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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B2PLYP/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 B2PLYP/6-31+G**
 hartrees
Energy at 0K-170.926386
Energy at 298.15K-170.932952
HF Energy-170.757782
Nuclear repulsion energy81.951443
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 B2PLYP/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 3845 3662 21.79      
2 A 3659 3485 6.56      
3 A 3557 3388 1.62      
4 A 3179 3028 25.60      
5 A 3091 2944 53.16      
6 A 1692 1612 39.13      
7 A 1532 1459 0.05      
8 A 1438 1369 40.83      
9 A 1400 1333 1.62      
10 A 1371 1306 4.43      
11 A 1164 1108 50.01      
12 A 1105 1052 30.52      
13 A 998 950 263.37      
14 A 915 872 2.73      
15 A 805 767 173.04      
16 A 479 456 50.48      
17 A 412 392 105.84      
18 A 294 280 94.01      

Unscaled Zero Point Vibrational Energy (zpe) 15467.7 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 14731.5 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 B2PLYP/6-31+G**
ABC
1.28949 0.31532 0.28405

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.227 -0.162 -0.020
C2 -0.027 0.536 0.049
O3 -1.209 -0.262 -0.116
H4 1.309 -0.698 -0.876
H5 1.381 -0.776 0.771
H6 -0.065 1.075 0.999
H7 -0.076 1.254 -0.768
H8 -1.306 -0.839 0.652

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43722.44011.01351.01322.05942.06512.7070
C21.43721.43592.04092.05631.09361.08851.9727
O32.44011.43592.66642.78582.08362.00210.9654
H41.01352.04092.66641.65072.92462.39663.0326
H51.01322.05632.78581.65072.36072.93532.6909
H62.05941.09362.08362.92462.36071.77662.3074
H72.06511.08852.00212.39662.93531.77662.8127
H82.70701.97270.96543.03262.69092.30742.8127

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.263 N1 C2 H6 108.153
N1 C2 H7 108.909 C2 N1 H4 111.601
C2 N1 H5 112.957 C2 O3 H8 108.891
O3 C2 H6 110.184 O3 C2 H7 104.103
H4 N1 H5 109.069 H6 C2 H7 109.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.661      
2 C 0.007      
3 O -0.529      
4 H 0.299      
5 H 0.284      
6 H 0.123      
7 H 0.142      
8 H 0.334      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.462 -1.097 1.419 1.852
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.661 -1.706 -2.225
y -1.706 -17.802 -1.555
z -2.225 -1.555 -17.021
Traceless
 xyz
x -7.250 -1.706 -2.225
y -1.706 3.039 -1.555
z -2.225 -1.555 4.211
Polar
3z2-r28.421
x2-y2-6.859
xy-1.706
xz-2.225
yz-1.555


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.567 0.054 -0.040
y 0.054 3.949 -0.044
z -0.040 -0.044 3.695


<r2> (average value of r2) Å2
<r2> 50.446
(<r2>)1/2 7.103