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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-188.024213
Energy at 298.15K-188.029060
HF Energy-188.024213
Nuclear repulsion energy103.640252
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 B1B95/6-31G(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 3403 3.11      
2 A' 3086 2955 10.00      
3 A' 2385 2284 3.27      
4 A' 1672 1601 22.99      
5 A' 1463 1401 6.76      
6 A' 1360 1302 10.39      
7 A' 1139 1091 11.65      
8 A' 944 905 106.78      
9 A' 856 820 79.56      
10 A' 582 557 7.94      
11 A' 219 210 12.33      
12 A" 3637 3484 7.59      
13 A" 3131 2998 2.67      
14 A" 1389 1330 0.01      
15 A" 1192 1142 0.07      
16 A" 894 856 0.05      
17 A" 408 391 7.01      
18 A" 272 261 51.95      

Unscaled Zero Point Vibrational Energy (zpe) 14090.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 13494.5 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 B1B95/6-31G(2df,p)
ABC
1.01987 0.16029 0.14536

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.445 0.721 0.000
C2 0.000 0.823 0.000
C3 0.718 -0.460 0.000
N4 1.239 -1.488 0.000
H5 -1.754 0.200 0.811
H6 -1.754 0.200 -0.811
H7 0.322 1.393 0.874
H8 0.322 1.393 -0.874

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.44882.46413.47641.01171.01172.08322.0832
C21.44881.47012.62262.03062.03061.09231.0923
C32.46411.47011.15302.68412.68412.08692.0869
N43.47642.62261.15303.53133.53133.14783.1478
H51.01172.03062.68413.53131.62122.39572.9282
H61.01172.03062.68413.53131.62122.92822.3957
H72.08321.09232.08693.14782.39572.92821.7486
H82.08321.09232.08693.14782.92822.39571.7486

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.164 N1 C2 H7 109.330
N1 C2 H8 109.330 C2 N1 H5 109.960
C2 N1 H6 109.960 C2 C3 N4 177.674
C3 C2 H7 108.156 C3 C2 H8 108.156
H5 N1 H6 106.491 H7 C2 H8 106.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.530      
2 C -0.271      
3 C 0.242      
4 N -0.315      
5 H 0.262      
6 H 0.262      
7 H 0.175      
8 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.634 2.039 0.000 2.613
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.608 6.581 0.000
y 6.581 -28.869 0.000
z 0.000 0.000 -21.228
Traceless
 xyz
x -0.559 6.581 0.000
y 6.581 -5.451 0.000
z 0.000 0.000 6.011
Polar
3z2-r212.021
x2-y23.261
xy6.581
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.939 -0.927 0.000
y -0.927 5.305 0.000
z 0.000 0.000 3.803


<r2> (average value of r2) Å2
<r2> 81.864
(<r2>)1/2 9.048