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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-168.742978
Energy at 298.15K-168.749415
HF Energy-168.742978
Nuclear repulsion energy79.939087
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 B1B95/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 3758 3319 37.10      
2 A 3726 3290 8.50      
3 A 3539 3125 13.09      
4 A 3436 3034 1.39      
5 A 3305 2918 13.77      
6 A 1870 1651 4.66      
7 A 1633 1442 0.37      
8 A 1588 1402 13.76      
9 A 1496 1321 1.28      
10 A 1477 1305 21.21      
11 A 1240 1095 0.61      
12 A 1198 1058 4.51      
13 A 1119 988 71.69      
14 A 941 831 10.72      
15 A 919 812 82.32      
16 A 451 398 42.37      
17 A 404 357 82.32      
18 A 327 289 36.38      

Unscaled Zero Point Vibrational Energy (zpe) 16214.2 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 14317.2 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 B1B95/STO-3G
ABC
1.20602 0.30375 0.27234

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.279 -0.156 -0.014
C2 -0.043 0.555 0.054
O3 -1.227 -0.274 -0.129
H4 1.242 -0.722 -0.905
H5 1.243 -0.901 0.734
H6 -0.065 1.108 1.019
H7 -0.064 1.292 -0.772
H8 -1.235 -0.826 0.730

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.50332.51181.05581.05682.11462.11552.7066
C21.50331.45672.04972.05821.11211.10741.9454
O32.51181.45672.62592.69022.14022.05351.0219
H41.05582.04972.62591.64852.95892.40352.9694
H51.05682.05822.69021.64852.41392.96402.4785
H62.11461.11212.14022.95892.41391.80062.2791
H72.11551.10742.05352.40352.96401.80062.8485
H82.70661.94541.02192.96942.47852.27912.8485

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.104 N1 C2 H6 106.944
N1 C2 H7 107.284 C2 N1 H4 105.093
C2 N1 H5 105.697 C2 O3 H8 101.985
O3 C2 H6 112.148 O3 C2 H7 105.615
H4 N1 H5 102.582 H6 C2 H7 108.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.378      
2 C 0.001      
3 O -0.258      
4 H 0.160      
5 H 0.148      
6 H 0.073      
7 H 0.088      
8 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.377 -1.167 0.965 1.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.268 -1.381 -1.698
y -1.381 -15.701 -0.951
z -1.698 -0.951 -15.678
Traceless
 xyz
x -6.578 -1.381 -1.698
y -1.381 3.272 -0.951
z -1.698 -0.951 3.307
Polar
3z2-r26.613
x2-y2-6.566
xy-1.381
xz-1.698
yz-0.951


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.812 -0.037 -0.127
y -0.037 1.830 -0.274
z -0.127 -0.274 1.980


<r2> (average value of r2) Å2
<r2> 50.511
(<r2>)1/2 7.107