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

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-526.949116
Energy at 298.15K-526.952137
HF Energy-526.949116
Nuclear repulsion energy332.247250
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 BLYP/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' 3585 3574 60.70      
2 A' 1772 1767 250.09      
3 A' 1337 1333 12.84      
4 A' 1187 1184 37.09      
5 A' 1123 1120 305.80      
6 A' 1070 1067 290.82      
7 A' 749 747 3.73      
8 A' 637 635 62.45      
9 A' 554 553 5.68      
10 A' 402 400 0.06      
11 A' 369 368 1.45      
12 A' 230 230 1.29      
13 A" 1082 1079 271.55      
14 A" 751 749 45.83      
15 A" 586 585 76.33      
16 A" 482 480 1.67      
17 A" 232 232 0.02      
18 A" 28 28 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 8088.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 8064.4 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 BLYP/cc-pVTZ
ABC
0.12494 0.08092 0.06720

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.597 0.000
C2 -0.300 -0.917 0.000
O3 0.824 -1.674 0.000
O4 -1.437 -1.321 0.000
F5 -1.021 1.364 0.000
F6 0.824 0.901 1.103
F7 0.824 0.901 -1.103
H8 0.538 -2.612 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.56222.38772.44961.34731.36091.36093.2402
C21.56221.35581.20632.39142.40532.40531.8911
O32.38771.35582.28823.55432.80172.80170.9803
O42.44961.20632.28822.71693.35673.35672.3590
F51.34732.39143.55432.71692.19862.19864.2702
F61.36092.40532.80173.35672.19862.20523.6932
F71.36092.40532.80173.35672.19862.20523.6932
H83.24021.89110.98032.35904.27023.69323.6932

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 109.618 C1 C2 O4 123.950
C2 C1 F5 110.341 C2 C1 F6 110.555
C2 C1 F7 110.555 C2 O3 H8 106.999
O3 C2 O4 126.431 F5 C1 F6 108.545
F5 C1 F7 108.545 F6 C1 F7 108.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.494      
2 C 0.169      
3 O -0.220      
4 O -0.232      
5 F -0.131      
6 F -0.151      
7 F -0.151      
8 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.012 -1.881 0.000 2.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.844 -2.682 0.000
y -2.682 -31.348 0.000
z 0.000 0.000 -36.941
Traceless
 xyz
x -7.700 -2.682 0.000
y -2.682 8.044 0.000
z 0.000 0.000 -0.344
Polar
3z2-r2-0.689
x2-y2-10.496
xy-2.682
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.439 -0.033 0.000
y -0.033 5.480 0.000
z 0.000 0.000 3.802


<r2> (average value of r2) Å2
<r2> 170.992
(<r2>)1/2 13.076