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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-171.092511
Energy at 298.15K-171.099031
HF Energy-171.092511
Nuclear repulsion energy82.274520
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/aug-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 3838 3704 22.51      
2 A 3613 3486 5.32      
3 A 3526 3403 2.03      
4 A 3106 2997 23.00      
5 A 3032 2926 50.17      
6 A 1659 1601 28.11      
7 A 1498 1446 0.22      
8 A 1414 1365 30.96      
9 A 1381 1333 1.49      
10 A 1362 1314 6.10      
11 A 1157 1117 40.14      
12 A 1103 1065 29.11      
13 A 1000 965 225.42      
14 A 904 872 3.78      
15 A 788 761 151.36      
16 A 478 461 45.44      
17 A 392 378 78.73      
18 A 271 261 73.52      

Unscaled Zero Point Vibrational Energy (zpe) 15260.2 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 14727.7 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/aug-cc-pVTZ
ABC
1.30113 0.31784 0.28648

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.224 -0.159 -0.019
C2 -0.029 0.531 0.048
O3 -1.202 -0.262 -0.117
H4 1.308 -0.695 -0.872
H5 1.368 -0.780 0.767
H6 -0.070 1.075 0.997
H7 -0.075 1.256 -0.764
H8 -1.307 -0.826 0.654

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43202.43031.01151.01122.05632.06052.7019
C21.43201.42602.03432.04611.09451.08991.9596
O32.43031.42602.65692.76692.07691.99900.9608
H41.01152.03432.65691.64242.91992.39383.0305
H51.01122.04612.76691.64242.35822.92752.6774
H62.05631.09452.07692.91992.35821.77052.2936
H72.06051.08991.99902.39382.92751.77052.8042
H82.70191.95960.96083.03052.67742.29362.8042

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.502 N1 C2 H6 108.210
N1 C2 H7 108.823 C2 N1 H4 111.557
C2 N1 H5 112.605 C2 O3 H8 108.811
O3 C2 H6 110.279 O3 C2 H7 104.433
H4 N1 H5 108.583 H6 C2 H7 108.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.380      
2 C 0.030      
3 O -0.472      
4 H 0.073      
5 H 0.068      
6 H 0.255      
7 H 0.296      
8 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.396 -0.986 1.236 1.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.565 -1.519 -2.035
y -1.519 -17.643 -1.434
z -2.035 -1.434 -16.819
Traceless
 xyz
x -6.334 -1.519 -2.035
y -1.519 2.549 -1.434
z -2.035 -1.434 3.785
Polar
3z2-r27.571
x2-y2-5.922
xy-1.519
xz-2.035
yz-1.434


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.084 0.050 -0.068
y 0.050 4.509 -0.045
z -0.068 -0.045 4.193


<r2> (average value of r2) Å2
<r2> 49.843
(<r2>)1/2 7.060