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All results from a given calculation for CF3COOH (trifluoroacetic acid)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-526.698575
Energy at 298.15K-526.701833
HF Energy-526.207540
Nuclear repulsion energy336.959616
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 B2PLYP/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' 3756 3603 97.21      
2 A' 1852 1777 256.88      
3 A' 1430 1372 37.35      
4 A' 1273 1221 94.25      
5 A' 1222 1172 262.27      
6 A' 1145 1098 305.69      
7 A' 802 769 2.59      
8 A' 670 643 71.01      
9 A' 592 568 8.26      
10 A' 427 409 0.04      
11 A' 391 375 2.07      
12 A' 239 230 1.27      
13 A" 1195 1147 284.80      
14 A" 794 762 38.84      
15 A" 605 580 94.02      
16 A" 510 489 2.22      
17 A" 246 236 0.07      
18 A" 33 31 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 8589.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8240.6 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 B2PLYP/cc-pVTZ
ABC
0.12859 0.08327 0.06904

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.592 0.000
C2 -0.295 -0.903 0.000
O3 0.813 -1.652 0.000
O4 -1.423 -1.302 0.000
F5 -1.003 1.347 0.000
F6 0.813 0.887 1.084
F7 0.813 0.887 -1.084
H8 0.533 -2.580 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54282.35872.42241.32601.33791.33793.2029
C21.54281.33711.19722.35892.36782.36781.8701
O32.35871.33712.26343.50622.76122.76120.9686
O42.42241.19722.26342.68233.31193.31192.3369
F51.32602.35893.50622.68232.16452.16454.2167
F61.33792.36782.76123.31192.16452.16873.6432
F71.33792.36782.76123.31192.16452.16873.6432
H83.20291.87010.96862.33694.21673.64323.6432

picture of trifluoroacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 109.767 C1 C2 O4 123.793
C2 C1 F5 110.396 C2 C1 F6 110.363
C2 C1 F7 110.363 C2 O3 H8 107.318
O3 C2 O4 126.440 F5 C1 F6 108.685
F5 C1 F7 108.685 F6 C1 F7 108.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.520      
2 C 0.174      
3 O -0.234      
4 O -0.241      
5 F -0.138      
6 F -0.158      
7 F -0.158      
8 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.028 -1.896 0.000 2.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.811 -2.650 0.000
y -2.650 -31.142 0.000
z 0.000 0.000 -36.780
Traceless
 xyz
x -7.850 -2.650 0.000
y -2.650 8.154 0.000
z 0.000 0.000 -0.304
Polar
3z2-r2-0.608
x2-y2-10.669
xy-2.650
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.158 -0.009 0.000
y -0.009 4.990 0.000
z 0.000 0.000 3.600


<r2> (average value of r2) Å2
<r2> 166.850
(<r2>)1/2 12.917