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: mPW1PW91/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 mPW1PW91/STO-3G
 hartrees
Energy at 0K-168.778306
Energy at 298.15K-168.784754
HF Energy-168.778306
Nuclear repulsion energy79.879711
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 mPW1PW91/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 3775 3318 37.42      
2 A 3737 3285 9.16      
3 A 3550 3120 13.54      
4 A 3447 3030 1.49      
5 A 3315 2913 14.00      
6 A 1880 1652 4.61      
7 A 1642 1443 0.39      
8 A 1598 1404 13.73      
9 A 1506 1323 1.14      
10 A 1485 1305 21.62      
11 A 1248 1097 0.58      
12 A 1205 1059 5.16      
13 A 1124 988 72.22      
14 A 948 833 13.12      
15 A 931 818 76.53      
16 A 453 398 38.10      
17 A 405 356 85.43      
18 A 327 287 36.27      

Unscaled Zero Point Vibrational Energy (zpe) 16287.4 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 14315.0 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 mPW1PW91/STO-3G
ABC
1.20338 0.30335 0.27190

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.281 -0.156 -0.014
C2 -0.044 0.556 0.054
O3 -1.228 -0.275 -0.129
H4 1.239 -0.724 -0.904
H5 1.241 -0.901 0.735
H6 -0.065 1.110 1.019
H7 -0.065 1.293 -0.773
H8 -1.235 -0.825 0.732

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.50552.51401.05621.05722.11712.11792.7083
C21.50551.45802.05012.05871.11261.10791.9459
O32.51401.45802.62442.68952.14142.05511.0217
H41.05622.05012.62441.64792.96002.40502.9679
H51.05722.05872.68951.64792.41482.96512.4776
H62.11711.11262.14142.96002.41481.80192.2788
H72.11791.10792.05512.40502.96511.80192.8494
H82.70831.94591.02172.96792.47762.27882.8494

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.045 N1 C2 H6 106.963
N1 C2 H7 107.291 C2 N1 H4 104.952
C2 N1 H5 105.559 C2 O3 H8 101.946
O3 C2 H6 112.128 O3 C2 H7 105.630
H4 N1 H5 102.467 H6 C2 H7 108.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.376      
2 C -0.004      
3 O -0.255      
4 H 0.159      
5 H 0.147      
6 H 0.074      
7 H 0.089      
8 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.386 -1.161 0.965 1.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.272 -1.378 -1.689
y -1.378 -15.703 -0.947
z -1.689 -0.947 -15.680
Traceless
 xyz
x -6.581 -1.378 -1.689
y -1.378 3.273 -0.947
z -1.689 -0.947 3.307
Polar
3z2-r26.615
x2-y2-6.569
xy-1.378
xz-1.689
yz-0.947


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.806 -0.035 -0.125
y -0.035 1.821 -0.272
z -0.125 -0.272 1.970


<r2> (average value of r2) Å2
<r2> 50.565
(<r2>)1/2 7.111