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

using model chemistry: SVWN/aug-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 SVWN/aug-cc-pVTZ
 hartrees
Energy at 0K-277.094374
Energy at 298.15K 
HF Energy-277.094374
Nuclear repulsion energy132.977035
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 SVWN/aug-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' 3082 3057 3.11 41.15 0.69 0.82
2 A' 2988 2965 0.41 165.74 0.00 0.01
3 A' 2965 2942 32.15 131.91 0.20 0.33
4 A' 1404 1393 8.91 4.32 0.75 0.85
5 A' 1367 1356 86.62 0.91 0.55 0.71
6 A' 1313 1303 1.70 0.76 0.36 0.53
7 A' 1137 1128 104.17 3.52 0.60 0.75
8 A' 1123 1114 18.71 2.48 0.09 0.17
9 A' 864 857 5.26 5.74 0.15 0.26
10 A' 556 551 3.85 0.75 0.30 0.47
11 A' 456 453 11.98 0.83 0.57 0.73
12 A" 3084 3060 1.69 50.21 0.75 0.86
13 A" 1402 1391 1.24 2.99 0.75 0.86
14 A" 1307 1297 14.65 4.70 0.75 0.86
15 A" 1114 1106 176.72 2.24 0.75 0.86
16 A" 915 908 46.42 1.73 0.75 0.86
17 A" 372 369 0.44 0.39 0.75 0.86
18 A" 223 221 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12835.7 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 12734.3 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 SVWN/aug-cc-pVTZ
ABC
0.31860 0.30442 0.17501

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.319 0.167 0.000
C2 -0.891 1.024 0.000
H3 1.275 0.723 0.000
F4 0.319 -0.643 1.092
F5 0.319 -0.643 -1.092
H6 -1.783 0.383 0.000
H7 -0.902 1.661 0.894
H8 -0.902 1.661 -0.894

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.48311.10531.36021.36022.11302.12592.1259
C21.48312.18702.33222.33221.09831.09721.0972
H31.10532.18701.99301.99303.07652.53302.5330
F41.36022.33221.99302.18432.58152.61523.2777
F51.36022.33221.99302.18432.58153.27772.6152
H62.11301.09833.07652.58152.58151.79121.7912
H72.12591.09722.53302.61523.27771.79121.7875
H82.12591.09722.53303.27772.61521.79121.7875

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 108.966 C1 C2 H7 110.053
C1 C2 H8 110.053 C2 C1 H3 114.543
C2 C1 F4 110.147 C2 C1 F5 110.147
H3 C1 F4 107.425 H3 C1 F5 107.425
F4 C1 F5 106.822 H6 C2 H7 109.336
H6 C2 H8 109.336 H7 C2 H8 109.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.454      
2 C -0.665      
3 H 0.230      
4 F -0.337      
5 F -0.337      
6 H 0.210      
7 H 0.223      
8 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.400 2.179 0.000 2.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.821 0.405 0.000
y 0.405 -23.139 0.000
z 0.000 0.000 -25.561
Traceless
 xyz
x 2.529 0.405 0.000
y 0.405 0.552 0.000
z 0.000 0.000 -3.081
Polar
3z2-r2-6.162
x2-y21.318
xy0.405
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.662 -0.196 0.000
y -0.196 4.665 0.000
z 0.000 0.000 4.606


<r2> (average value of r2) Å2
<r2> 71.490
(<r2>)1/2 8.455