return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H6N2 (3-Aminopropionitrile)

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-39.967400
Energy at 298.15K-39.974386
HF Energy-39.291252
Nuclear repulsion energy83.523114
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' 3510 3333 0.45      
2 A' 3124 2966 31.63      
3 A' 3107 2950 7.46      
4 A' 2171 2061 0.13      
5 A' 1705 1619 27.43      
6 A' 1518 1441 5.29      
7 A' 1501 1425 3.85      
8 A' 1417 1345 14.15      
9 A' 1310 1243 4.85      
10 A' 1125 1068 7.46      
11 A' 1060 1006 48.46      
12 A' 951 903 16.63      
13 A' 885 840 178.54      
14 A' 503 477 2.80      
15 A' 369 350 8.31      
16 A' 155 147 6.80      
17 A" 3617 3434 0.72      
18 A" 3197 3036 32.44      
19 A" 3174 3013 0.03      
20 A" 1409 1337 0.39      
21 A" 1335 1267 0.13      
22 A" 1175 1116 0.45      
23 A" 975 926 0.93      
24 A" 763 724 1.40      
25 A" 352 335 0.19      
26 A" 301 286 63.01      
27 A" 112 106 1.94      

Unscaled Zero Point Vibrational Energy (zpe) 20410.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 19377.5 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 MP2/CEP-31G*
ABC
0.79945 0.07396 0.07027

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)
H1 2.553 0.034 0.822
H2 2.553 0.034 -0.822
N3 2.267 -0.509 0.000
H4 0.521 -1.269 0.890
H5 0.521 -1.269 -0.890
C6 0.801 -0.680 0.000
H7 0.252 1.255 0.894
H8 0.252 1.255 -0.894
C9 0.000 0.658 0.000
N10 -2.644 0.167 0.000
C11 -1.469 0.414 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.64441.02572.41432.95902.06272.60523.11912.75355.26314.1225
H21.64441.02572.95902.41432.06273.11912.60522.75355.26314.1225
N31.02571.02572.10182.10181.47642.82292.82292.54984.95743.8484
H42.41432.95902.10181.77971.10342.53853.10272.18623.58822.7545
H52.95902.41432.10181.77971.10343.10272.53852.18623.58822.7545
C62.06272.06271.47641.10341.10342.20062.20061.55923.54722.5194
H72.60523.11912.82292.53853.10272.20061.78861.10423.22082.1143
H83.11912.60522.82293.10272.53852.20061.78861.10423.22082.1143
C92.75352.75352.54982.18622.18621.55921.10421.10422.68951.4893
N105.26315.26314.95743.58823.58823.54723.22083.22082.68951.2007
C114.12254.12253.84842.75452.75452.51942.11432.11431.48931.2007

picture of 3-Aminopropionitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N3 H2 106.573 H1 N3 C6 109.746
H2 N3 C6 109.746 N3 C6 H4 108.252
N3 C6 H5 108.252 N3 C6 C9 114.244
H4 C6 H5 107.504 H4 C6 C9 109.189
H5 C6 C9 109.189 C6 C9 H7 110.256
C6 C9 H8 110.256 C6 C9 C11 111.444
H7 C9 H8 108.176 H7 C9 C11 108.307
H8 C9 C11 108.307 C9 C11 N10 177.576
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability