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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-187.859538
Energy at 298.15K-187.864294
HF Energy-187.859538
Nuclear repulsion energy102.437043
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/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' 3392 3336 0.22      
2 A' 2998 2948 11.25      
3 A' 2264 2226 3.12      
4 A' 1661 1633 22.88      
5 A' 1439 1416 8.01      
6 A' 1330 1308 7.71      
7 A' 1101 1083 18.03      
8 A' 916 901 129.33      
9 A' 844 830 64.97      
10 A' 555 546 10.30      
11 A' 205 202 9.80      
12 A" 3481 3423 1.32      
13 A" 3040 2990 4.22      
14 A" 1363 1341 0.11      
15 A" 1173 1153 0.13      
16 A" 876 861 0.01      
17 A" 400 394 21.36      
18 A" 271 266 48.28      

Unscaled Zero Point Vibrational Energy (zpe) 13654.0 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 13428.7 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/6-31G*
ABC
0.97892 0.15787 0.14269

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.462 0.718 0.000
C2 0.000 0.837 0.000
C3 0.736 -0.448 0.000
N4 1.244 -1.507 0.000
H5 -1.756 0.173 0.819
H6 -1.756 0.173 -0.819
H7 0.311 1.421 0.884
H8 0.311 1.421 -0.884

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.46662.48803.50311.02671.02672.10222.1022
C21.46661.48072.65352.04832.04831.10461.1046
C32.48801.48071.17452.69602.69602.11122.1112
N43.50312.65351.17453.53493.53493.19813.1981
H51.02672.04832.69603.53491.63772.41592.9551
H61.02672.04832.69603.53491.63772.95512.4159
H72.10221.10462.11123.19812.41592.95511.7683
H82.10221.10462.11123.19812.95512.41591.7683

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.160 N1 C2 H7 108.877
N1 C2 H8 108.877 C2 N1 H5 109.205
C2 N1 H6 109.205 C2 C3 N4 175.819
C3 C2 H7 108.617 C3 C2 H8 108.617
H5 N1 H6 105.790 H7 C2 H8 106.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.668      
2 C -0.283      
3 C 0.339      
4 N -0.456      
5 H 0.318      
6 H 0.318      
7 H 0.216      
8 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.542 1.831 0.000 2.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.976 6.863 0.000
y 6.863 -29.157 0.000
z 0.000 0.000 -21.440
Traceless
 xyz
x -0.677 6.863 0.000
y 6.863 -5.449 0.000
z 0.000 0.000 6.127
Polar
3z2-r212.253
x2-y23.181
xy6.863
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.952 -1.089 0.000
y -1.089 5.365 0.000
z 0.000 0.000 3.626


<r2> (average value of r2) Å2
<r2> 83.263
(<r2>)1/2 9.125