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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-264.551862
Energy at 298.15K-264.556289
HF Energy-264.551862
Nuclear repulsion energy 
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 B97D3/3-21G
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 3475 3416 18.96      
2 A 3377 3319 5.16      
3 A 3336 3279 23.46      
4 A 3005 2954 22.61      
5 A 1717 1688 173.23      
6 A 1692 1663 49.17      
7 A 1383 1360 35.73      
8 A 1222 1202 36.72      
9 A 1133 1114 11.19      
10 A 977 960 217.90      
11 A 660 648 172.99      
12 A 618 608 253.05      
13 A 563 553 119.78      
14 A 364 358 99.83      
15 A 235 231 79.98      
16 A 199 196 6.58      
17 A 144 141 31.12      
18 A 123 121 7.14      

Unscaled Zero Point Vibrational Energy (zpe) 12111.8 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 11905.9 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 B97D3/3-21G
ABC
0.54227 0.10958 0.09212

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.734 0.510 -0.218
O2 2.226 -0.356 -0.090
O3 -0.228 1.047 0.011
H4 2.414 -0.370 0.893
H5 -1.013 1.672 0.034
C6 -0.703 -0.284 -0.016
O7 -1.888 -0.592 0.011
H8 0.207 -0.900 -0.066

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H11.00392.04761.57182.99422.57143.79352.0850
O21.00392.82831.00113.82362.93004.12182.0912
O32.04762.82833.12481.00401.41362.33241.9967
H41.57181.00113.12484.08083.24744.39712.4642
H52.99423.82361.00404.08081.98172.42692.8490
C62.57142.93001.41363.24741.98171.22501.0994
O73.79354.12182.33244.39712.42691.22502.1189
H82.08502.09121.99672.46422.84901.09942.1189

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 106.709 H1 O3 H5 149.427
H1 O3 C6 98.747 O2 H1 O3 127.942
O3 C6 O7 125.991 O3 C6 H8 106.287
H5 O3 C6 111.633 O7 C6 H8 127.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.344      
2 O -0.630      
3 O -0.535      
4 H 0.326      
5 H 0.362      
6 C 0.340      
7 O -0.443      
8 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.430 2.457 1.484 2.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.695 -2.169 4.021
y -2.169 -21.022 -0.853
z 4.021 -0.853 -21.599
Traceless
 xyz
x -7.384 -2.169 4.021
y -2.169 4.125 -0.853
z 4.021 -0.853 3.259
Polar
3z2-r26.518
x2-y2-7.673
xy-2.169
xz4.021
yz-0.853


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.977 0.011 0.224
y 0.011 3.382 -0.062
z 0.224 -0.062 1.733


<r2> (average value of r2) Å2
<r2> 114.268
(<r2>)1/2 10.690