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

using model chemistry: B3PW91/aug-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 B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-278.245112
Energy at 298.15K 
HF Energy-278.245112
Nuclear repulsion energy131.632241
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 B3PW91/aug-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' 3164 3052 12.11 35.95 0.72 0.84
2 A' 3092 2982 32.64 116.60 0.22 0.36
3 A' 3064 2956 2.71 150.54 0.00 0.01
4 A' 1453 1401 7.05 4.41 0.75 0.86
5 A' 1415 1365 68.39 0.73 0.42 0.59
6 A' 1358 1310 0.86 0.70 0.44 0.62
7 A' 1144 1104 35.15 2.58 0.27 0.42
8 A' 1140 1100 93.79 3.37 0.41 0.58
9 A' 868 837 9.19 6.40 0.12 0.22
10 A' 556 537 5.27 0.85 0.30 0.47
11 A' 457 440 12.28 0.87 0.64 0.78
12 A" 3158 3046 8.31 49.00 0.75 0.86
13 A" 1452 1401 0.74 3.15 0.75 0.86
14 A" 1354 1307 14.65 3.97 0.75 0.86
15 A" 1124 1084 154.29 2.06 0.75 0.86
16 A" 930 897 74.08 2.56 0.75 0.86
17 A" 377 363 0.32 0.42 0.75 0.86
18 A" 225 217 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13165.0 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 12698.9 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 B3PW91/aug-cc-pVDZ
ABC
0.31274 0.29676 0.17079

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.167 0.000
C2 -0.898 1.045 0.000
H3 1.277 0.712 0.000
F4 0.321 -0.654 1.104
F5 0.321 -0.654 -1.104
H6 -1.801 0.423 0.000
H7 -0.894 1.682 0.893
H8 -0.894 1.682 -0.893

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50181.10011.37601.37602.13732.13692.1369
C21.50182.20022.36462.36461.09681.09701.0970
H31.10012.20021.99951.99953.09162.53982.5398
F41.37602.36461.99952.20762.62332.64133.3046
F51.37602.36461.99952.20762.62333.30462.6413
H62.13731.09683.09162.62332.62331.79071.7907
H72.13691.09702.53982.64133.30461.79071.7866
H82.13691.09702.53983.30462.64131.79071.7866

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 109.682 C1 C2 H7 109.636
C1 C2 H8 109.636 C2 C1 H3 114.593
C2 C1 F4 110.424 C2 C1 F5 110.424
H3 C1 F4 107.178 H3 C1 F5 107.178
F4 C1 F5 106.673 H6 C2 H7 109.418
H6 C2 H8 109.418 H7 C2 H8 109.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.180      
2 C 0.266      
3 H -0.311      
4 F -0.450      
5 F -0.450      
6 H -0.085      
7 H -0.075      
8 H -0.075      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.376 2.300 0.000 2.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.526 0.499 0.000
y 0.499 -22.972 0.000
z 0.000 0.000 -25.529
Traceless
 xyz
x 2.724 0.499 0.000
y 0.499 0.555 0.000
z 0.000 0.000 -3.280
Polar
3z2-r2-6.559
x2-y21.446
xy0.499
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.365 -0.207 0.000
y -0.207 4.427 0.000
z 0.000 0.000 4.404


<r2> (average value of r2) Å2
<r2> 72.653
(<r2>)1/2 8.524