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

using model chemistry: SVWN/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at SVWN/TZVP
 hartrees
Energy at 0K-264.992975
Energy at 298.15K-264.996972
HF Energy-264.992975
Nuclear repulsion energy120.075141
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 SVWN/TZVP
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 3813 3769 93.36      
2 A 3629 3588 99.31      
3 A 3598 3557 88.31      
4 A 2977 2943 1.14      
5 A 1821 1800 320.49      
6 A 1521 1504 105.53      
7 A 1346 1331 18.19      
8 A 1218 1204 13.49      
9 A 1094 1081 254.16      
10 A 1027 1015 6.09      
11 A 672 665 159.71      
12 A 609 602 41.80      
13 A 464 459 171.30      
14 A 327 323 136.38      
15 A 207 205 7.50      
16 A 137 136 30.61      
17 A 82 81 147.55      
18 A 77 76 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 12310.1 cm-1
Scaled (by 0.9885) Zero Point Vibrational Energy (zpe) 12168.5 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 SVWN/TZVP
ABC
0.68170 0.10893 0.09410

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.695 0.505 -0.029
O2 2.171 -0.348 -0.059
O3 -0.180 0.936 0.012
H4 3.053 -0.189 0.311
H5 -0.908 1.593 -0.054
C6 -0.742 -0.290 0.030
O7 -1.923 -0.477 -0.015
H8 0.064 -1.051 0.090

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.97781.92461.56202.82162.56413.74942.2574
O20.97782.68020.96933.64022.91484.09672.2259
O31.92462.68023.43600.98281.34912.24432.0037
H41.56200.96933.43604.35853.80624.99493.1182
H52.82163.64020.98284.35851.89272.30602.8209
C62.56412.91481.34913.80621.89271.19711.1098
O73.74944.09672.24434.99492.30601.19712.0714
H82.25742.22592.00373.11822.82091.10982.0714

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 106.686 H1 O3 H5 150.467
H1 O3 C6 101.671 O2 H1 O3 132.101
O3 C6 O7 123.517 O3 C6 H8 108.756
H5 O3 C6 107.469 O7 C6 H8 127.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.296      
2 O -0.574      
3 O -0.328      
4 H 0.281      
5 H 0.299      
6 C 0.135      
7 O -0.282      
8 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.761 2.612 0.743 3.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.463 -1.335 2.446
y -1.335 -21.479 -0.488
z 2.446 -0.488 -24.675
Traceless
 xyz
x -1.386 -1.335 2.446
y -1.335 3.090 -0.488
z 2.446 -0.488 -1.704
Polar
3z2-r2-3.408
x2-y2-2.985
xy-1.335
xz2.446
yz-0.488


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.538 0.190 0.169
y 0.190 4.283 -0.048
z 0.169 -0.048 2.595


<r2> (average value of r2) Å2
<r2> 112.973
(<r2>)1/2 10.629