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

using model chemistry: B2PLYP=FULLultrafine/TZVP

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=FULLultrafine/TZVP
 hartrees
Energy at 0K-278.219563
Energy at 298.15K 
HF Energy-277.970201
Nuclear repulsion energy132.089640
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=FULLultrafine/TZVP
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' 3173 3173 15.26 36.40 0.69 0.82
2 A' 3118 3118 35.53 109.83 0.28 0.44
3 A' 3084 3084 2.53 132.67 0.01 0.02
4 A' 1504 1504 4.99 7.89 0.75 0.86
5 A' 1457 1457 67.89 1.88 0.54 0.70
6 A' 1411 1411 4.98 1.10 0.75 0.86
7 A' 1176 1176 29.49 1.66 0.02 0.04
8 A' 1149 1149 112.05 3.93 0.75 0.86
9 A' 880 880 10.58 6.14 0.21 0.34
10 A' 573 573 6.61 1.13 0.43 0.60
11 A' 470 470 13.48 1.18 0.65 0.79
12 A" 3169 3169 9.25 50.88 0.75 0.86
13 A" 1503 1503 0.84 6.16 0.75 0.86
14 A" 1416 1416 25.48 7.81 0.75 0.86
15 A" 1153 1153 135.98 2.26 0.75 0.86
16 A" 953 953 92.93 4.52 0.75 0.86
17 A" 387 387 0.10 0.40 0.75 0.86
18 A" 238 238 0.06 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13405.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13405.7 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 B2PLYP=FULLultrafine/TZVP
ABC
0.31426 0.29895 0.17173

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.166 0.000
C2 -0.899 1.040 0.000
H3 1.265 0.711 0.000
F4 0.321 -0.650 1.102
F5 0.321 -0.650 -1.102
H6 -1.791 0.417 0.000
H7 -0.899 1.671 0.887
H8 -0.899 1.671 -0.887

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50061.08961.37141.37142.12692.13072.1307
C21.50062.18852.35782.35781.08811.08811.0881
H31.08962.18851.98941.98943.06982.52812.5281
F41.37142.35781.98942.20352.61032.63123.2910
F51.37142.35781.98942.20352.61033.29102.6312
H62.12691.08813.06982.61032.61031.77561.7756
H72.13071.08812.52812.63123.29101.77561.7734
H82.13071.08812.52813.29102.63121.77561.7734

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 109.457 C1 C2 H7 109.754
C1 C2 H8 109.754 C2 C1 H3 114.390
C2 C1 F4 110.283 C2 C1 F5 110.283
H3 C1 F4 107.322 H3 C1 F5 107.322
F4 C1 F5 106.913 H6 C2 H7 109.356
H6 C2 H8 109.356 H7 C2 H8 109.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.283      
2 C -0.313      
3 H 0.085      
4 F -0.216      
5 F -0.216      
6 H 0.132      
7 H 0.122      
8 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.356 2.376 0.000 2.403
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.704 0.545 0.006
y 0.545 -23.213 -0.009
z 0.006 -0.009 -25.840
Traceless
 xyz
x 2.822 0.545 0.006
y 0.545 0.559 -0.009
z 0.006 -0.009 -3.382
Polar
3z2-r2-6.764
x2-y21.509
xy0.545
xz0.006
yz-0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.778 -0.085 -0.000
y -0.085 3.853 0.002
z -0.000 0.002 3.877


<r2> (average value of r2) Å2
<r2> 72.431
(<r2>)1/2 8.511