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

using model chemistry: BLYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-526.717897
Energy at 298.15K-526.720833
HF Energy-526.717897
Nuclear repulsion energy331.718178
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/6-31G*
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' 3517 3489 40.36      
2 A' 1794 1779 220.96      
3 A' 1360 1349 12.63      
4 A' 1219 1210 47.25      
5 A' 1164 1154 279.58      
6 A' 1090 1081 286.80      
7 A' 754 748 3.96      
8 A' 633 628 64.06      
9 A' 555 550 6.79      
10 A' 401 398 0.05      
11 A' 371 368 1.55      
12 A' 228 226 1.26      
13 A" 1138 1128 261.83      
14 A" 747 741 48.39      
15 A" 607 602 81.08      
16 A" 476 472 0.65      
17 A" 225 223 0.01      
18 A" 6 6 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 8141.3 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 8075.3 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 BLYP/6-31G*
ABC
0.12414 0.08099 0.06713

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 0.605 0.000
C2 -0.295 -0.913 0.000
O3 0.823 -1.672 0.000
O4 -1.438 -1.316 0.000
F5 -1.025 1.353 0.000
F6 0.823 0.899 1.102
F7 0.823 0.899 -1.102
H8 0.548 -2.614 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.56662.39202.45541.34371.35531.35533.2521
C21.56661.35101.21212.38092.39752.39751.8989
O32.39201.35102.28863.54502.79752.79750.9818
O42.45541.21212.28862.70073.35163.35162.3730
F51.34372.38093.54502.70072.19932.19934.2682
F61.35532.39752.79753.35162.19932.20463.6928
F71.35532.39752.79753.35162.19932.20463.6928
H83.25211.89890.98182.37304.26823.69283.6928

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 109.920 C1 C2 O4 123.678
C2 C1 F5 109.553 C2 C1 F6 110.068
C2 C1 F7 110.068 C2 O3 H8 107.936
O3 C2 O4 126.402 F5 C1 F6 109.144
F5 C1 F7 109.144 F6 C1 F7 108.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.717      
2 C 0.434      
3 O -0.500      
4 O -0.393      
5 F -0.215      
6 F -0.223      
7 F -0.223      
8 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.969 -1.719 0.000 1.974
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.750 -2.522 0.000
y -2.522 -30.197 0.000
z 0.000 0.000 -35.818
Traceless
 xyz
x -7.743 -2.522 0.000
y -2.522 8.087 0.000
z 0.000 0.000 -0.344
Polar
3z2-r2-0.688
x2-y2-10.553
xy-2.522
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.826 -0.039 0.000
y -0.039 4.837 0.000
z 0.000 0.000 3.114


<r2> (average value of r2) Å2
<r2> 170.521
(<r2>)1/2 13.058