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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-170.061862
Energy at 298.15K-170.068377
HF Energy-170.061862
Nuclear repulsion energy80.875893
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 B3PW91/3-21G
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 3587 3448 1.41      
2 A 3498 3362 2.79      
3 A 3480 3345 0.30      
4 A 3136 3014 30.10      
5 A 3032 2915 72.46      
6 A 1725 1658 27.11      
7 A 1544 1484 0.88      
8 A 1431 1376 20.43      
9 A 1409 1354 1.08      
10 A 1375 1322 6.85      
11 A 1172 1127 27.26      
12 A 1107 1064 42.22      
13 A 942 906 175.92      
14 A 900 865 6.45      
15 A 636 611 240.77      
16 A 452 435 69.76      
17 A 433 416 153.04      
18 A 322 309 97.56      

Unscaled Zero Point Vibrational Energy (zpe) 15089.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 14504.3 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 B3PW91/3-21G
ABC
1.28666 0.30345 0.27487

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.233 -0.172 -0.026
C2 -0.020 0.533 0.052
O3 -1.246 -0.254 -0.113
H4 1.380 -0.670 -0.902
H5 1.470 -0.740 0.786
H6 -0.030 1.087 1.002
H7 -0.074 1.252 -0.768
H8 -1.288 -0.891 0.650

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43942.48171.01881.01892.05762.06972.7072
C21.43941.46682.07792.09291.09911.09161.9984
O32.48171.46682.77322.90222.12622.01780.9941
H41.01882.07792.77321.69162.94932.41343.0943
H51.01892.09292.90221.69162.37382.96072.7661
H62.05761.09912.12622.94932.37381.77782.3703
H72.06971.09162.01782.41342.96071.77782.8415
H82.70721.99840.99413.09432.76612.37032.8415

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 117.285 N1 C2 H6 107.545
N1 C2 H7 108.946 C2 N1 H4 114.324
C2 N1 H5 115.659 C2 O3 H8 107.027
O3 C2 H6 111.107 O3 C2 H7 103.143
H4 N1 H5 112.231 H6 C2 H7 108.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.720      
2 C -0.066      
3 O -0.563      
4 H 0.295      
5 H 0.284      
6 H 0.203      
7 H 0.241      
8 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.839 -1.340 1.351 2.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.677 -1.621 -1.985
y -1.621 -16.576 -1.375
z -1.985 -1.375 -16.221
Traceless
 xyz
x -6.278 -1.621 -1.985
y -1.621 2.873 -1.375
z -1.985 -1.375 3.405
Polar
3z2-r26.810
x2-y2-6.101
xy-1.621
xz-1.985
yz-1.375


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.110 -0.101 -0.080
y -0.101 2.735 -0.267
z -0.080 -0.267 2.983


<r2> (average value of r2) Å2
<r2> 50.880
(<r2>)1/2 7.133