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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-304.101657
Energy at 298.15K-304.107198
HF Energy-304.101657
Nuclear repulsion energy178.332246
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 mPW1PW91/6-31G
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' 3677 3481 52.66      
2 A' 3642 3447 41.70      
3 A' 3080 2916 17.39      
4 A' 1774 1679 227.18      
5 A' 1540 1458 16.61      
6 A' 1483 1404 17.07      
7 A' 1378 1305 131.20      
8 A' 1317 1247 41.60      
9 A' 1160 1098 131.66      
10 A' 1087 1029 216.51      
11 A' 883 836 47.50      
12 A' 646 612 17.03      
13 A' 474 449 33.65      
14 A' 282 267 9.29      
15 A" 3119 2953 14.99      
16 A" 1251 1184 1.43      
17 A" 1066 1009 2.06      
18 A" 668 633 204.83      
19 A" 525 497 9.78      
20 A" 290 275 121.36      
21 A" 62 59 32.74      

Unscaled Zero Point Vibrational Energy (zpe) 14702.8 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 13917.7 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 mPW1PW91/6-31G
ABC
0.34999 0.13398 0.09867

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.617 -0.851 0.000
C2 0.000 0.516 0.000
O3 -0.924 1.511 0.000
O4 1.216 0.715 0.000
O5 0.390 -1.858 0.000
H6 -1.259 -0.950 0.883
H7 -1.259 -0.950 -0.883
H8 1.270 -1.432 0.000
H9 -0.502 2.393 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50002.38202.41101.42481.09541.09541.97533.2457
C21.50001.35811.23222.40662.12422.12422.32581.9425
O32.38201.35812.28373.61702.63602.63603.67150.9776
O42.41101.23222.28372.70283.11033.11032.14752.4013
O51.42482.40663.61702.70282.07892.07890.97854.3438
H61.09542.12422.63603.11032.07891.76532.72163.5391
H71.09542.12422.63603.11032.07891.76532.72163.5391
H81.97532.32583.67152.14750.97852.72162.72164.2154
H93.24571.94250.97762.40134.34383.53913.53914.2154

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 112.809 C1 C2 O4 123.580
C1 O5 H8 109.139 C2 C1 O5 110.710
C2 C1 H6 108.860 C2 C1 H7 108.860
C2 O3 H9 111.500 O3 C2 O4 123.610
O5 C1 H6 110.476 O5 C1 H7 110.476
H6 C1 H7 107.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.080      
2 C 0.462      
3 O -0.566      
4 O -0.431      
5 O -0.632      
6 H 0.216      
7 H 0.216      
8 H 0.400      
9 H 0.414      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.204 2.415 0.000 2.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.919 -0.552 0.000
y -0.552 -29.267 0.000
z 0.000 0.000 -28.139
Traceless
 xyz
x -2.216 -0.552 0.000
y -0.552 0.262 0.000
z 0.000 0.000 1.954
Polar
3z2-r23.909
x2-y2-1.652
xy-0.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.180 -0.183 0.000
y -0.183 4.902 0.000
z 0.000 0.000 2.586


<r2> (average value of r2) Å2
<r2> 112.666
(<r2>)1/2 10.614