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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-187.938559
Energy at 298.15K-187.943273
HF Energy-187.938559
Nuclear repulsion energy102.860165
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-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' 3417 3379 3.30      
2 A' 2981 2947 9.29      
3 A' 2250 2224 4.50      
4 A' 1615 1597 21.98      
5 A' 1409 1393 7.77      
6 A' 1309 1294 6.90      
7 A' 1076 1064 13.40      
8 A' 900 890 67.02      
9 A' 815 806 90.16      
10 A' 554 547 9.47      
11 A' 207 205 9.98      
12 A" 3494 3455 7.23      
13 A" 3016 2982 1.61      
14 A" 1339 1324 0.04      
15 A" 1155 1142 0.04      
16 A" 861 852 0.01      
17 A" 379 374 8.57      
18 A" 248 246 46.56      

Unscaled Zero Point Vibrational Energy (zpe) 13511.6 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 13360.3 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-pVTZ
ABC
0.99795 0.15838 0.14347

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.460 0.716 0.000
C2 0.000 0.827 0.000
C3 0.729 -0.453 0.000
N4 1.251 -1.494 0.000
H5 -1.774 0.193 0.819
H6 -1.774 0.193 -0.819
H7 0.317 1.406 0.880
H8 0.317 1.406 -0.880

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46392.48143.49731.02121.02122.09942.0994
C21.46391.47362.63662.05412.05411.10021.1002
C32.48141.47361.16392.71122.71122.09792.0979
N43.49732.63661.16393.55873.55873.17073.1707
H51.02122.05412.71123.55871.63742.41812.9547
H61.02122.05412.71123.55871.63742.95472.4181
H72.09941.10022.09793.17072.41812.95471.7609
H82.09941.10022.09793.17072.95472.41811.7609

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.288 N1 C2 H7 109.106
N1 C2 H8 109.106 C2 N1 H5 110.221
C2 N1 H6 110.221 C2 C3 N4 177.027
C3 C2 H7 108.325 C3 C2 H8 108.325
H5 N1 H6 106.581 H7 C2 H8 106.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.373      
2 C 0.044      
3 C 0.120      
4 N -0.428      
5 H 0.081      
6 H 0.081      
7 H 0.237      
8 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.632 2.167 0.000 2.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.799 6.881 0.000
y 6.881 -30.049 0.000
z 0.000 0.000 -22.080
Traceless
 xyz
x -0.735 6.881 0.000
y 6.881 -5.609 0.000
z 0.000 0.000 6.344
Polar
3z2-r212.688
x2-y23.250
xy6.881
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.564 -1.277 0.000
y -1.277 6.917 0.000
z 0.000 0.000 4.892


<r2> (average value of r2) Å2
<r2> 83.448
(<r2>)1/2 9.135