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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-171.033996
Energy at 298.15K-171.040548
HF Energy-171.033996
Nuclear repulsion energy82.093801
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 B3PW91/6-31+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 3853 3699 21.07      
2 A 3646 3501 6.28      
3 A 3547 3405 1.24      
4 A 3137 3012 26.08      
5 A 3051 2929 57.49      
6 A 1673 1607 39.29      
7 A 1503 1443 0.13      
8 A 1420 1364 39.05      
9 A 1383 1328 1.80      
10 A 1358 1304 5.05      
11 A 1158 1112 54.74      
12 A 1104 1060 29.23      
13 A 1009 969 247.16      
14 A 905 869 3.39      
15 A 788 756 182.94      
16 A 480 460 50.04      
17 A 412 396 104.24      
18 A 291 279 95.73      

Unscaled Zero Point Vibrational Energy (zpe) 15358.8 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 14746.0 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 B3PW91/6-31+G**
ABC
1.29664 0.31641 0.28534

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.225 -0.160 -0.019
C2 -0.030 0.531 0.049
O3 -1.205 -0.262 -0.117
H4 1.315 -0.692 -0.878
H5 1.382 -0.778 0.769
H6 -0.067 1.077 1.001
H7 -0.076 1.257 -0.767
H8 -1.310 -0.833 0.654

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43412.43431.01431.01402.05902.06412.7074
C21.43411.42822.04042.05601.09781.09261.9662
O32.43431.42822.66732.78322.08262.00160.9645
H41.01432.04042.66731.65072.92722.39753.0420
H51.01402.05602.78321.65072.36522.93742.6950
H62.05901.09782.08262.92722.36521.77682.3042
H72.06411.09262.00162.39752.93741.77682.8120
H82.70741.96620.96453.04202.69502.30422.8120

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.527 N1 C2 H6 108.089
N1 C2 H7 108.805 C2 N1 H4 111.748
C2 N1 H5 113.129 C2 O3 H8 108.977
O3 C2 H6 110.380 O3 C2 H7 104.333
H4 N1 H5 108.948 H6 C2 H7 108.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.651      
2 C -0.086      
3 O -0.501      
4 H 0.307      
5 H 0.293      
6 H 0.140      
7 H 0.160      
8 H 0.338      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.435 -1.130 1.401 1.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.134 -1.701 -2.251
y -1.701 -17.563 -1.549
z -2.251 -1.549 -16.764
Traceless
 xyz
x -6.970 -1.701 -2.251
y -1.701 2.886 -1.549
z -2.251 -1.549 4.084
Polar
3z2-r28.168
x2-y2-6.571
xy-1.701
xz-2.251
yz-1.549


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.543 0.034 -0.044
y 0.034 3.954 -0.045
z -0.044 -0.045 3.706


<r2> (average value of r2) Å2
<r2> 50.114
(<r2>)1/2 7.079