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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-168.754836
Energy at 298.15K-168.761264
HF Energy-168.754836
Nuclear repulsion energy79.623302
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/STO-3G
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 3725 3297 39.95      
2 A 3695 3270 10.46      
3 A 3508 3105 15.29      
4 A 3419 3025 1.66      
5 A 3286 2908 14.94      
6 A 1867 1653 4.29      
7 A 1630 1442 0.42      
8 A 1586 1403 13.24      
9 A 1495 1323 1.15      
10 A 1473 1304 21.04      
11 A 1238 1096 0.64      
12 A 1193 1056 6.45      
13 A 1105 978 70.38      
14 A 941 832 11.05      
15 A 916 811 79.12      
16 A 448 397 39.03      
17 A 405 358 81.87      
18 A 326 289 35.72      

Unscaled Zero Point Vibrational Energy (zpe) 16127.3 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 14272.7 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 B3PW91/STO-3G
ABC
1.19945 0.30086 0.26988

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.287 -0.156 -0.014
C2 -0.044 0.557 0.054
O3 -1.233 -0.275 -0.130
H4 1.241 -0.728 -0.905
H5 1.244 -0.904 0.736
H6 -0.064 1.111 1.021
H7 -0.065 1.294 -0.775
H8 -1.241 -0.823 0.737

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.51112.52501.05941.06042.12192.12332.7205
C21.51111.46262.05462.06321.11471.10981.9503
O32.52501.46262.63142.69792.14742.05961.0255
H41.05942.05462.63141.65042.96562.41062.9776
H51.06042.06322.69791.65042.41892.97112.4865
H62.12191.11472.14742.96562.41891.80572.2816
H72.12331.10982.05962.41062.97111.80572.8551
H82.72051.95031.02552.97762.48652.28162.8551

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.215 N1 C2 H6 106.851
N1 C2 H7 107.228 C2 N1 H4 104.752
C2 N1 H5 105.356 C2 O3 H8 101.790
O3 C2 H6 112.151 O3 C2 H7 105.561
H4 N1 H5 102.258 H6 C2 H7 108.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.372      
2 C -0.007      
3 O -0.250      
4 H 0.158      
5 H 0.146      
6 H 0.074      
7 H 0.088      
8 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.400 -1.159 0.960 1.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.250 -1.375 -1.679
y -1.375 -15.717 -0.940
z -1.679 -0.940 -15.686
Traceless
 xyz
x -6.549 -1.375 -1.679
y -1.375 3.251 -0.940
z -1.679 -0.940 3.298
Polar
3z2-r26.596
x2-y2-6.534
xy-1.375
xz-1.679
yz-0.940


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.852 -0.035 -0.128
y -0.035 1.834 -0.271
z -0.128 -0.271 1.986


<r2> (average value of r2) Å2
<r2> 50.836
(<r2>)1/2 7.130