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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-188.058765
Energy at 298.15K-188.063623
HF Energy-188.058765
Nuclear repulsion energy103.517050
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 mPW1PW91/6-31G(2df,p)
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' 3553 3392 3.11      
2 A' 3083 2943 9.89      
3 A' 2379 2271 3.50      
4 A' 1678 1602 23.41      
5 A' 1465 1399 7.22      
6 A' 1364 1303 9.67      
7 A' 1139 1087 12.11      
8 A' 946 903 112.41      
9 A' 858 820 75.50      
10 A' 584 557 7.87      
11 A' 220 210 12.24      
12 A" 3638 3473 7.86      
13 A" 3128 2986 2.51      
14 A" 1394 1331 0.01      
15 A" 1197 1143 0.07      
16 A" 898 857 0.07      
17 A" 409 391 7.57      
18 A" 275 262 52.10      

Unscaled Zero Point Vibrational Energy (zpe) 14103.9 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 13465.0 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 mPW1PW91/6-31G(2df,p)
ABC
1.01783 0.15987 0.14500

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.447 0.722 0.000
C2 0.000 0.824 0.000
C3 0.719 -0.460 0.000
N4 1.241 -1.490 0.000
H5 -1.757 0.201 0.811
H6 -1.757 0.201 -0.811
H7 0.322 1.395 0.875
H8 0.322 1.395 -0.875

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.45072.46763.48091.01261.01262.08582.0858
C21.45071.47192.62552.03292.03291.09391.0939
C32.46761.47191.15412.68772.68772.08962.0896
N43.48092.62551.15413.53593.53593.15163.1516
H51.01262.03292.68773.53591.62252.39852.9315
H61.01262.03292.68773.53591.62252.93152.3985
H72.08581.09392.08963.15162.39852.93151.7509
H82.08581.09392.08963.15162.93152.39851.7509

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.197 N1 C2 H7 109.313
N1 C2 H8 109.313 C2 N1 H5 109.952
C2 N1 H6 109.952 C2 C3 N4 177.666
C3 C2 H7 108.161 C3 C2 H8 108.161
H5 N1 H6 106.479 H7 C2 H8 106.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.545      
2 C -0.304      
3 C 0.256      
4 N -0.328      
5 H 0.271      
6 H 0.271      
7 H 0.190      
8 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.642 2.053 0.000 2.629
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.647 6.638 0.000
y 6.638 -28.920 0.000
z 0.000 0.000 -21.222
Traceless
 xyz
x -0.576 6.638 0.000
y 6.638 -5.485 0.000
z 0.000 0.000 6.062
Polar
3z2-r212.124
x2-y23.273
xy6.638
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.954 -0.939 0.000
y -0.939 5.318 0.000
z 0.000 0.000 3.803


<r2> (average value of r2) Å2
<r2> 82.048
(<r2>)1/2 9.058