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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-170.120970
Energy at 298.15K-170.127488
HF Energy-170.120970
Nuclear repulsion energy80.693966
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/3-21G
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 3540 3415 0.22      
2 A 3440 3320 4.40      
3 A 3438 3318 1.72      
4 A 3128 3018 29.92      
5 A 3028 2922 72.28      
6 A 1728 1667 22.53      
7 A 1550 1495 0.48      
8 A 1433 1383 23.52      
9 A 1409 1359 0.86      
10 A 1377 1328 5.57      
11 A 1170 1129 22.09      
12 A 1090 1052 40.70      
13 A 929 896 173.47      
14 A 901 870 4.04      
15 A 650 627 234.64      
16 A 447 431 56.73      
17 A 431 416 164.58      
18 A 328 316 77.72      

Unscaled Zero Point Vibrational Energy (zpe) 15007.5 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 14480.7 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 B3LYPultrafine/3-21G
ABC
1.27541 0.30266 0.27366

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.237 -0.171 -0.026
C2 -0.019 0.538 0.052
O3 -1.248 -0.255 -0.112
H4 1.367 -0.684 -0.899
H5 1.459 -0.749 0.786
H6 -0.029 1.091 1.001
H7 -0.074 1.253 -0.770
H8 -1.284 -0.897 0.650

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44512.48811.02081.02112.06192.07382.7092
C21.44511.47152.07842.09301.09791.09062.0040
O32.48811.47152.76382.89442.12972.02050.9976
H41.02082.07842.76381.68872.95112.41753.0772
H51.02112.09302.89441.68872.37632.96292.7498
H62.06191.09792.12972.95112.37631.77862.3767
H72.07381.09062.02052.41752.96291.77862.8462
H82.70922.00400.99763.07722.74982.37672.8462

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 117.093 N1 C2 H6 107.566
N1 C2 H7 108.935 C2 N1 H4 113.777
C2 N1 H5 115.051 C2 O3 H8 106.933
O3 C2 H6 111.131 O3 C2 H7 103.100
H4 N1 H5 111.590 H6 C2 H7 108.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.680      
2 C -0.026      
3 O -0.548      
4 H 0.277      
5 H 0.265      
6 H 0.182      
7 H 0.219      
8 H 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.780 -1.320 1.314 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.874 -1.591 -1.904
y -1.591 -16.631 -1.333
z -1.904 -1.333 -16.383
Traceless
 xyz
x -6.367 -1.591 -1.904
y -1.591 2.998 -1.333
z -1.904 -1.333 3.369
Polar
3z2-r26.738
x2-y2-6.243
xy-1.591
xz-1.904
yz-1.333


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.134 -0.096 -0.085
y -0.096 2.785 -0.278
z -0.085 -0.278 3.012


<r2> (average value of r2) Å2
<r2> 51.084
(<r2>)1/2 7.147