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

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-265.532182
Energy at 298.15K-265.535794
HF Energy-264.811328
Nuclear repulsion energy117.223529
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 MP3=FULL/6-31+G**
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 4050 3773 90.61      
2 A 3925 3656 17.56      
3 A 3888 3622 77.12      
4 A 3242 3020 4.89      
5 A 1893 1764 379.28      
6 A 1659 1545 132.40      
7 A 1464 1364 8.81      
8 A 1326 1235 9.19      
9 A 1164 1084 304.48      
10 A 1096 1021 2.36      
11 A 657 612 181.43      
12 A 642 598 44.74      
13 A 331 308 119.64      
14 A 268 249 141.16      
15 A 140 130 2.74      
16 A 97 90 127.56      
17 A 91 85 79.91      
18 A 46 43 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 12988.1 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 12099.7 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 MP3=FULL/6-31+G**
ABC
0.65650 0.09749 0.08502

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.969 0.520 -0.117
O2 2.435 -0.319 -0.084
O3 -0.292 0.949 0.008
H4 3.047 -0.255 0.651
H5 -1.011 1.594 -0.005
C6 -0.833 -0.289 0.007
O7 -2.014 -0.516 0.004
H8 -0.042 -1.038 0.011

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96062.30471.53433.16922.91924.11702.5474
O20.96063.00870.95883.94183.26944.45382.5808
O32.30473.00873.60730.96581.35062.26012.0027
H41.53430.95883.60734.50723.93325.10853.2501
H53.16923.94180.96584.50721.89112.33572.8048
C62.91923.26941.35063.93321.89111.20221.0899
O74.11704.45382.26015.10852.33571.20222.0399
H82.54742.58082.00273.25012.80481.08992.0399

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 106.135 H1 O3 H5 148.589
H1 O3 C6 102.865 O2 H1 O3 129.524
O3 C6 O7 124.487 O3 C6 H8 109.834
H5 O3 C6 108.299 O7 C6 H8 125.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability