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All results from a given calculation for CH2FCH2Cl (Ethane, 1-chloro-2-fluoro-)

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 CS 1A'
1 2 no C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-637.534705
Energy at 298.15K-637.539658
HF Energy-636.975611
Nuclear repulsion energy157.125674
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' 3172 2991 13.51      
2 A' 3137 2958 17.93      
3 A' 1589 1499 0.53      
4 A' 1556 1468 5.73      
5 A' 1475 1391 4.92      
6 A' 1341 1265 15.94      
7 A' 1122 1058 16.93      
8 A' 1099 1036 80.81      
9 A' 827 780 40.54      
10 A' 393 371 2.33      
11 A' 249 235 12.28      
12 A" 3245 3060 8.33      
13 A" 3202 3020 18.70      
14 A" 1343 1266 0.02      
15 A" 1257 1185 0.88      
16 A" 1120 1056 3.15      
17 A" 823 776 0.57      
18 A" 142 134 9.94      

Unscaled Zero Point Vibrational Energy (zpe) 13545.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 12773.7 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
1.00736 0.07985 0.07612

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 0.000 0.605 0.000
C2 0.984 -0.546 0.000
Cl3 -1.665 -0.029 0.000
F4 2.267 0.004 0.000
H5 0.135 1.221 0.889
H6 0.135 1.221 -0.889
H7 0.866 -1.166 0.893
H8 0.866 -1.166 -0.893

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.51401.78162.34531.08991.08992.16362.1636
C21.51402.69881.39602.15232.15231.09291.0929
Cl31.78162.69883.93222.36462.36462.91452.9145
F42.34531.39603.93222.61112.61112.03142.0314
H51.08992.15232.36462.61111.77842.49583.0665
H61.08992.15232.36462.61111.77843.06652.4958
H72.16361.09292.91452.03142.49583.06651.7850
H82.16361.09292.91452.03143.06652.49581.7850

picture of Ethane, 1-chloro-2-fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 107.331 C1 C2 H7 111.159
C1 C2 H8 111.159 C2 C1 Cl3 109.679
C2 C1 H5 110.434 C2 C1 H6 110.434
Cl3 C1 H5 108.450 Cl3 C1 H6 108.450
F4 C2 H7 108.803 F4 C2 H8 108.803
H5 C1 H6 109.343 H7 C2 H8 109.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-637.533924
Energy at 298.15K-637.538989
HF Energy-636.974326
Nuclear repulsion energy161.543556
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 3229 3045 5.67      
2 A 3188 3007 22.71      
3 A 3156 2976 12.35      
4 A 3116 2939 25.80      
5 A 1572 1483 1.22      
6 A 1532 1444 9.55      
7 A 1475 1391 17.51      
8 A 1399 1320 27.94      
9 A 1312 1237 0.73      
10 A 1263 1191 1.27      
11 A 1150 1085 39.20      
12 A 1113 1050 33.70      
13 A 1019 960 5.13      
14 A 890 840 8.44      
15 A 732 690 24.58      
16 A 478 451 12.72      
17 A 295 278 0.90      
18 A 143 135 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 13530.9 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 12759.7 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
0.44623 0.11162 0.09696

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 -0.091 0.849 -0.295
C2 1.200 0.423 0.358
Cl3 -1.415 -0.285 0.066
F4 1.636 -0.774 -0.201
H5 -0.386 1.837 0.066
H6 0.033 0.882 -1.378
H7 1.966 1.186 0.180
H8 1.071 0.277 1.434

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.50851.78062.37221.09211.09062.13782.1606
C21.50852.72511.39112.14462.14181.09581.0930
Cl31.78062.72513.10222.35882.35513.68902.8932
F42.37221.39113.10223.31292.58802.02332.0240
H51.09212.14462.35883.31291.78072.44252.5354
H61.09062.14182.35512.58801.78072.50103.0580
H72.13781.09583.68902.02332.44252.50101.7884
H82.16061.09302.89322.02402.53543.05801.7884

picture of Ethane, 1-chloro-2-fluoro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 109.728 C1 C2 H7 109.320
C1 C2 H8 111.300 C2 C1 Cl3 111.626
C2 C1 H5 110.081 C2 C1 H6 109.945
Cl3 C1 H5 107.986 Cl3 C1 H6 107.789
F4 C2 H7 108.316 F4 C2 H8 108.537
H5 C1 H6 109.347 H7 C2 H8 109.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability