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All results from a given calculation for CH3CHF2 (Ethane, 1,1-difluoro-)

using model chemistry: MP2/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/daug-cc-pVDZ
 hartrees
Energy at 0K-277.687206
Energy at 298.15K 
HF Energy-276.982687
Nuclear repulsion energy131.092468
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/daug-cc-pVDZ
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' 3198 3198 11.71 29.64 0.67 0.80
2 A' 3150 3150 26.33 104.88 0.24 0.39
3 A' 3086 3086 2.39 155.36 0.01 0.01
4 A' 1477 1477 5.87 4.42 0.75 0.86
5 A' 1435 1435 68.12 0.81 0.31 0.47
6 A' 1376 1376 0.56 0.53 0.56 0.72
7 A' 1162 1162 35.90 3.07 0.31 0.47
8 A' 1142 1142 81.72 3.58 0.28 0.44
9 A' 870 870 12.12 7.41 0.09 0.17
10 A' 555 555 6.07 1.03 0.23 0.37
11 A' 457 457 12.52 0.87 0.64 0.78
12 A" 3192 3192 6.91 45.62 0.75 0.86
13 A" 1477 1477 0.71 3.11 0.75 0.86
14 A" 1374 1374 15.30 3.64 0.75 0.86
15 A" 1129 1129 144.74 2.15 0.75 0.86
16 A" 937 937 80.64 2.68 0.75 0.86
17 A" 379 379 0.20 0.39 0.75 0.86
18 A" 238 238 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13317.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13317.6 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/daug-cc-pVDZ
ABC
0.30881 0.29562 0.16948

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.323 0.173 0.000
C2 -0.905 1.043 0.000
H3 1.278 0.718 0.000
F4 0.323 -0.654 1.111
F5 0.323 -0.654 -1.111
H6 -1.801 0.407 0.000
H7 -0.904 1.679 0.896
H8 -0.904 1.679 -0.896

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50561.09901.38491.38492.13712.13952.1395
C21.50562.20712.37142.37141.09821.09861.0986
H31.09902.20712.00682.00683.09422.54672.5467
F41.38492.37142.00682.22192.62162.64493.3130
F51.38492.37142.00682.22192.62163.31302.6449
H62.13711.09823.09422.62162.62161.79561.7956
H72.13951.09862.54672.64493.31301.79561.7916
H82.13951.09862.54673.31302.64491.79561.7916

picture of Ethane, 1,1-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.325 C1 C2 H7 109.486
C1 C2 H8 109.486 C2 C1 H3 114.958
C2 C1 F4 110.182 C2 C1 F5 110.182
H3 C1 F4 107.228 H3 C1 F5 107.228
F4 C1 F5 106.685 H6 C2 H7 109.638
H6 C2 H8 109.638 H7 C2 H8 109.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability