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All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-171.149449
Energy at 298.15K-171.155983
HF Energy-171.149449
Nuclear repulsion energy81.960704
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 TPSSh/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 3776 3656 12.39      
2 A 3559 3447 0.74      
3 A 3476 3366 0.87      
4 A 3099 3001 29.13      
5 A 3021 2925 59.20      
6 A 1670 1617 22.39      
7 A 1512 1464 0.04      
8 A 1418 1373 33.47      
9 A 1387 1343 1.95      
10 A 1366 1322 3.49      
11 A 1153 1116 25.83      
12 A 1089 1055 25.45      
13 A 979 948 242.98      
14 A 899 871 3.62      
15 A 817 791 147.75      
16 A 468 453 44.54      
17 A 397 384 89.03      
18 A 282 273 61.00      

Unscaled Zero Point Vibrational Energy (zpe) 15183.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 14702.6 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 TPSSh/cc-pVTZ
ABC
1.28893 0.31555 0.28411

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.232 -0.159 -0.021
C2 -0.028 0.536 0.048
O3 -1.208 -0.263 -0.116
H4 1.285 -0.717 -0.867
H5 1.355 -0.786 0.768
H6 -0.064 1.080 0.997
H7 -0.076 1.253 -0.771
H8 -1.297 -0.828 0.661

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.44062.44411.01481.01472.06162.06622.7029
C21.44061.43442.03182.04431.09451.08951.9613
O32.44411.43442.64272.76122.08572.00230.9648
H41.01482.03182.64271.63812.91892.39583.0018
H51.01472.04432.76121.63812.35532.92832.6542
H62.06161.09452.08572.91892.35531.77642.2964
H72.06621.08952.00232.39582.92831.77642.8058
H82.70291.96130.96483.00182.65422.29642.8058

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.445 N1 C2 H6 108.040
N1 C2 H7 108.706 C2 N1 H4 110.479
C2 N1 H5 111.552 C2 O3 H8 108.067
O3 C2 H6 110.398 O3 C2 H7 104.159
H4 N1 H5 107.630 H6 C2 H7 108.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.308      
2 C 0.108      
3 O -0.350      
4 H 0.129      
5 H 0.117      
6 H 0.046      
7 H 0.075      
8 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.348 -1.033 1.220 1.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.334 -0.058 -0.096
y -0.058 3.940 -0.130
z -0.096 -0.130 3.833


<r2> (average value of r2) Å2
<r2> 49.897
(<r2>)1/2 7.064