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All results from a given calculation for CHF2CH2F (Ethane, 1,1,2-trifluoro)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
1 2 no Cs 1A'

Conformer 1 (C1)

Jump to S1C2
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-372.119569
Energy at 298.15K 
HF Energy-372.119569
Nuclear repulsion energy183.296668
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/STO-3G
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 3347 2963 8.58 29.93 0.75 0.86
2 A 3243 2870 9.62 37.74 0.14 0.25
3 A 3166 2802 26.68 42.35 0.35 0.52
4 A 1643 1454 0.45 11.51 0.75 0.85
5 A 1501 1328 2.84 4.24 0.67 0.80
6 A 1471 1302 37.79 7.00 0.74 0.85
7 A 1388 1228 33.51 4.27 0.74 0.85
8 A 1307 1157 8.35 7.68 0.75 0.85
9 A 1224 1084 35.05 3.86 0.75 0.86
10 A 1217 1077 21.89 2.36 0.66 0.79
11 A 1175 1039 19.11 4.90 0.57 0.73
12 A 1083 958 10.87 5.14 0.47 0.64
13 A 910 806 1.69 6.86 0.33 0.49
14 A 555 491 2.70 1.83 0.43 0.60
15 A 434 384 6.07 0.68 0.75 0.86
16 A 391 346 1.88 2.23 0.57 0.72
17 A 227 201 1.85 0.14 0.61 0.76
18 A 55 49 2.20 0.06 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 12168.4 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 10769.0 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/STO-3G
ABC
0.28187 0.10892 0.08488

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.860 -0.540 -0.333
C2 0.503 0.020 0.319
F3 -1.981 0.119 0.189
F4 1.563 -0.846 0.015
F5 0.804 1.292 -0.181
H6 -0.796 -0.408 -1.440
H7 -0.905 -1.636 -0.120
H8 0.366 0.078 1.442

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.61061.40102.46692.47871.11681.11752.2434
C21.61062.48881.40191.39942.22782.21671.1329
F31.40102.48883.67693.04362.08182.08152.6601
F42.46691.40193.67692.27682.80632.59492.0794
F52.47871.39943.04362.27682.65193.39002.0729
H61.11682.22782.08182.80632.65191.80623.1449
H71.11752.21672.08152.59493.39001.80622.6441
H82.24341.13292.66012.07942.07293.14492.6441

picture of Ethane, 1,1,2-trifluoro state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 109.750 C1 C2 F5 110.674
C1 C2 H8 108.459 C2 C1 F3 111.276
C2 C1 H6 108.172 C2 C1 H7 107.312
F3 C1 H6 111.049 F3 C1 H7 110.986
F4 C2 F5 108.731 F4 C2 H8 109.783
F5 C2 H8 109.435 H6 C1 H7 107.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.059      
2 C 0.124      
3 F -0.095      
4 F -0.100      
5 F -0.099      
6 H 0.081      
7 H 0.080      
8 H 0.070      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.177 -0.692 0.107 0.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.900 0.783 0.725
y 0.783 -24.582 0.265
z 0.725 0.265 -22.780
Traceless
 xyz
x -3.219 0.783 0.725
y 0.783 0.258 0.265
z 0.725 0.265 2.961
Polar
3z2-r25.923
x2-y2-2.318
xy0.783
xz0.725
yz0.265


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.247 -0.119 -0.089
y -0.119 2.095 0.019
z -0.089 0.019 1.788


<r2> (average value of r2) Å2
<r2> 118.347
(<r2>)1/2 10.879

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-372.118926
Energy at 298.15K 
HF Energy-372.118926
Nuclear repulsion energy185.794379
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/STO-3G
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' 3238 2866 11.02 41.63 0.12 0.22
2 A' 3149 2787 29.08 42.03 0.38 0.55
3 A' 1642 1453 1.48 11.27 0.75 0.86
4 A' 1494 1323 19.93 5.03 0.75 0.86
5 A' 1409 1247 19.98 4.33 0.75 0.86
6 A' 1225 1084 25.74 3.70 0.67 0.80
7 A' 1179 1044 13.19 2.99 0.67 0.80
8 A' 861 762 4.84 9.14 0.22 0.36
9 A' 728 645 13.07 2.98 0.58 0.73
10 A' 475 420 6.13 1.90 0.74 0.85
11 A' 206 182 0.46 0.37 0.57 0.73
12 A" 3340 2956 8.47 33.28 0.75 0.86
13 A" 1474 1305 47.62 1.30 0.75 0.86
14 A" 1318 1167 5.10 16.33 0.75 0.86
15 A" 1222 1082 23.86 1.01 0.75 0.86
16 A" 988 875 6.46 4.00 0.75 0.86
17 A" 328 290 0.03 0.39 0.75 0.86
18 A" 67 59 0.69 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12171.2 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 10771.5 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 B3PW91/STO-3G
ABC
0.23362 0.12502 0.10259

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.738 -0.899 0.000
C2 0.355 0.663 0.000
F3 -0.393 -1.724 0.000
F4 -0.393 0.992 1.138
F5 -0.393 0.992 -1.138
H6 1.370 -1.087 -0.902
H7 1.370 -1.087 0.902
H8 1.324 1.253 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.60871.40042.47972.47971.11751.11752.2297
C21.60872.50181.40071.40072.21532.21531.1340
F31.40042.50182.94422.94422.08102.08103.4363
F42.47971.40072.94422.27533.40452.73572.0763
F52.47971.40072.94422.27532.73573.40452.0763
H61.11752.21532.08103.40452.73571.80482.5076
H71.11752.21532.08102.73573.40451.80482.5076
H82.22971.13403.43632.07632.07632.50762.5076

picture of Ethane, 1,1,2-trifluoro state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 110.785 C1 C2 F5 110.785
C1 C2 H8 107.514 C2 C1 F3 112.307
C2 C1 H6 107.328 C2 C1 H7 107.328
F3 C1 H6 110.978 F3 C1 H7 110.978
F4 C2 F5 108.629 F4 C2 H8 109.556
F5 C2 H8 109.556 H6 C1 H7 107.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.057      
2 C 0.125      
3 F -0.094      
4 F -0.099      
5 F -0.099      
6 H 0.079      
7 H 0.079      
8 H 0.066      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.628 0.031 0.000 1.628
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.896 -0.146 0.000
y -0.146 -25.204 0.000
z 0.000 0.000 -24.883
Traceless
 xyz
x 2.148 -0.146 0.000
y -0.146 -1.314 0.000
z 0.000 0.000 -0.833
Polar
3z2-r2-1.666
x2-y22.308
xy-0.146
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.050 0.026 0.000
y 0.026 2.049 0.000
z 0.000 0.000 2.042


<r2> (average value of r2) Å2
<r2> 109.694
(<r2>)1/2 10.474