return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-377.447445
Energy at 298.15K 
HF Energy-377.447445
Nuclear repulsion energy189.764660
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/aug-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 3148 3037 15.69 34.13 0.71 0.83
2 A 3108 2998 20.16 95.09 0.25 0.41
3 A 3076 2967 16.26 125.16 0.05 0.10
4 A 1462 1411 7.59 3.84 0.74 0.85
5 A 1432 1382 12.37 1.47 0.56 0.72
6 A 1367 1319 14.31 2.32 0.74 0.85
7 A 1313 1267 8.73 1.38 0.75 0.86
8 A 1248 1203 12.99 3.52 0.67 0.80
9 A 1150 1110 78.83 4.12 0.64 0.78
10 A 1121 1081 13.54 1.85 0.21 0.35
11 A 1093 1054 278.45 0.07 0.70 0.82
12 A 1074 1036 17.79 7.18 0.40 0.57
13 A 897 865 36.29 4.37 0.25 0.39
14 A 566 546 3.30 1.96 0.25 0.40
15 A 467 450 18.39 0.57 0.73 0.84
16 A 418 403 5.28 1.31 0.43 0.61
17 A 240 232 7.99 0.07 0.54 0.70
18 A 112 108 8.14 0.05 0.71 0.83

Unscaled Zero Point Vibrational Energy (zpe) 11646.5 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 11234.2 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 B3PW91/aug-cc-pVDZ
ABC
0.29973 0.11986 0.09251

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.778 -0.584 -0.293
C2 0.464 0.019 0.327
F3 -1.891 0.111 0.157
F4 1.534 -0.773 -0.003
F5 0.698 1.265 -0.182
H6 -0.726 -0.508 -1.387
H7 -0.870 -1.634 0.017
H8 0.414 0.105 1.422

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51351.38772.33752.36821.09841.09862.1988
C21.51352.36351.37171.36572.15272.14751.0992
F31.38772.36353.54142.85492.03102.02702.6297
F42.33751.37173.54142.20972.66342.55422.0141
F52.36821.36572.85492.20972.57373.30211.9997
H61.09842.15272.03102.66342.57371.80553.0931
H71.09862.14752.02702.55423.30211.80552.5786
H82.19881.09922.62972.01411.99973.09312.5786

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 108.122 C1 C2 F5 110.574
C1 C2 H8 113.668 C2 C1 F3 109.030
C2 C1 H6 109.995 C2 C1 H7 109.574
F3 C1 H6 109.007 F3 C1 H7 108.672
F4 C2 F5 107.654 F4 C2 H8 108.697
F5 C2 H8 107.951 H6 C1 H7 110.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.729      
2 C 1.156      
3 F -0.424      
4 F -0.438      
5 F -0.429      
6 H -0.163      
7 H -0.150      
8 H -0.281      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.313 -1.486 0.355 1.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.726 1.707 1.579
y 1.707 -28.126 0.530
z 1.579 0.530 -24.900
Traceless
 xyz
x -6.213 1.707 1.579
y 1.707 0.687 0.530
z 1.579 0.530 5.526
Polar
3z2-r211.052
x2-y2-4.600
xy1.707
xz1.579
yz0.530


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.669 -0.057 -0.019
y -0.057 4.492 0.061
z -0.019 0.061 4.208


<r2> (average value of r2) Å2
<r2> 112.489
(<r2>)1/2 10.606

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-377.445483
Energy at 298.15K 
HF Energy-377.445483
Nuclear repulsion energy192.465603
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/aug-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' 3078 2969 50.75 143.21 0.05 0.10
2 A' 3062 2954 3.54 68.38 0.26 0.41
3 A' 1456 1405 8.97 3.50 0.73 0.85
4 A' 1415 1365 19.94 2.24 0.39 0.57
5 A' 1382 1333 14.54 1.34 0.69 0.81
6 A' 1180 1138 118.15 4.10 0.18 0.30
7 A' 1094 1055 31.37 3.67 0.75 0.85
8 A' 869 839 30.49 7.45 0.10 0.18
9 A' 751 725 50.69 2.33 0.46 0.63
10 A' 505 487 11.42 1.08 0.74 0.85
11 A' 228 220 1.48 0.20 0.38 0.55
12 A" 3129 3018 12.89 49.35 0.75 0.86
13 A" 1357 1309 19.25 1.06 0.75 0.86
14 A" 1266 1221 19.36 6.50 0.75 0.86
15 A" 1118 1078 122.60 1.66 0.75 0.86
16 A" 936 903 65.37 2.23 0.75 0.86
17 A" 364 351 0.48 0.25 0.75 0.86
18 A" 112 108 1.97 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11650.5 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 11238.0 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/aug-cc-pVDZ
ABC
0.24584 0.13750 0.11271

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.738 -0.837 0.000
C2 0.359 0.627 0.000
F3 -0.389 -1.636 0.000
F4 -0.389 0.935 1.102
F5 -0.389 0.935 -1.102
H6 1.329 -1.057 -0.901
H7 1.329 -1.057 0.901
H8 1.253 1.271 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51181.38152.37102.37101.09981.09982.1699
C21.51182.38361.36661.36662.14212.14211.1020
F31.38152.38362.79762.79762.02392.02393.3390
F42.37101.36662.79762.20373.30602.63792.0054
F52.37101.36662.79762.20372.63793.30602.0054
H61.09982.14212.02393.30602.63791.80192.4979
H71.09982.14212.02392.63793.30601.80192.4979
H82.16991.10203.33902.00542.00542.49792.4979

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 110.813 C1 C2 F5 110.813
C1 C2 H8 111.263 C2 C1 F3 110.861
C2 C1 H6 109.204 C2 C1 H7 109.204
F3 C1 H6 108.776 F3 C1 H7 108.776
F4 C2 F5 107.464 F4 C2 H8 108.174
F5 C2 H8 108.174 H6 C1 H7 110.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.741      
2 C 1.184      
3 F -0.426      
4 F -0.438      
5 F -0.438      
6 H -0.177      
7 H -0.177      
8 H -0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.222 0.045 0.000 3.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.412 -0.360 0.000
y -0.360 -29.073 0.000
z 0.000 0.000 -28.793
Traceless
 xyz
x 3.520 -0.360 0.000
y -0.360 -1.970 0.000
z 0.000 0.000 -1.550
Polar
3z2-r2-3.100
x2-y23.660
xy-0.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.460 -0.024 0.000
y -0.024 4.541 0.000
z 0.000 0.000 4.402


<r2> (average value of r2) Å2
<r2> 104.279
(<r2>)1/2 10.212