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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBE1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-170.955643
Energy at 298.15K-170.962176
HF Energy-170.955643
Nuclear repulsion energy82.523835
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 PBE1PBE/6-311+G(3df,2p)
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 3892 3892 25.92      
2 A 3638 3638 6.35      
3 A 3551 3551 2.15      
4 A 3114 3114 23.35      
5 A 3040 3040 50.38      
6 A 1662 1662 31.07      
7 A 1503 1503 0.23      
8 A 1421 1421 33.12      
9 A 1385 1385 1.14      
10 A 1368 1368 6.46      
11 A 1167 1167 46.32      
12 A 1115 1115 27.55      
13 A 1029 1029 218.59      
14 A 908 908 3.10      
15 A 795 795 154.79      
16 A 482 482 48.49      
17 A 393 393 83.09      
18 A 272 272 75.87      

Unscaled Zero Point Vibrational Energy (zpe) 15367.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15367.6 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 PBE1PBE/6-311+G(3df,2p)
ABC
1.30247 0.32088 0.28882

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.219 -0.158 -0.020
C2 -0.032 0.530 0.048
O3 -1.196 -0.262 -0.115
H4 1.298 -0.699 -0.871
H5 1.365 -0.776 0.767
H6 -0.071 1.075 0.997
H7 -0.078 1.257 -0.764
H8 -1.289 -0.837 0.646

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.42962.41931.01151.01112.05382.05912.6828
C21.42961.41762.03042.04321.09521.09051.9517
O32.41931.41762.64172.75682.07191.99460.9584
H41.01152.03042.64171.64082.91692.39423.0017
H51.01112.04322.75681.64082.35392.92582.6576
H62.05381.09522.07192.91692.35391.77012.2950
H72.05911.09051.99462.39422.92581.77012.8001
H82.68281.95170.95843.00172.65762.29502.8001

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.360 N1 C2 H6 108.146
N1 C2 H7 108.848 C2 N1 H4 111.414
C2 N1 H5 112.557 C2 O3 H8 108.915
O3 C2 H6 110.422 O3 C2 H7 104.604
H4 N1 H5 108.439 H6 C2 H7 108.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.825      
2 C 0.700      
3 O -0.599      
4 H 0.179      
5 H 0.173      
6 H 0.092      
7 H 0.091      
8 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.382 -1.033 1.249 1.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.718 -1.526 -1.991
y -1.526 -17.622 -1.464
z -1.991 -1.464 -16.847
Traceless
 xyz
x -6.483 -1.526 -1.991
y -1.526 2.660 -1.464
z -1.991 -1.464 3.823
Polar
3z2-r27.646
x2-y2-6.096
xy-1.526
xz-1.991
yz-1.464


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.907 0.033 -0.056
y 0.033 4.337 -0.041
z -0.056 -0.041 4.024


<r2> (average value of r2) Å2
<r2> 49.592
(<r2>)1/2 7.042