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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-167.868375
Energy at 298.15K-167.874950
HF Energy-167.868375
Nuclear repulsion energy81.217092
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 HF/STO-3G
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 4221 3447 26.19      
2 A 4089 3339 2.89      
3 A 3903 3187 4.69      
4 A 3688 3011 1.60      
5 A 3564 2910 9.76      
6 A 2026 1654 4.77      
7 A 1791 1462 1.34      
8 A 1727 1410 24.06      
9 A 1638 1338 33.34      
10 A 1617 1320 0.31      
11 A 1351 1103 1.37      
12 A 1319 1077 12.54      
13 A 1259 1028 59.14      
14 A 1059 864 80.89      
15 A 1026 837 6.26      
16 A 503 411 31.63      
17 A 393 321 103.63      
18 A 319 261 38.19      

Unscaled Zero Point Vibrational Energy (zpe) 17745.8 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 14489.4 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 HF/STO-3G
ABC
1.21811 0.31648 0.28192

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.249 -0.157 -0.011
C2 -0.049 0.558 0.054
O3 -1.199 -0.278 -0.127
H4 1.269 -0.684 -0.899
H5 1.254 -0.881 0.727
H6 -0.090 1.096 1.011
H7 -0.070 1.294 -0.756
H8 -1.222 -0.845 0.686

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.48292.45341.03271.03342.09952.09832.6579
C21.48291.43312.04602.05371.09861.09561.9348
O32.45341.43312.61732.66602.10052.03540.9913
H41.03272.04602.61731.63812.94332.39312.9569
H51.03342.05372.66601.63812.40712.94692.4764
H62.09951.09862.10052.94332.40711.77832.2705
H72.09831.09562.03542.39312.94691.77832.8257
H82.65791.93480.99132.95692.47642.27052.8257

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 114.553 N1 C2 H6 107.911
N1 C2 H7 107.990 C2 N1 H4 107.491
C2 N1 H5 108.068 C2 O3 H8 104.402
O3 C2 H6 111.452 O3 C2 H7 106.437
H4 N1 H5 104.903 H6 C2 H7 108.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.387      
2 C 0.082      
3 O -0.293      
4 H 0.155      
5 H 0.143      
6 H 0.059      
7 H 0.074      
8 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.229 -1.081 0.999 1.490
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.403 -1.418 -1.812
y -1.418 -15.819 -0.993
z -1.812 -0.993 -15.845
Traceless
 xyz
x -6.571 -1.418 -1.812
y -1.418 3.305 -0.993
z -1.812 -0.993 3.266
Polar
3z2-r26.531
x2-y2-6.584
xy-1.418
xz-1.812
yz-0.993


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.547 -0.048 -0.139
y -0.048 1.775 -0.287
z -0.139 -0.287 1.902


<r2> (average value of r2) Å2
<r2> 49.415
(<r2>)1/2 7.030