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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-171.111323
Energy at 298.15K-171.117856
HF Energy-171.111323
Nuclear repulsion energy82.462299
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 mPW1PW91/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 3872 3709 25.02      
2 A 3637 3485 5.93      
3 A 3550 3402 2.26      
4 A 3123 2992 23.03      
5 A 3049 2921 49.95      
6 A 1668 1598 28.96      
7 A 1507 1444 0.22      
8 A 1423 1363 32.38      
9 A 1390 1331 1.42      
10 A 1370 1313 6.25      
11 A 1166 1117 43.55      
12 A 1114 1067 29.02      
13 A 1019 976 222.49      
14 A 909 871 3.66      
15 A 795 762 151.52      
16 A 482 462 46.06      
17 A 392 375 79.44      
18 A 271 260 74.56      

Unscaled Zero Point Vibrational Energy (zpe) 15367.1 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 14723.2 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 mPW1PW91/aug-cc-pVTZ
ABC
1.30450 0.31967 0.28799

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.221 -0.159 -0.019
C2 -0.030 0.530 0.048
O3 -1.198 -0.262 -0.117
H4 1.305 -0.693 -0.871
H5 1.364 -0.779 0.765
H6 -0.071 1.074 0.996
H7 -0.075 1.255 -0.763
H8 -1.301 -0.827 0.651

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.42982.42341.00981.00952.05332.05752.6933
C21.42981.42132.03072.04261.09331.08861.9547
O32.42341.42132.64952.75902.07231.99550.9585
H41.00982.03072.64951.64002.91542.39003.0206
H51.00952.04262.75901.64002.35442.92302.6682
H62.05331.09332.07232.91542.35441.76802.2902
H72.05751.08861.99552.39002.92301.76802.7995
H82.69331.95470.95853.02062.66822.29022.7995

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.418 N1 C2 H6 108.203
N1 C2 H7 108.815 C2 N1 H4 111.528
C2 N1 H5 112.588 C2 O3 H8 108.886
O3 C2 H6 110.317 O3 C2 H7 104.538
H4 N1 H5 108.608 H6 C2 H7 108.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.376      
2 C 0.096      
3 O -0.471      
4 H 0.067      
5 H 0.060      
6 H 0.230      
7 H 0.270      
8 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.384 -0.995 1.238 1.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.567 -1.514 -2.031
y -1.514 -17.620 -1.438
z -2.031 -1.438 -16.812
Traceless
 xyz
x -6.351 -1.514 -2.031
y -1.514 2.570 -1.438
z -2.031 -1.438 3.781
Polar
3z2-r27.563
x2-y2-5.947
xy-1.514
xz-2.031
yz-1.438


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.017 0.049 -0.065
y 0.049 4.463 -0.045
z -0.065 -0.045 4.155


<r2> (average value of r2) Å2
<r2> 49.649
(<r2>)1/2 7.046