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

using model chemistry: B1B95/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 B1B95/daug-cc-pVDZ
 hartrees
Energy at 0K-278.258584
Energy at 298.15K 
HF Energy-278.258584
Nuclear repulsion energy132.213440
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 B1B95/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' 3186 3186 11.91 35.84 0.70 0.83
2 A' 3114 3114 32.09 113.84 0.23 0.37
3 A' 3084 3084 2.36 155.51 0.00 0.01
4 A' 1458 1458 9.00 4.59 0.75 0.85
5 A' 1424 1424 70.89 0.71 0.37 0.54
6 A' 1362 1362 0.41 0.64 0.46 0.63
7 A' 1157 1157 101.26 3.29 0.75 0.86
8 A' 1148 1148 27.40 2.85 0.03 0.07
9 A' 875 875 8.77 6.59 0.12 0.22
10 A' 559 559 5.01 0.81 0.29 0.45
11 A' 459 459 13.01 0.85 0.58 0.74
12 A" 3183 3183 8.01 48.87 0.75 0.86
13 A" 1458 1458 0.53 3.14 0.75 0.86
14 A" 1361 1361 16.28 4.09 0.75 0.86
15 A" 1138 1138 167.06 2.06 0.75 0.86
16 A" 941 941 63.12 2.30 0.75 0.86
17 A" 375 375 0.26 0.38 0.75 0.86
18 A" 225 225 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13252.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13252.7 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 B1B95/daug-cc-pVDZ
ABC
0.31575 0.29923 0.17240

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.320 0.168 0.000
C2 -0.897 1.039 0.000
H3 1.272 0.712 0.000
F4 0.320 -0.651 1.098
F5 0.320 -0.651 -1.098
H6 -1.793 0.413 0.000
H7 -0.894 1.673 0.891
H8 -0.894 1.673 -0.891

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49681.09631.36951.36952.12742.12942.1294
C21.49682.19292.35422.35421.09311.09321.0932
H31.09632.19291.99211.99213.07922.53142.5314
F41.36952.35421.99212.19622.60832.63023.2908
F51.36952.35421.99212.19622.60833.29082.6302
H62.12741.09313.07922.60832.60831.78551.7855
H72.12941.09322.53142.63023.29081.78551.7812
H82.12941.09322.53143.29082.63021.78551.7812

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 109.468 C1 C2 H7 109.620
C1 C2 H8 109.620 C2 C1 H3 114.612
C2 C1 F4 110.358 C2 C1 F5 110.358
H3 C1 F4 107.267 H3 C1 F5 107.267
F4 C1 F5 106.610 H6 C2 H7 109.503
H6 C2 H8 109.503 H7 C2 H8 109.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.878      
2 C 0.539      
3 H -0.662      
4 F -0.652      
5 F -0.652      
6 H -0.163      
7 H -0.143      
8 H -0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.377 2.297 0.000 2.328
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.523 0.496 0.000
y 0.496 -22.945 0.000
z 0.000 0.000 -25.478
Traceless
 xyz
x 2.689 0.496 0.000
y 0.496 0.555 0.000
z 0.000 0.000 -3.244
Polar
3z2-r2-6.488
x2-y21.422
xy0.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.397 -0.198 0.000
y -0.198 4.431 0.000
z 0.000 0.000 4.400


<r2> (average value of r2) Å2
<r2> 72.115
(<r2>)1/2 8.492