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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-171.067810
Energy at 298.15K-171.074418
HF Energy-171.067810
Nuclear repulsion energy82.270281
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 B3PW91/6-311G**
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 3851 3709 16.32      
2 A 3606 3472 1.41      
3 A 3520 3390 0.32      
4 A 3110 2995 32.17      
5 A 3024 2912 67.18      
6 A 1669 1608 29.04      
7 A 1501 1445 0.11      
8 A 1428 1375 38.32      
9 A 1388 1337 1.29      
10 A 1374 1323 4.11      
11 A 1170 1127 30.75      
12 A 1110 1069 29.67      
13 A 1017 979 233.90      
14 A 915 881 3.06      
15 A 820 790 164.30      
16 A 481 463 53.34      
17 A 422 406 103.52      
18 A 305 293 70.84      

Unscaled Zero Point Vibrational Energy (zpe) 15354.8 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 14788.2 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 B3PW91/6-311G**
ABC
1.29361 0.31892 0.28686

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.225 -0.158 -0.021
C2 -0.032 0.533 0.047
O3 -1.202 -0.263 -0.114
H4 1.284 -0.711 -0.869
H5 1.359 -0.780 0.767
H6 -0.063 1.083 0.996
H7 -0.078 1.258 -0.767
H8 -1.272 -0.840 0.651

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43562.43071.01401.01382.05812.06402.6741
C21.43561.42392.02932.04361.09771.09171.9459
O32.43071.42392.63632.75672.08362.00050.9610
H41.01402.02932.63631.63982.91802.39652.9765
H51.01382.04362.75671.63982.35542.92852.6334
H62.05811.09772.08362.91802.35541.77252.2977
H72.06401.09172.00052.39652.92851.77252.7997
H82.67411.94590.96102.97652.63342.29772.7997

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.426 N1 C2 H6 107.916
N1 C2 H7 108.740 C2 N1 H4 110.694
C2 N1 H5 111.940 C2 O3 H8 107.776
O3 C2 H6 110.773 O3 C2 H7 104.575
H4 N1 H5 107.932 H6 C2 H7 108.103
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.475      
2 C 0.033      
3 O -0.401      
4 H 0.199      
5 H 0.188      
6 H 0.112      
7 H 0.127      
8 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.359 -1.152 1.281 1.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.356 -1.448 -1.931
y -1.448 -17.020 -1.383
z -1.931 -1.383 -16.533
Traceless
 xyz
x -6.580 -1.448 -1.931
y -1.448 2.925 -1.383
z -1.931 -1.383 3.655
Polar
3z2-r27.311
x2-y2-6.337
xy-1.448
xz-1.931
yz-1.383


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.793 -0.080 -0.097
y -0.080 3.530 -0.158
z -0.097 -0.158 3.508


<r2> (average value of r2) Å2
<r2> 49.509
(<r2>)1/2 7.036