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

using model chemistry: B3LYPultrafine_cp/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 B3LYPultrafine_cp/6-31+G**
 hartrees
Energy at 0K-266.212814
Energy at 298.15K-266.204708
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 B3LYPultrafine/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 3923 3776 95.87      
2 A 3791 3649 25.55      
3 A 3737 3598 66.80      
4 A 3120 3004 6.34      
5 A 1821 1753 372.00      
6 A 1605 1545 134.06      
7 A 1407 1355 9.11      
8 A 1273 1225 6.56      
9 A 1115 1074 289.96      
10 A 1058 1018 3.06      
11 A 668 643 167.42      
12 A 622 599 37.53      
13 A 327 315 87.50      
14 A 283 272 165.16      
15 A 133 128 1.43      
16 A 77 74 17.00      
17 A 74 71 176.19      
18 A 57 55 20.53      

Unscaled Zero Point Vibrational Energy (zpe) 12544.8 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 12076.8 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 B3LYPultrafine/6-31+G**
ABC
0.67264 0.09545 0.08359

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.925 0.534 -0.000
O2 2.345 -0.338 -0.000
O3 -0.258 0.944 0.000
H4 3.298 -0.186 0.002
H5 -0.981 1.596 -0.000
C6 -0.815 -0.294 0.000
O7 -2.004 -0.497 -0.000
H8 -0.025 -1.055 0.000

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96762.22051.55033.09382.86214.06142.5154
O20.96762.90130.96433.84743.16034.35182.4766
O32.22052.90133.73060.97381.35822.26392.0129
H41.55030.96433.73064.63504.11385.31033.4344
H53.09383.84740.97384.63501.89772.32922.8183
C62.86213.16031.35824.11381.89771.20601.0966
O74.06144.35182.26395.31032.32921.20602.0559
H82.51542.47662.01293.43442.81831.09662.0559

picture of Water formic acid dimer 1 state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.373      
2 O -0.738      
3 O -0.480      
4 H 0.374      
5 H 0.381      
6 C 0.350      
7 O -0.437      
8 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.170 2.576 0.005 3.368
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000