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All results from a given calculation for H2ONH3 (Water Ammonia Dimer)

using model chemistry: HF_cp_opt/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF_cp_opt/6-311+G(3df,2pd)
 hartrees
Energy at 0K-132.285793
Energy at 298.15K-132.289936
Nuclear repulsion energy12.104097
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 HF_cp_opt/6-311+G(3df,2pd)
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' 4222 3842 113.31      
2 A' 4041 3678 326.97      
3 A' 3814 3471 10.80      
4 A' 3691 3359 0.02      
5 A' 1788 1627 9.00      
6 A' 1776 1616 83.54      
7 A' 1156 1052 195.44      
8 A' 401 365 94.53      
9 A' 168 153 52.28      
10 A' 141 129 7.13      
11 A" 3811 3468 12.16      
12 A" 1786 1625 22.28      
13 A" 620 564 146.96      
14 A" 164 150 43.95      
15 A" 16 15 80.25      

Unscaled Zero Point Vibrational Energy (zpe) 13797.5 cm-1
Scaled (by 0.91) Zero Point Vibrational Energy (zpe) 12555.7 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 HF_cp_opt/6-311+G(3df,2pd)
ABC
5.10586 0.18988 0.18845

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF_cp_opt/6-311+G(3df,2pd)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.055 0.693 0.000
O2 -0.036 1.635 0.000
N3 -0.036 -1.471 0.000
H4 0.835 1.987 0.000
H5 0.795 -2.026 0.000
H6 -0.570 -1.718 0.808
H7 -0.570 -1.718 -0.808

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.94692.16611.51082.81742.61822.6182
O20.94693.10670.93913.75423.49033.4903
N32.16613.10673.56620.99900.99930.9993
H41.51080.93913.56624.01274.04374.0437
H52.81743.75420.99904.01271.61601.6160
H62.61823.49030.99934.04371.61601.6156
H72.61823.49030.99934.04371.61601.6156

picture of Water Ammonia Dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 106.459 H1 N3 H5 121.288
H1 N3 H6 105.600 H1 N3 H7 105.600
O2 H1 N3 172.070 H5 N3 H6 107.932
H5 N3 H7 107.932 H6 N3 H7 107.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF_cp_opt/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 N -0.210      
4 H 0.000      
5 H 0.070      
6 H 0.070      
7 H 0.070      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.280 -3.128 0.000 3.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.276 -0.031 0.000
y -0.031 -4.289 0.000
z 0.000 0.000 -6.169
Traceless
 xyz
x -1.047 -0.031 0.000
y -0.031 1.934 0.000
z 0.000 0.000 -0.887
Polar
3z2-r2-1.773
x2-y2-1.987
xy-0.031
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.712 0.022 0.000
y 0.022 1.804 0.000
z 0.000 0.000 1.707


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