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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-171.013863
Energy at 298.15K-171.020444
HF Energy-171.013863
Nuclear repulsion energy82.640186
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 B1B95/6-31G(2df,p)
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 3878 3714 15.93      
2 A 3635 3481 1.99      
3 A 3546 3396 0.49      
4 A 3123 2991 30.21      
5 A 3040 2912 61.24      
6 A 1671 1600 22.17      
7 A 1506 1442 0.07      
8 A 1430 1370 41.68      
9 A 1392 1334 1.03      
10 A 1381 1323 4.00      
11 A 1176 1126 27.43      
12 A 1126 1078 27.77      
13 A 1048 1004 206.15      
14 A 911 873 3.00      
15 A 837 801 150.01      
16 A 479 459 47.09      
17 A 405 388 98.19      
18 A 293 280 57.61      

Unscaled Zero Point Vibrational Energy (zpe) 15437.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 14784.6 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 B1B95/6-31G(2df,p)
ABC
1.29842 0.32293 0.29004

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.222 -0.155 -0.022
C2 -0.035 0.531 0.047
O3 -1.192 -0.263 -0.113
H4 1.260 -0.718 -0.862
H5 1.338 -0.782 0.764
H6 -0.065 1.085 0.993
H7 -0.081 1.256 -0.768
H8 -1.259 -0.841 0.648

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43352.41781.01191.01172.05532.06052.6593
C21.43351.41262.01582.03051.09641.09141.9346
O32.41781.41262.60392.72752.07571.99240.9582
H41.01192.01582.60391.62922.90642.38832.9395
H51.01172.03052.72751.62922.34652.91772.6000
H62.05531.09642.07572.90642.34651.76912.2915
H72.06051.09141.99242.38832.91771.76912.7909
H82.65931.93460.95822.93952.60002.29152.7909

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.314 N1 C2 H6 107.916
N1 C2 H7 108.631 C2 N1 H4 109.834
C2 N1 H5 111.109 C2 O3 H8 107.829
O3 C2 H6 111.017 O3 C2 H7 104.714
H4 N1 H5 107.236 H6 C2 H7 107.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.535      
2 C -0.025      
3 O -0.441      
4 H 0.244      
5 H 0.234      
6 H 0.107      
7 H 0.131      
8 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.250 -1.165 1.181 1.678
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.779 -1.302 -1.749
y -1.302 -16.839 -1.332
z -1.749 -1.332 -16.384
Traceless
 xyz
x -6.167 -1.302 -1.749
y -1.302 2.742 -1.332
z -1.749 -1.332 3.425
Polar
3z2-r26.850
x2-y2-5.939
xy-1.302
xz-1.749
yz-1.332


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.621 -0.118 -0.086
y -0.118 3.482 -0.146
z -0.086 -0.146 3.468


<r2> (average value of r2) Å2
<r2> 48.900
(<r2>)1/2 6.993