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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-170.041702
Energy at 298.15K-170.048215
HF Energy-170.041702
Nuclear repulsion energy81.176127
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 B1B95/3-21G
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 3617 3460 2.20      
2 A 3526 3374 2.09      
3 A 3506 3354 0.41      
4 A 3160 3023 29.60      
5 A 3059 2926 69.67      
6 A 1729 1655 28.52      
7 A 1551 1484 0.81      
8 A 1436 1374 21.18      
9 A 1412 1351 0.92      
10 A 1377 1317 7.36      
11 A 1175 1124 31.80      
12 A 1116 1067 42.01      
13 A 958 916 177.03      
14 A 901 862 6.56      
15 A 630 603 237.31      
16 A 450 430 74.50      
17 A 430 412 153.86      
18 A 321 308 101.79      

Unscaled Zero Point Vibrational Energy (zpe) 15177.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14520.1 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 B1B95/3-21G
ABC
1.29139 0.30637 0.27722

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.226 -0.172 -0.026
C2 -0.021 0.533 0.052
O3 -1.240 -0.254 -0.112
H4 1.380 -0.665 -0.900
H5 1.473 -0.731 0.785
H6 -0.031 1.084 0.999
H7 -0.075 1.250 -0.765
H8 -1.279 -0.897 0.642

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43432.46851.01531.01542.05152.06422.6911
C21.43431.46072.07462.08951.09551.08831.9939
O32.46851.46072.76692.89682.11792.01140.9910
H41.01532.07462.76691.68942.94232.40843.0823
H51.01542.08952.89681.68942.36702.95352.7602
H62.05151.09552.11792.94232.36701.77252.3683
H72.06421.08832.01142.40842.95351.77252.8347
H82.69111.99390.99103.08232.76022.36832.8347

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 117.010 N1 C2 H6 107.627
N1 C2 H7 109.058 C2 N1 H4 114.680
C2 N1 H5 116.021 C2 O3 H8 107.279
O3 C2 H6 111.095 O3 C2 H7 103.227
H4 N1 H5 112.596 H6 C2 H7 108.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.723      
2 C -0.050      
3 O -0.569      
4 H 0.295      
5 H 0.283      
6 H 0.200      
7 H 0.238      
8 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.883 -1.317 1.350 2.083
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.607 -1.596 -1.957
y -1.596 -16.548 -1.369
z -1.957 -1.369 -16.210
Traceless
 xyz
x -6.228 -1.596 -1.957
y -1.596 2.861 -1.369
z -1.957 -1.369 3.368
Polar
3z2-r26.735
x2-y2-6.059
xy-1.596
xz-1.957
yz-1.369


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.057 -0.102 -0.074
y -0.102 2.715 -0.268
z -0.074 -0.268 2.954


<r2> (average value of r2) Å2
<r2> 50.553
(<r2>)1/2 7.110