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

using model chemistry: MP2=FULL/daug-cc-pVTZ

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=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-277.996023
Energy at 298.15K 
HF Energy-277.059795
Nuclear repulsion energy132.858014
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=FULL/daug-cc-pVTZ
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' 3199 3199 8.02 30.36 0.66 0.79
2 A' 3139 3139 27.70 101.21 0.23 0.37
3 A' 3107 3107 1.58 149.05 0.01 0.01
4 A' 1517 1517 5.30 4.01 0.75 0.86
5 A' 1464 1464 71.14 0.87 0.31 0.47
6 A' 1413 1413 0.49 0.39 0.61 0.76
7 A' 1178 1178 26.71 2.96 0.02 0.04
8 A' 1173 1173 97.66 3.15 0.73 0.85
9 A' 894 894 8.09 6.77 0.10 0.18
10 A' 573 573 5.55 0.87 0.25 0.40
11 A' 474 474 12.59 0.80 0.60 0.75
12 A" 3197 3197 4.57 42.72 0.75 0.86
13 A" 1513 1513 0.78 2.85 0.75 0.86
14 A" 1406 1406 19.13 3.43 0.75 0.86
15 A" 1166 1166 151.63 2.10 0.75 0.86
16 A" 968 968 68.08 2.19 0.75 0.86
17 A" 390 390 0.22 0.36 0.75 0.86
18 A" 238 238 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13503.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13503.9 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=FULL/daug-cc-pVTZ
ABC
0.31775 0.30301 0.17411

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.169 0.000
C2 -0.898 1.028 0.000
H3 1.260 0.717 0.000
F4 0.321 -0.644 1.095
F5 0.321 -0.644 -1.095
H6 -1.777 0.391 0.000
H7 -0.904 1.655 0.885
H8 -0.904 1.655 -0.885

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49181.08721.36361.36362.11032.11992.1199
C21.49182.18092.34122.34121.08531.08501.0850
H31.08722.18091.98321.98323.05492.51962.5196
F41.36362.34121.98322.18962.58332.61363.2723
F51.36362.34121.98322.18962.58333.27232.6136
H62.11031.08533.05492.58332.58331.77311.7731
H72.11991.08502.51962.61363.27231.77311.7708
H82.11991.08502.51963.27232.61361.77311.7708

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 108.917 C1 C2 H7 109.705
C1 C2 H8 109.705 C2 C1 H3 114.569
C2 C1 F4 110.072 C2 C1 F5 110.072
H3 C1 F4 107.496 H3 C1 F5 107.496
F4 C1 F5 106.810 H6 C2 H7 109.561
H6 C2 H8 109.561 H7 C2 H8 109.378
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability