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

using model chemistry: B2PLYP=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-278.066096
Energy at 298.15K 
HF Energy-277.858198
Nuclear repulsion energy132.119393
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 B2PLYP=FULL/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' 3203 3203 14.89 42.36 0.74 0.85
2 A' 3122 3122 52.88 107.15 0.24 0.39
3 A' 3108 3108 4.47 85.81 0.02 0.04
4 A' 1525 1525 4.13 15.17 0.75 0.86
5 A' 1475 1475 69.70 3.17 0.69 0.82
6 A' 1423 1423 6.26 1.14 0.75 0.85
7 A' 1188 1188 39.40 1.70 0.05 0.09
8 A' 1168 1168 81.59 5.12 0.75 0.86
9 A' 891 891 7.84 6.61 0.23 0.37
10 A' 568 568 6.33 0.82 0.51 0.68
11 A' 465 465 12.22 1.00 0.65 0.79
12 A" 3199 3199 11.70 52.87 0.75 0.86
13 A" 1527 1527 0.02 10.84 0.75 0.86
14 A" 1435 1435 37.28 9.60 0.75 0.86
15 A" 1190 1190 128.66 2.97 0.75 0.86
16 A" 984 984 53.17 5.08 0.75 0.86
17 A" 382 382 0.06 0.24 0.75 0.86
18 A" 256 256 0.08 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13553.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13553.5 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 B2PLYP=FULL/6-31G**
ABC
0.31268 0.30081 0.17201

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.166 0.000
C2 -0.906 1.027 0.000
H3 1.262 0.730 0.000
F4 0.325 -0.644 1.104
F5 0.325 -0.644 -1.104
H6 -1.787 0.385 0.000
H7 -0.923 1.658 0.888
H8 -0.923 1.658 -0.888

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50281.09261.36991.36992.12332.13802.1380
C21.50282.18832.35152.35151.08931.08921.0892
H31.09262.18831.99581.99583.06762.53402.5340
F41.36992.35151.99582.20892.59612.62753.2902
F51.36992.35151.99582.20892.59613.29022.6275
H62.12331.08933.06762.59612.59611.77591.7759
H72.13801.08922.53402.62753.29021.77591.7754
H82.13801.08922.53403.29022.62751.77591.7754

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 108.961 C1 C2 H7 110.126
C1 C2 H8 110.126 C2 C1 H3 114.018
C2 C1 F4 109.804 C2 C1 F5 109.804
H3 C1 F4 107.760 H3 C1 F5 107.760
F4 C1 F5 107.465 H6 C2 H7 109.215
H6 C2 H8 109.215 H7 C2 H8 109.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability