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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: TPSSh/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 TPSSh/STO-3G
 hartrees
Energy at 0K-168.836784
Energy at 298.15K-168.843195
HF Energy-168.836784
Nuclear repulsion energy79.154611
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 TPSSh/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 3641 3641 50.68      
2 A 3623 3623 15.45      
3 A 3440 3440 21.12      
4 A 3404 3404 2.10      
5 A 3269 3269 14.98      
6 A 1866 1866 2.81      
7 A 1630 1630 0.87      
8 A 1580 1580 12.30      
9 A 1490 1490 1.10      
10 A 1462 1462 24.80      
11 A 1226 1226 0.14      
12 A 1194 1194 11.39      
13 A 1080 1080 62.95      
14 A 929 929 16.44      
15 A 912 912 59.93      
16 A 436 436 47.15      
17 A 409 409 61.66      
18 A 326 326 35.43      

Unscaled Zero Point Vibrational Energy (zpe) 15958.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15958.9 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 TPSSh/STO-3G
ABC
1.18977 0.29665 0.26627

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.299 -0.156 -0.014
C2 -0.044 0.560 0.054
O3 -1.241 -0.276 -0.131
H4 1.234 -0.738 -0.905
H5 1.237 -0.912 0.736
H6 -0.063 1.115 1.023
H7 -0.065 1.294 -0.780
H8 -1.245 -0.820 0.748

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.52412.54601.06631.06742.13202.13312.7379
C21.52411.47162.05922.06731.11621.11111.9563
O32.54601.47162.63442.70112.15682.06601.0330
H41.06632.05922.63441.65082.97192.41532.9809
H51.06742.06732.70111.65082.42442.97672.4838
H62.13201.11622.15682.97192.42441.81172.2835
H72.13311.11112.06602.41532.97671.81172.8623
H82.73791.95631.03302.98092.48382.28352.8623

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.388 N1 C2 H6 106.684
N1 C2 H7 107.048 C2 N1 H4 103.897
C2 N1 H5 104.447 C2 O3 H8 101.278
O3 C2 H6 112.178 O3 C2 H7 105.398
H4 N1 H5 101.370 H6 C2 H7 108.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.351      
2 C 0.008      
3 O -0.236      
4 H 0.147      
5 H 0.135      
6 H 0.065      
7 H 0.078      
8 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.449 -1.119 0.921 1.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.925 -0.036 -0.134
y -0.036 1.885 -0.277
z -0.134 -0.277 2.044


<r2> (average value of r2) Å2
<r2> 51.359
(<r2>)1/2 7.167