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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-169.943834
Energy at 298.15K-169.950352
HF Energy-169.943834
Nuclear repulsion energy81.076894
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 HSEh1PBE/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 3607 3462 2.10      
2 A 3517 3376 1.95      
3 A 3498 3358 0.38      
4 A 3149 3023 29.23      
5 A 3047 2925 70.15      
6 A 1731 1661 28.40      
7 A 1550 1488 0.91      
8 A 1437 1379 21.36      
9 A 1415 1358 0.85      
10 A 1382 1326 7.00      
11 A 1179 1132 29.90      
12 A 1119 1074 41.19      
13 A 958 919 176.94      
14 A 904 868 6.28      
15 A 639 614 238.45      
16 A 452 434 69.47      
17 A 434 417 159.17      
18 A 323 310 98.64      

Unscaled Zero Point Vibrational Energy (zpe) 15168.6 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 14560.4 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 HSEh1PBE/3-21G*
ABC
1.28855 0.30568 0.27664

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.228 -0.172 -0.026
C2 -0.021 0.533 0.052
O3 -1.241 -0.254 -0.112
H4 1.376 -0.670 -0.901
H5 1.469 -0.736 0.786
H6 -0.030 1.086 1.001
H7 -0.075 1.252 -0.767
H8 -1.279 -0.897 0.643

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43592.47221.01751.01762.05442.06722.6939
C21.43591.46162.07482.08981.09851.09121.9943
O32.47221.46162.76522.89562.12172.01440.9926
H41.01752.07482.76521.69072.94592.41153.0794
H51.01762.08982.89561.69072.36952.95742.7561
H62.05441.09852.12172.94592.36951.77612.3711
H72.06721.09122.01442.41152.95741.77612.8385
H82.69391.99430.99263.07942.75612.37112.8385

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 117.131 N1 C2 H6 107.568
N1 C2 H7 109.011 C2 N1 H4 114.419
C2 N1 H5 115.762 C2 O3 H8 107.155
O3 C2 H6 111.153 O3 C2 H7 103.245
H4 N1 H5 112.357 H6 C2 H7 108.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.727      
2 C -0.062      
3 O -0.568      
4 H 0.297      
5 H 0.286      
6 H 0.204      
7 H 0.243      
8 H 0.327      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.852 -1.343 1.347 2.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.733 -1.609 -1.950
y -1.609 -16.590 -1.372
z -1.950 -1.372 -16.266
Traceless
 xyz
x -6.304 -1.609 -1.950
y -1.609 2.909 -1.372
z -1.950 -1.372 3.395
Polar
3z2-r26.791
x2-y2-6.142
xy-1.609
xz-1.950
yz-1.372


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.068 -0.101 -0.075
y -0.101 2.727 -0.267
z -0.075 -0.267 2.961


<r2> (average value of r2) Å2
<r2> 50.676
(<r2>)1/2 7.119