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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-171.024901
Energy at 298.15K-171.031517
HF Energy-171.024901
Nuclear repulsion energy82.162563
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3795 3663 15.06      
2 A 3569 3444 0.82      
3 A 3485 3363 0.50      
4 A 3107 2998 33.08      
5 A 3015 2910 71.05      
6 A 1654 1596 18.58      
7 A 1478 1427 0.11      
8 A 1417 1367 46.52      
9 A 1380 1332 2.30      
10 A 1367 1319 1.60      
11 A 1169 1128 32.27      
12 A 1119 1080 24.73      
13 A 1034 998 224.72      
14 A 910 878 3.39      
15 A 851 821 136.10      
16 A 479 462 48.43      
17 A 419 405 98.07      
18 A 307 297 59.18      

Unscaled Zero Point Vibrational Energy (zpe) 15277.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14743.1 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 B3PW91/cc-pVDZ
ABC
1.28472 0.31950 0.28711

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.229 -0.155 -0.021
C2 -0.032 0.532 0.048
O3 -1.199 -0.263 -0.115
H4 1.260 -0.726 -0.867
H5 1.332 -0.800 0.763
H6 -0.062 1.093 1.002
H7 -0.080 1.265 -0.773
H8 -1.265 -0.840 0.659

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43772.43191.02161.02152.06602.07132.6742
C21.43771.42102.02302.03681.10681.10071.9430
O32.43191.42102.61332.73202.09202.00460.9674
H41.02162.02302.61331.63412.92422.40162.9530
H51.02152.03682.73201.63412.36292.93512.5990
H62.06601.10682.09202.92422.36291.78272.3021
H72.07131.10072.00462.40162.93511.78272.8076
H82.67421.94300.96742.95302.59902.30212.8076

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.579 N1 C2 H6 107.864
N1 C2 H7 108.641 C2 N1 H4 109.522
C2 N1 H5 110.698 C2 O3 H8 107.357
O3 C2 H6 111.099 O3 C2 H7 104.583
H4 N1 H5 106.222 H6 C2 H7 107.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.218      
2 C 0.118      
3 O -0.288      
4 H 0.090      
5 H 0.080      
6 H 0.034      
7 H 0.054      
8 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.269 -1.176 1.203 1.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.895 -1.285 -1.824
y -1.285 -16.835 -1.326
z -1.824 -1.326 -16.544
Traceless
 xyz
x -6.205 -1.285 -1.824
y -1.285 2.885 -1.326
z -1.824 -1.326 3.321
Polar
3z2-r26.642
x2-y2-6.060
xy-1.285
xz-1.824
yz-1.326


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.539 -0.111 -0.100
y -0.111 3.412 -0.166
z -0.100 -0.166 3.387


<r2> (average value of r2) Å2
<r2> 49.341
(<r2>)1/2 7.024