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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-187.958746
Energy at 298.15K-187.963423
HF Energy-187.958746
Nuclear repulsion energy102.640248
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 B3PW91/6-31G
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' 3599 3447 5.58      
2 A' 3075 2945 14.78      
3 A' 2307 2209 1.55      
4 A' 1715 1643 33.98      
5 A' 1505 1442 14.23      
6 A' 1399 1339 2.39      
7 A' 1133 1085 28.87      
8 A' 895 857 38.82      
9 A' 611 585 137.90      
10 A' 552 529 228.51      
11 A' 212 203 9.42      
12 A" 3724 3566 11.20      
13 A" 3123 2991 5.33      
14 A" 1388 1329 0.22      
15 A" 1210 1158 0.82      
16 A" 902 864 1.21      
17 A" 393 376 19.19      
18 A" 263 252 45.92      

Unscaled Zero Point Vibrational Energy (zpe) 14002.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 13409.8 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 B3PW91/6-31G
ABC
1.00738 0.15652 0.14230

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.443 0.706 0.000
C2 0.000 0.823 0.000
C3 0.735 -0.462 0.000
N4 1.254 -1.514 0.000
H5 -1.860 0.344 0.845
H6 -1.860 0.344 -0.845
H7 0.316 1.402 0.876
H8 0.316 1.402 -0.876

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.44812.47233.49391.00961.00962.08462.0846
C21.44811.48082.65252.09862.09861.09611.0961
C32.47231.48081.17292.84632.84632.10172.1017
N43.49392.65251.17293.72393.72393.18583.1858
H51.00962.09862.84633.72391.69052.41962.9691
H61.00962.09862.84633.72391.69052.96912.4196
H72.08461.09612.10173.18582.41962.96911.7514
H82.08461.09612.10173.18582.96912.41961.7514

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.143 N1 C2 H7 109.260
N1 C2 H8 109.260 C2 N1 H5 116.132
C2 N1 H6 116.132 C2 C3 N4 176.488
C3 C2 H7 108.369 C3 C2 H8 108.369
H5 N1 H6 113.701 H7 C2 H8 106.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.713      
2 C -0.233      
3 C 0.161      
4 N -0.313      
5 H 0.322      
6 H 0.322      
7 H 0.228      
8 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.890 2.162 0.000 2.872
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.020 6.796 0.000
y 6.796 -30.101 0.000
z 0.000 0.000 -21.129
Traceless
 xyz
x 0.596 6.796 0.000
y 6.796 -7.027 0.000
z 0.000 0.000 6.431
Polar
3z2-r212.863
x2-y25.082
xy6.796
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.555 -1.045 0.000
y -1.045 4.873 0.000
z 0.000 0.000 3.363


<r2> (average value of r2) Å2
<r2> 83.850
(<r2>)1/2 9.157