return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-171.006513
Energy at 298.15K-171.013123
HF Energy-171.006513
Nuclear repulsion energy82.168444
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 B3PW91/6-31G*
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 3774 3611 8.92      
2 A 3594 3438 0.62      
3 A 3502 3350 0.56      
4 A 3137 3001 34.12      
5 A 3045 2913 69.57      
6 A 1707 1633 25.87      
7 A 1526 1460 0.11      
8 A 1442 1380 45.74      
9 A 1405 1344 1.62      
10 A 1394 1333 3.22      
11 A 1178 1127 26.62      
12 A 1123 1074 26.04      
13 A 1037 992 244.47      
14 A 917 877 3.53      
15 A 853 816 169.88      
16 A 478 458 51.15      
17 A 429 410 118.51      
18 A 308 294 72.36      

Unscaled Zero Point Vibrational Energy (zpe) 15423.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14756.1 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 B3PW91/6-31G*
ABC
1.29375 0.31798 0.28637

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.230 -0.156 -0.020
C2 -0.032 0.531 0.048
O3 -1.201 -0.263 -0.117
H4 1.276 -0.712 -0.871
H5 1.346 -0.794 0.764
H6 -0.063 1.084 0.998
H7 -0.076 1.257 -0.768
H8 -1.286 -0.828 0.664

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43832.43511.01711.01722.06042.06442.6921
C21.43831.42272.02482.04141.09951.09341.9490
O32.43511.42272.62782.74732.08602.00000.9680
H41.01712.02482.62781.63802.91712.39072.9886
H51.01722.04142.74731.63802.35922.92852.6343
H62.06041.09952.08602.91712.35921.77502.2936
H72.06441.09342.00002.39072.92851.77502.8042
H82.69211.94900.96802.98862.63432.29362.8042

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.665 N1 C2 H6 107.809
N1 C2 H7 108.492 C2 N1 H4 109.911
C2 N1 H5 111.318 C2 O3 H8 107.700
O3 C2 H6 110.939 O3 C2 H7 104.527
H4 N1 H5 107.257 H6 C2 H7 108.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.727      
2 C -0.013      
3 O -0.615      
4 H 0.321      
5 H 0.307      
6 H 0.155      
7 H 0.183      
8 H 0.388      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.220 -1.284 1.316 1.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.303 -1.494 -2.030
y -1.494 -16.840 -1.416
z -2.030 -1.416 -16.400
Traceless
 xyz
x -6.683 -1.494 -2.030
y -1.494 3.011 -1.416
z -2.030 -1.416 3.672
Polar
3z2-r27.344
x2-y2-6.463
xy-1.494
xz-2.030
yz-1.416


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.394 -0.121 -0.090
y -0.121 3.204 -0.184
z -0.090 -0.184 3.309


<r2> (average value of r2) Å2
<r2> 49.496
(<r2>)1/2 7.035