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

using model chemistry: HSEh1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-518.985430
Energy at 298.15K-518.987782
HF Energy-518.985430
Nuclear repulsion energy321.997961
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 HSEh1PBE/STO-3G
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' 3772 3331 11.08      
2 A' 1913 1689 62.49      
3 A' 1490 1315 5.31      
4 A' 1347 1190 70.01      
5 A' 1227 1084 95.20      
6 A' 1136 1003 149.19      
7 A' 767 677 1.82      
8 A' 595 526 53.48      
9 A' 533 470 11.16      
10 A' 375 331 0.18      
11 A' 332 294 1.90      
12 A' 172 152 0.35      
13 A" 1311 1158 122.33      
14 A" 689 608 17.65      
15 A" 621 549 66.61      
16 A" 444 392 0.30      
17 A" 199 176 0.00      
18 A" 15 14 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 8468.8 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 7478.8 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 HSEh1PBE/STO-3G
ABC
0.11827 0.07550 0.06280

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 0.629 0.000
C2 -0.322 -0.941 0.000
O3 0.852 -1.716 0.000
O4 -1.476 -1.404 0.000
F5 -1.052 1.413 0.000
F6 0.852 0.933 1.132
F7 0.852 0.933 -1.132
H8 0.487 -2.671 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.62442.46292.56991.39091.39421.39423.3232
C21.62441.40631.24342.46412.48372.48371.9104
O32.46291.40632.34843.66212.88002.88001.0230
O42.56991.24342.34842.84813.48693.48692.3367
F51.39092.46413.66212.84812.26652.26654.3645
F61.39422.48372.88003.48692.26652.26393.7952
F71.39422.48372.88003.48692.26652.26393.7952
H83.32321.91041.02302.33674.36453.79523.7952

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 108.496 C1 C2 O4 126.800
C2 C1 F5 109.367 C2 C1 F6 110.499
C2 C1 F7 110.499 C2 O3 H8 102.552
O3 C2 O4 124.704 F5 C1 F6 108.938
F5 C1 F7 108.938 F6 C1 F7 108.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.284      
2 C 0.182      
3 O -0.213      
4 O -0.199      
5 F -0.089      
6 F -0.090      
7 F -0.090      
8 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.588 -1.222 0.000 1.356
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.343 -1.417 0.000
y -1.417 -27.569 0.000
z 0.000 0.000 -31.951
Traceless
 xyz
x -6.582 -1.417 0.000
y -1.417 6.578 0.000
z 0.000 0.000 0.005
Polar
3z2-r20.009
x2-y2-8.774
xy-1.417
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.080 -0.012 0.000
y -0.012 3.277 0.000
z 0.000 0.000 1.579


<r2> (average value of r2) Å2
<r2> 177.939
(<r2>)1/2 13.339