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All results from a given calculation for NH2CH2CN (Aminoacetonitrile)

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-32.918605
Energy at 298.15K-32.923212
HF Energy-32.541489
Nuclear repulsion energy54.076657
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 MP2/CEP-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' 3553 3433 1.43      
2 A' 3096 2992 27.61      
3 A' 1995 1928 17.36      
4 A' 1720 1662 32.51      
5 A' 1504 1454 8.93      
6 A' 1384 1338 10.69      
7 A' 1099 1062 26.72      
8 A' 859 831 83.45      
9 A' 703 680 260.61      
10 A' 529 511 39.78      
11 A' 198 191 9.77      
12 A" 3685 3561 3.72      
13 A" 3171 3064 16.09      
14 A" 1385 1338 0.01      
15 A" 1204 1164 0.85      
16 A" 890 860 0.03      
17 A" 353 341 34.67      
18 A" 251 242 44.62      

Unscaled Zero Point Vibrational Energy (zpe) 13789.6 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 13324.9 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 MP2/CEP-31G
ABC
0.97105 0.14476 0.13205

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.490 0.759 0.000
C2 0.000 0.856 0.000
C3 0.745 -0.488 0.000
N4 1.302 -1.583 0.000
H5 -1.891 0.351 0.850
H6 -1.891 0.351 -0.850
H7 0.314 1.425 0.896
H8 0.314 1.425 -0.896

Atom - Atom Distances (Å)
  N1 C2 C3 N4 H5 H6 H7 H8
N11.49352.55983.64461.02471.02472.12182.1218
C21.49351.53672.76492.13382.13381.10681.1068
C32.55981.53671.22872.89362.89362.15562.1556
N43.64462.76491.22873.82803.82803.29033.2903
H51.02472.13382.89363.82801.70002.45333.0108
H61.02472.13382.89363.82801.70003.01082.4533
H72.12181.10682.15563.29032.45333.01081.7920
H82.12181.10682.15563.29033.01082.45331.7920

picture of Aminoacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.287 N1 C2 H7 108.461
N1 C2 H8 108.461 C2 N1 H5 114.573
C2 N1 H6 114.573 C2 C3 N4 177.937
C3 C2 H7 108.160 C3 C2 H8 108.160
H5 N1 H6 112.098 H7 C2 H8 108.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability