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All results from a given calculation for HOCH2COOH (Hydroxyacetic acid)

using model chemistry: BLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-302.525685
Energy at 298.15K-302.531164
HF Energy-302.525685
Nuclear repulsion energy175.706416
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/3-21G
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' 3287 3269 4.61      
2 A' 3197 3180 28.12      
3 A' 2926 2910 30.32      
4 A' 1676 1667 121.89      
5 A' 1516 1508 8.24      
6 A' 1444 1436 87.76      
7 A' 1334 1327 60.66      
8 A' 1283 1276 26.64      
9 A' 1064 1058 176.00      
10 A' 987 982 122.54      
11 A' 796 792 35.20      
12 A' 608 605 11.33      
13 A' 442 439 29.03      
14 A' 265 264 9.42      
15 A" 2933 2917 37.54      
16 A" 1190 1183 4.37      
17 A" 1038 1032 0.64      
18 A" 648 644 144.09      
19 A" 499 496 5.83      
20 A" 347 345 73.36      
21 A" 82 81 11.50      

Unscaled Zero Point Vibrational Energy (zpe) 13780.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 13704.4 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/3-21G
ABC
0.33830 0.13082 0.09606

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.629 -0.872 0.000
C2 0.000 0.523 0.000
O3 -0.957 1.525 0.000
O4 1.228 0.721 0.000
O5 0.421 -1.881 0.000
H6 -1.282 -0.951 0.891
H7 -1.282 -0.951 -0.891
H8 1.277 -1.332 0.000
H9 -0.475 2.415 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.53052.41922.44631.45611.10801.10801.96043.2909
C21.53051.38511.24362.44122.14782.14782.25241.9505
O32.41921.38512.32793.67422.65162.65163.62651.0127
O42.44631.24362.32792.72453.14493.14492.05352.4019
O51.45612.44123.67422.72452.13522.13521.01724.3889
H61.10802.14782.65163.14492.13521.78262.73643.5749
H71.10802.14782.65163.14492.13521.78262.73643.5749
H81.96042.25243.62652.05351.01722.73642.73644.1365
H93.29091.95051.01272.40194.38893.57493.57494.1365

picture of Hydroxyacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 112.047 C1 C2 O4 123.392
C1 O5 H8 103.437 C2 C1 O5 109.627
C2 C1 H6 107.907 C2 C1 H7 107.907
C2 O3 H9 107.863 O3 C2 O4 124.561
O5 C1 H6 112.055 O5 C1 H7 112.055
H6 C1 H7 107.109
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.167      
2 C 0.517      
3 O -0.491      
4 O -0.435      
5 O -0.515      
6 H 0.208      
7 H 0.208      
8 H 0.324      
9 H 0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.937 2.493 0.000 2.663
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.313 -0.158 0.000
y -0.158 -28.515 0.000
z 0.000 0.000 -27.972
Traceless
 xyz
x -2.070 -0.158 0.000
y -0.158 0.627 0.000
z 0.000 0.000 1.443
Polar
3z2-r22.885
x2-y2-1.798
xy-0.158
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.044 -0.218 0.000
y -0.218 5.282 0.000
z 0.000 0.000 2.414


<r2> (average value of r2) Å2
<r2> 114.673
(<r2>)1/2 10.709