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All results from a given calculation for H2OHCOOH (Water formic acid dimer 1)

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-266.168084
Energy at 298.15K-266.171468
HF Energy-266.168084
Nuclear repulsion energy114.720140
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 B97D3/aug-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 3824 3765 84.90      
2 A 3708 3651 27.90      
3 A 3641 3586 45.56      
4 A 3015 2969 19.54      
5 A 1766 1739 334.03      
6 A 1617 1592 85.68      
7 A 1386 1364 5.88      
8 A 1254 1235 1.08      
9 A 1057 1041 258.07      
10 A 1022 1006 3.76      
11 A 657 647 125.40      
12 A 609 600 30.38      
13 A 320 315 95.26      
14 A 228 225 94.50      
15 A 109 108 5.26      
16 A 85 84 66.84      
17 A 64 63 63.08      
18 A 44 43 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 12202.9 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 12016.2 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 B97D3/aug-cc-pVTZ
ABC
0.69611 0.08648 0.07706

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.961 0.475 -0.003
O2 2.494 -0.330 -0.061
O3 -0.282 0.923 0.006
H4 3.338 -0.099 0.343
H5 -0.990 1.589 -0.049
C6 -0.884 -0.302 0.027
O7 -2.074 -0.477 -0.012
H8 -0.111 -1.082 0.084

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96692.28691.53173.15422.94924.14512.5934
O20.96693.04570.96443.97693.37914.56992.7155
O32.28693.04573.77640.97371.36442.27352.0133
H41.53170.96443.77644.66194.23905.43653.5963
H53.15423.97690.97374.66191.89472.33282.8146
C62.94923.37911.36444.23901.89471.20281.0998
O74.14514.56992.27355.43652.33281.20282.0555
H82.59342.71552.01333.59632.81461.09982.0555

picture of Water formic acid dimer 1 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 104.949 H1 O3 H5 147.860
H1 O3 C6 104.915 O2 H1 O3 134.716
O3 C6 O7 124.527 O3 C6 H8 109.102
H5 O3 C6 107.073 O7 C6 H8 126.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.239      
2 O -0.366      
3 O -0.192      
4 H 0.143      
5 H 0.128      
6 C 0.143      
7 O -0.504      
8 H 0.410      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.551 2.285 0.711 2.852
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.809 -0.849 2.591
y -0.849 -21.377 -0.250
z 2.591 -0.250 -24.510
Traceless
 xyz
x -2.866 -0.849 2.591
y -0.849 3.782 -0.250
z 2.591 -0.250 -0.916
Polar
3z2-r2-1.833
x2-y2-4.432
xy-0.849
xz2.591
yz-0.250


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.148 0.276 0.073
y 0.276 5.206 -0.042
z 0.073 -0.042 3.846


<r2> (average value of r2) Å2
<r2> 134.514
(<r2>)1/2 11.598