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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-171.087084
Energy at 298.15K-171.093629
HF Energy-171.087084
Nuclear repulsion energy82.326465
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/cc-pVTZ
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 3840 3693 18.72      
2 A 3605 3466 2.47      
3 A 3519 3384 0.85      
4 A 3100 2981 27.66      
5 A 3025 2909 58.19      
6 A 1661 1598 25.78      
7 A 1500 1442 0.06      
8 A 1418 1363 33.72      
9 A 1384 1331 1.38      
10 A 1368 1315 5.29      
11 A 1163 1118 32.17      
12 A 1106 1064 27.10      
13 A 1011 972 227.43      
14 A 907 872 3.60      
15 A 809 778 157.50      
16 A 480 461 45.86      
17 A 398 383 87.60      
18 A 276 266 68.55      

Unscaled Zero Point Vibrational Energy (zpe) 15284.3 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 14697.4 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/cc-pVTZ
ABC
1.29948 0.31878 0.28701

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.225 -0.158 -0.020
C2 -0.030 0.531 0.047
O3 -1.201 -0.262 -0.115
H4 1.290 -0.707 -0.868
H5 1.359 -0.780 0.767
H6 -0.066 1.079 0.995
H7 -0.076 1.256 -0.766
H8 -1.290 -0.832 0.653

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43362.42971.01211.01192.05602.06122.6892
C21.43361.42342.02862.04151.09521.09041.9525
O32.42971.42342.63982.75672.07851.99840.9607
H41.01212.02862.63981.63752.91552.39432.9974
H51.01192.04152.75671.63752.35352.92492.6522
H62.05601.09522.07852.91552.35351.76972.2953
H72.06121.09041.99842.39432.92491.76972.8013
H82.68921.95250.96072.99742.65222.29532.8013

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.519 N1 C2 H6 108.041
N1 C2 H7 108.746 C2 N1 H4 110.907
C2 N1 H5 112.034 C2 O3 H8 108.400
O3 C2 H6 110.552 O3 C2 H7 104.531
H4 N1 H5 108.007 H6 C2 H7 108.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.311      
2 C 0.080      
3 O -0.337      
4 H 0.132      
5 H 0.120      
6 H 0.057      
7 H 0.083      
8 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.356 -1.074 1.225 1.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.149 -1.383 -1.916
y -1.383 -17.233 -1.373
z -1.916 -1.373 -16.617
Traceless
 xyz
x -6.224 -1.383 -1.916
y -1.383 2.650 -1.373
z -1.916 -1.373 3.574
Polar
3z2-r27.148
x2-y2-5.916
xy-1.383
xz-1.916
yz-1.373


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.222 -0.062 -0.088
y -0.062 3.880 -0.124
z -0.088 -0.124 3.773


<r2> (average value of r2) Å2
<r2> 49.523
(<r2>)1/2 7.037