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

using model chemistry: HF/CEP-121G*

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 HF/CEP-121G*
 hartrees
Energy at 0K-84.328312
Energy at 298.15K 
HF Energy-84.328312
Nuclear repulsion energy109.614926
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 HF/CEP-121G*
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 3338 3016 63.62 22.83 0.24 0.39
2 A 3322 3001 14.04 103.65 0.42 0.59
3 A 3265 2949 28.77 103.99 0.08 0.16
4 A 1643 1485 9.37 5.92 0.73 0.84
5 A 1618 1462 13.33 2.30 0.50 0.66
6 A 1540 1391 38.26 4.07 0.75 0.85
7 A 1469 1327 37.83 2.16 0.74 0.85
8 A 1375 1242 20.21 7.56 0.72 0.84
9 A 1275 1152 127.15 4.97 0.69 0.81
10 A 1242 1122 108.11 5.00 0.75 0.85
11 A 1224 1106 172.63 1.20 0.17 0.29
12 A 1193 1078 89.39 5.82 0.42 0.60
13 A 988 893 42.79 5.57 0.30 0.46
14 A 625 565 6.25 1.65 0.34 0.51
15 A 510 460 26.46 0.51 0.73 0.85
16 A 458 413 6.47 1.52 0.46 0.63
17 A 265 239 10.91 0.05 0.51 0.68
18 A 122 110 11.09 0.01 0.52 0.68

Unscaled Zero Point Vibrational Energy (zpe) 12735.6 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 11505.3 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 HF/CEP-121G*
ABC
0.30783 0.12170 0.09428

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.786 -0.580 -0.291
C2 0.468 0.020 0.326
F3 -1.873 0.122 0.158
F4 1.515 -0.767 -0.003
F5 0.705 1.241 -0.184
H6 -0.739 -0.507 -1.370
H7 -0.886 -1.613 0.017
H8 0.417 0.104 1.404

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.52061.36932.32602.35571.08301.08312.1875
C21.52062.34891.35011.34492.14772.14391.0820
F31.36932.34893.50572.83082.00442.00122.6066
F42.32601.35013.50572.17262.64852.54591.9855
F52.35571.34492.83082.17262.55893.27421.9748
H61.08302.14772.00442.64852.55891.78043.0667
H71.08312.14392.00122.54593.27421.78042.5629
H82.18751.08202.60661.98551.97483.06672.5629

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 108.093 C1 C2 F5 110.439
C1 C2 H8 113.311 C2 C1 F3 108.624
C2 C1 H6 110.014 C2 C1 H7 109.709
F3 C1 H6 109.082 F3 C1 H7 108.815
F4 C2 F5 107.442 F4 C2 H8 108.948
F5 C2 H8 108.438 H6 C1 H7 110.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.028      
2 C 0.466      
3 F -0.349      
4 F -0.316      
5 F -0.306      
6 H 0.167      
7 H 0.165      
8 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.318 -1.655 0.422 1.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.099 1.888 1.737
y 1.888 -27.995 0.599
z 1.737 0.599 -24.427
Traceless
 xyz
x -6.888 1.888 1.737
y 1.888 0.768 0.599
z 1.737 0.599 6.120
Polar
3z2-r212.239
x2-y2-5.104
xy1.888
xz1.737
yz0.599


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.389 -0.030 -0.019
y -0.030 3.420 0.026
z -0.019 0.026 3.358


<r2> (average value of r2) Å2
<r2> 90.988
(<r2>)1/2 9.539

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-84.325549
Energy at 298.15K 
HF Energy-84.325549
Nuclear repulsion energy111.152780
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 HF/CEP-121G*
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' 3296 2978 71.94 92.93 0.13 0.23
2 A' 3253 2938 20.80 88.69 0.16 0.27
3 A' 1640 1482 10.07 4.09 0.73 0.84
4 A' 1593 1439 36.83 3.62 0.49 0.65
5 A' 1547 1398 39.05 2.32 0.74 0.85
6 A' 1301 1175 160.50 5.28 0.42 0.59
7 A' 1211 1094 34.93 4.32 0.75 0.86
8 A' 939 848 47.23 7.90 0.15 0.26
9 A' 815 737 68.48 2.53 0.51 0.68
10 A' 557 503 17.54 1.12 0.75 0.86
11 A' 254 230 2.88 0.14 0.43 0.60
12 A" 3316 2995 37.89 48.60 0.75 0.86
13 A" 1537 1389 49.37 1.48 0.75 0.86
14 A" 1393 1259 26.56 12.71 0.75 0.86
15 A" 1267 1145 136.47 1.77 0.75 0.86
16 A" 1057 955 75.77 3.43 0.75 0.86
17 A" 392 354 0.11 0.15 0.75 0.86
18 A" 123 111 3.03 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12745.4 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 11514.2 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 HF/CEP-121G*
ABC
0.25260 0.13953 0.11487

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.735 -0.841 0.000
C2 0.353 0.630 0.000
F3 -0.385 -1.620 0.000
F4 -0.385 0.928 1.085
F5 -0.385 0.928 -1.085
H6 1.315 -1.062 -0.889
H7 1.315 -1.062 0.889
H8 1.232 1.266 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51961.36412.35772.35771.08421.08422.1644
C21.51962.36801.34571.34572.13932.13931.0845
F31.36412.36802.76922.76921.99751.99753.3077
F42.35771.34572.76922.17043.27772.62361.9762
F52.35771.34572.76922.17042.62363.27771.9762
H61.08422.13931.99753.27772.62361.77842.4928
H71.08422.13931.99752.62363.27771.77842.4928
H82.16441.08453.30771.97621.97622.49282.4928

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 110.600 C1 C2 F5 110.600
C1 C2 H8 111.341 C2 C1 F3 110.292
C2 C1 H6 109.354 C2 C1 H7 109.354
F3 C1 H6 108.815 F3 C1 H7 108.815
F4 C2 F5 107.496 F4 C2 H8 108.339
F5 C2 H8 108.339 H6 C1 H7 110.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.027      
2 C 0.476      
3 F -0.341      
4 F -0.309      
5 F -0.309      
6 H 0.160      
7 H 0.160      
8 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.610 0.127 0.000 3.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.953 -0.376 0.000
y -0.376 -29.064 0.000
z 0.000 0.000 -28.740
Traceless
 xyz
x 3.949 -0.376 0.000
y -0.376 -2.218 0.000
z 0.000 0.000 -1.731
Polar
3z2-r2-3.462
x2-y24.111
xy-0.376
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.432 0.006 0.000
y 0.006 3.356 0.000
z 0.000 0.000 3.413


<r2> (average value of r2) Å2
<r2> 84.732
(<r2>)1/2 9.205