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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: TPSSh/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 TPSSh/6-31+G**
 hartrees
Energy at 0K-171.095955
Energy at 298.15K-171.102501
HF Energy-171.095955
Nuclear repulsion energy81.728405
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/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 3785 3643 14.49      
2 A 3600 3465 2.97      
3 A 3504 3372 0.77      
4 A 3141 3023 27.27      
5 A 3052 2937 58.07      
6 A 1682 1619 34.79      
7 A 1517 1461 0.02      
8 A 1421 1368 38.45      
9 A 1387 1335 2.37      
10 A 1356 1305 3.29      
11 A 1147 1104 43.56      
12 A 1088 1047 30.27      
13 A 974 938 268.52      
14 A 899 865 3.18      
15 A 799 769 172.36      
16 A 469 451 46.34      
17 A 415 399 104.36      
18 A 296 285 90.55      

Unscaled Zero Point Vibrational Energy (zpe) 15265.0 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 14692.6 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/6-31+G**
ABC
1.28642 0.31314 0.28242

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.232 -0.162 -0.019
C2 -0.026 0.536 0.049
O3 -1.212 -0.263 -0.118
H4 1.311 -0.701 -0.877
H5 1.378 -0.785 0.771
H6 -0.065 1.077 1.001
H7 -0.075 1.253 -0.772
H8 -1.319 -0.827 0.663

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44042.44881.01691.01682.06362.06792.7236
C21.44041.44012.04372.05851.09621.09091.9768
O32.44881.44012.67132.78772.08962.00520.9690
H41.01692.04372.67131.65172.93012.39803.0503
H51.01682.05852.78771.65172.36692.94002.6995
H62.06361.09622.08962.93012.36691.78202.3056
H72.06791.09092.00522.39802.94001.78202.8168
H82.72361.97680.96903.05032.69952.30562.8168

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.449 N1 C2 H6 108.114
N1 C2 H7 108.772 C2 N1 H4 111.369
C2 N1 H5 112.667 C2 O3 H8 108.702
O3 C2 H6 110.210 O3 C2 H7 103.936
H4 N1 H5 108.611 H6 C2 H7 109.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.642      
2 C -0.088      
3 O -0.499      
4 H 0.306      
5 H 0.291      
6 H 0.138      
7 H 0.158      
8 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.430 -1.083 1.400 1.821
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 4.713 0.041 -0.047
y 0.041 4.023 -0.047
z -0.047 -0.047 3.779


<r2> (average value of r2) Å2
<r2> 50.522
(<r2>)1/2 7.108