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

using model chemistry: MP2/6-31G**

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 MP2/6-31G**
 hartrees
Energy at 0K-376.573328
Energy at 298.15K 
HF Energy-375.788978
Nuclear repulsion energy190.574079
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**
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 3237 3031 28.00 35.91 0.72 0.84
2 A 3195 2992 31.53 82.11 0.31 0.48
3 A 3160 2959 16.78 89.08 0.09 0.17
4 A 1566 1466 3.11 8.81 0.74 0.85
5 A 1516 1420 16.17 2.51 0.62 0.77
6 A 1464 1371 27.85 4.61 0.74 0.85
7 A 1388 1300 28.28 3.05 0.74 0.85
8 A 1296 1214 9.75 9.03 0.73 0.84
9 A 1204 1127 89.51 5.27 0.74 0.85
10 A 1182 1107 18.75 2.18 0.46 0.63
11 A 1158 1085 177.32 1.61 0.42 0.59
12 A 1130 1058 32.32 6.16 0.47 0.64
13 A 944 884 33.25 5.23 0.32 0.49
14 A 578 541 4.59 1.77 0.38 0.55
15 A 489 458 19.01 0.75 0.72 0.84
16 A 430 402 6.06 1.42 0.53 0.70
17 A 242 227 8.46 0.04 0.53 0.70
18 A 128 120 7.34 0.01 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 12152.8 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 11381.1 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**
ABC
0.30107 0.12205 0.09370

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.756 -0.614 -0.274
C2 0.466 0.022 0.334
F3 -1.873 0.097 0.143
F4 1.551 -0.740 -0.014
F5 0.637 1.274 -0.182
H6 -0.676 -0.571 -1.359
H7 -0.839 -1.648 0.056
H8 0.418 0.100 1.420

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50631.38762.32592.34821.08911.08902.1808
C21.50632.34881.37101.36512.12672.13821.0894
F31.38762.34883.52912.79222.03342.03042.6234
F42.32591.37103.52912.21822.60732.55802.0113
F52.34821.36512.79222.21822.55193.28271.9986
H61.08912.12672.03342.60732.55191.78543.0606
H71.08902.13822.03042.55803.28271.78542.5489
H82.18081.08942.62342.01131.99863.06062.5489

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 107.779 C1 C2 F5 109.632
C1 C2 H8 113.344 C2 C1 F3 108.446
C2 C1 H6 108.998 C2 C1 H7 109.911
F3 C1 H6 109.786 F3 C1 H7 109.552
F4 C2 F5 108.334 F4 C2 H8 109.127
F5 C2 H8 108.512 H6 C1 H7 110.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-376.570781
Energy at 298.15K 
HF Energy-375.785944
Nuclear repulsion energy193.590300
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**
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' 3166 2965 63.10 94.80 0.09 0.17
2 A' 3147 2947 8.30 63.85 0.28 0.44
3 A' 1563 1463 4.23 7.61 0.74 0.85
4 A' 1493 1398 27.77 2.97 0.54 0.70
5 A' 1471 1377 29.27 3.43 0.72 0.84
6 A' 1217 1140 99.48 5.94 0.44 0.61
7 A' 1135 1063 12.60 2.96 0.75 0.86
8 A' 917 859 37.29 7.12 0.16 0.27
9 A' 774 725 49.39 2.72 0.53 0.69
10 A' 510 478 12.25 1.50 0.75 0.86
11 A' 236 221 1.87 0.11 0.40 0.57
12 A" 3219 3014 23.33 49.09 0.75 0.86
13 A" 1458 1365 37.77 1.88 0.75 0.86
14 A" 1312 1228 14.66 15.52 0.75 0.86
15 A" 1189 1114 87.00 0.98 0.75 0.86
16 A" 1001 937 59.91 3.82 0.75 0.86
17 A" 380 355 0.12 0.15 0.75 0.86
18 A" 118 111 1.99 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12151.3 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 11379.7 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 MP2/6-31G**
ABC
0.24303 0.14226 0.11598

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.753 -0.821 0.000
C2 0.362 0.632 0.000
F3 -0.393 -1.599 0.000
F4 -0.393 0.906 1.106
F5 -0.393 0.906 -1.106
H6 1.340 -1.041 -0.892
H7 1.340 -1.041 0.892
H8 1.232 1.291 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50521.38402.34952.34951.09011.09012.1663
C21.50522.35481.36671.36672.13352.13351.0919
F31.38402.35482.73832.73832.02652.02653.3152
F42.34951.36672.73832.21253.28412.61522.0030
F52.34951.36672.73832.21252.61523.28412.0030
H61.09012.13352.02653.28412.61521.78362.4992
H71.09012.13352.02652.61523.28411.78362.4992
H82.16631.09193.31522.00302.00302.49922.4992

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 109.695 C1 C2 F5 109.695
C1 C2 H8 112.069 C2 C1 F3 109.114
C2 C1 H6 109.543 C2 C1 H7 109.543
F3 C1 H6 109.419 F3 C1 H7 109.419
F4 C2 F5 108.086 F4 C2 H8 108.601
F5 C2 H8 108.601 H6 C1 H7 109.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability