 0.86
17 A" 349 337 0.22 0.49 0.75 0.86
18 A" 111 107 3.77 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11601.2 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 11198.6 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/SDD
ABC
0.22297 0.13044 0.10605

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.787 -0.838 0.000
C2 0.389 0.641 0.000
F3 -0.408 -1.681 0.000
F4 -0.408 0.952 1.159
F5 -0.408 0.952 -1.159
H6 1.355 -1.075 -0.910
H7 1.355 -1.075 0.910
H8 1.249 1.325 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.53121.46182.44402.44401.09921.09922.2118
C21.53122.45451.44031.44032.16902.16901.0987
F31.46182.45452.87652.87652.07492.07493.4321
F42.44401.44032.87652.31703.39062.69772.0557
F52.44401.44032.87652.31702.69773.39062.0557
H61.09922.16902.07493.39062.69771.82072.5687
H71.09922.16902.07492.69773.39061.82072.5687
H82.21181.09873.43212.05572.05572.56872.5687

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 110.636 C1 C2 F5 110.636
C1 C2 H8 113.477 C2 C1 F3 110.161
C2 C1 H6 110.006 C2 C1 H7 110.006
F3 C1 H6 107.382 F3 C1 H7 107.382
F4 C2 F5 107.100 F4 C2 H8 107.356
F5 C2 H8 107.356 H6 C1 H7 111.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability