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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-171.052200
Energy at 298.15K-171.058840
HF Energy-171.052200
Nuclear repulsion energy82.265924
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 B3PW91/6-311G*
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 3801 3659 5.55      
2 A 3602 3467 0.36      
3 A 3517 3386 0.93      
4 A 3125 3008 34.96      
5 A 3032 2919 73.17      
6 A 1722 1657 35.80      
7 A 1511 1454 0.27      
8 A 1441 1388 43.84      
9 A 1405 1353 2.25      
10 A 1389 1337 2.92      
11 A 1178 1134 31.14      
12 A 1114 1073 28.14      
13 A 1022 984 257.26      
14 A 920 886 3.17      
15 A 841 810 173.70      
16 A 481 463 54.85      
17 A 435 419 124.99      
18 A 318 307 78.28      

Unscaled Zero Point Vibrational Energy (zpe) 15427.5 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 14852.0 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 B3PW91/6-311G*
ABC
1.29646 0.31857 0.28675

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.226 -0.158 -0.021
C2 -0.031 0.532 0.047
O3 -1.201 -0.262 -0.114
H4 1.281 -0.714 -0.867
H5 1.361 -0.779 0.769
H6 -0.062 1.082 0.996
H7 -0.079 1.255 -0.769
H8 -1.286 -0.836 0.654

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43552.43131.01381.01382.05742.06342.6882
C21.43551.42322.02672.04381.09751.09111.9531
O32.43131.42322.63252.75912.08251.99760.9626
H41.01382.02672.63251.63932.91562.39462.9860
H51.01382.04382.75911.63932.35402.92802.6505
H62.05741.09752.08252.91562.35401.77292.3011
H72.06341.09111.99762.39462.92801.77292.8026
H82.68821.95310.96262.98602.65052.30112.8026

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.524 N1 C2 H6 107.881
N1 C2 H7 108.737 C2 N1 H4 110.499
C2 N1 H5 111.959 C2 O3 H8 108.348
O3 C2 H6 110.751 O3 C2 H7 104.439
H4 N1 H5 107.903 H6 C2 H7 108.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.744      
2 C -0.120      
3 O -0.558      
4 H 0.322      
5 H 0.308      
6 H 0.203      
7 H 0.225      
8 H 0.364      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.324 -1.272 1.389 1.911
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.682 -1.488 -2.074
y -1.488 -17.089 -1.456
z -2.074 -1.456 -16.494
Traceless
 xyz
x -6.891 -1.488 -2.074
y -1.488 2.999 -1.456
z -2.074 -1.456 3.891
Polar
3z2-r27.783
x2-y2-6.593
xy-1.488
xz-2.074
yz-1.456


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.684 -0.070 -0.096
y -0.070 3.430 -0.166
z -0.096 -0.166 3.428


<r2> (average value of r2) Å2
<r2> 49.607
(<r2>)1/2 7.043