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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBE1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBE1PBE/6-31+G**
 hartrees
Energy at 0K-170.903223
Energy at 298.15K-170.909791
HF Energy-170.903223
Nuclear repulsion energy82.287864
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/6-31+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 3884 3710 24.18      
2 A 3670 3505 7.72      
3 A 3568 3409 1.68      
4 A 3149 3008 25.14      
5 A 3063 2926 55.73      
6 A 1678 1603 41.06      
7 A 1506 1438 0.17      
8 A 1425 1361 40.89      
9 A 1388 1326 1.73      
10 A 1365 1304 4.90      
11 A 1167 1115 64.60      
12 A 1116 1066 26.19      
13 A 1030 984 237.64      
14 A 908 868 3.28      
15 A 792 756 184.67      
16 A 483 462 51.82      
17 A 414 396 104.94      
18 A 292 279 96.38      

Unscaled Zero Point Vibrational Energy (zpe) 15448.0 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 14757.5 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 PBE1PBE/6-31+G**
ABC
1.30028 0.31837 0.28703

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.221 -0.159 -0.019
C2 -0.031 0.530 0.048
O3 -1.201 -0.262 -0.116
H4 1.311 -0.692 -0.877
H5 1.380 -0.775 0.770
H6 -0.068 1.076 1.000
H7 -0.077 1.256 -0.767
H8 -1.303 -0.834 0.651

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43092.42651.01341.01302.05642.06132.6972
C21.43091.42292.03692.05241.09781.09261.9601
O32.42651.42292.65952.77652.07891.99770.9628
H41.01342.03692.65951.65012.92412.39463.0309
H51.01302.05242.77651.65012.36132.93402.6857
H62.05641.09782.07892.92412.36131.77582.3010
H72.06131.09261.99772.39462.93401.77582.8073
H82.69721.96010.96283.03092.68572.30102.8073

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.481 N1 C2 H6 108.094
N1 C2 H7 108.801 C2 N1 H4 111.749
C2 N1 H5 113.124 C2 O3 H8 108.965
O3 C2 H6 110.455 O3 C2 H7 104.388
H4 N1 H5 109.042 H6 C2 H7 108.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.663      
2 C -0.094      
3 O -0.502      
4 H 0.311      
5 H 0.297      
6 H 0.145      
7 H 0.165      
8 H 0.341      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.426 -1.141 1.402 1.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.173 -1.697 -2.231
y -1.697 -17.612 -1.551
z -2.231 -1.551 -16.803
Traceless
 xyz
x -6.966 -1.697 -2.231
y -1.697 2.876 -1.551
z -2.231 -1.551 4.090
Polar
3z2-r28.179
x2-y2-6.561
xy-1.697
xz-2.231
yz-1.551


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.507 0.034 -0.043
y 0.034 3.945 -0.044
z -0.043 -0.044 3.693


<r2> (average value of r2) Å2
<r2> 49.938
(<r2>)1/2 7.067