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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-170.909323
Energy at 298.15K-170.915769
HF Energy-170.909323
Nuclear repulsion energy81.339287
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 PBEPBEultrafine/aug-cc-pVDZ
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 3685 3662 12.78      
2 A 3504 3483 2.53      
3 A 3412 3392 1.88      
4 A 3046 3028 22.52      
5 A 2966 2948 50.64      
6 A 1596 1586 23.95      
7 A 1423 1414 0.43      
8 A 1356 1348 30.12      
9 A 1328 1319 2.60      
10 A 1301 1293 1.80      
11 A 1123 1117 40.15      
12 A 1072 1066 22.44      
13 A 937 931 220.51      
14 A 875 870 3.06      
15 A 761 757 145.35      
16 A 456 453 44.49      
17 A 391 388 77.91      
18 A 267 266 65.62      

Unscaled Zero Point Vibrational Energy (zpe) 14749.2 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 14659.2 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
1.27391 0.31065 0.28023

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.238 -0.161 -0.021
C2 -0.024 0.536 0.048
O3 -1.219 -0.263 -0.117
H4 1.303 -0.719 -0.878
H5 1.375 -0.790 0.776
H6 -0.060 1.089 1.009
H7 -0.076 1.263 -0.781
H8 -1.310 -0.832 0.669

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44302.46061.02501.02472.07542.08112.7237
C21.44301.44652.04812.06051.10951.10481.9773
O32.46061.44652.67332.79392.10712.01930.9747
H41.02502.04812.67331.65692.94782.41683.0385
H51.02472.06052.79391.65692.37592.95752.6881
H62.07541.10952.10712.94782.37591.79942.3174
H72.08111.10482.01932.41682.95751.79942.8316
H82.72371.97730.97473.03852.68812.31742.8316

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.762 N1 C2 H6 108.088
N1 C2 H7 108.811 C2 N1 H4 111.034
C2 N1 H5 112.115 C2 O3 H8 107.913
O3 C2 H6 110.358 O3 C2 H7 103.835
H4 N1 H5 107.880 H6 C2 H7 108.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.078      
2 C 1.044      
3 O -0.393      
4 H -0.048      
5 H -0.065      
6 H -0.249      
7 H -0.297      
8 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.433 -0.967 1.206 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.084 -1.554 -1.941
y -1.554 -18.083 -1.411
z -1.941 -1.411 -17.265
Traceless
 xyz
x -6.410 -1.554 -1.941
y -1.554 2.592 -1.411
z -1.941 -1.411 3.818
Polar
3z2-r27.637
x2-y2-6.001
xy-1.554
xz-1.941
yz-1.411


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.628 0.079 -0.082
y 0.079 4.856 -0.041
z -0.082 -0.041 4.480


<r2> (average value of r2) Å2
<r2> 50.949
(<r2>)1/2 7.138