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: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-226.073307
Energy at 298.15K-226.080401
Nuclear repulsion energy153.896306
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 B3PW91/3-21G
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' 3483 3348 1.19      
2 A' 3081 2962 24.97      
3 A' 3062 2943 1.67      
4 A' 2346 2255 9.91      
5 A' 1716 1650 27.19      
6 A' 1535 1476 7.34      
7 A' 1517 1458 7.24      
8 A' 1399 1345 7.88      
9 A' 1326 1274 4.17      
10 A' 1115 1071 20.68      
11 A' 967 930 12.75      
12 A' 963 926 16.26      
13 A' 566 544 60.08      
14 A' 553 531 308.97      
15 A' 382 367 14.14      
16 A' 179 172 4.11      
17 A" 3592 3452 1.78      
18 A" 3136 3015 17.46      
19 A" 3103 2983 0.04      
20 A" 1402 1348 0.08      
21 A" 1338 1286 0.19      
22 A" 1203 1156 0.12      
23 A" 976 938 0.12      
24 A" 767 738 4.39      
25 A" 462 444 0.40      
26 A" 330 317 54.41      
27 A" 111 107 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 20304.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 19516.9 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 B3PW91/3-21G
ABC
0.82082 0.07533 0.07170

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.608 -0.181 0.846
H2 2.608 -0.181 -0.846
N3 2.215 -0.590 0.000
H4 0.456 -1.283 0.883
H5 0.456 -1.283 -0.883
C6 0.765 -0.714 0.000
H7 0.294 1.232 0.888
H8 0.294 1.232 -0.888
C9 0.000 0.656 0.000
N10 -2.594 0.297 0.000
C11 -1.442 0.477 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.69211.01842.41842.97282.09722.71213.21872.86715.29214.1902
H21.69211.01842.97282.41842.09723.21872.71212.86715.29214.1902
N31.01841.01842.08712.08711.45552.79222.79222.54114.88973.8098
H42.41842.97282.08711.76651.09522.52023.08032.17893.54622.7355
H52.97282.41842.08711.76651.09523.08032.52022.17893.54622.7355
C62.09722.09721.45551.09521.09522.19022.19021.56903.50742.5083
H72.71213.21872.79222.52023.08032.19021.77581.09843.16262.0909
H83.21872.71212.79223.08032.52022.19021.77581.09843.16262.0909
C92.86712.86712.54112.17892.17891.56901.09841.09842.61851.4533
N105.29215.29214.88973.54623.54623.50743.16263.16262.61851.1656
C114.19024.19023.80982.73552.73552.50832.09092.09091.45331.1656

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 112.353 H1 N3 C6 114.781
H2 N3 C6 114.781 N3 C6 H4 109.002
N3 C6 H5 109.002 N3 C6 C9 114.264
H4 C6 H5 107.508 H4 C6 C9 108.429
H5 C6 C9 108.429 C6 C9 H7 109.115
C6 C9 H8 109.115 C6 C9 C11 112.125
H7 C9 H8 107.862 H7 C9 C11 109.264
H8 C9 C11 109.264 C9 C11 N10 178.123
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.291      
2 H 0.291      
3 N -0.695      
4 H 0.246      
5 H 0.246      
6 C -0.241      
7 H 0.264      
8 H 0.264      
9 C -0.524      
10 N -0.495      
11 C 0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.821 1.375 0.000 4.061
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.417 4.685 0.000
y 4.685 -31.311 0.000
z 0.000 0.000 -27.538
Traceless
 xyz
x -10.993 4.685 0.000
y 4.685 2.666 0.000
z 0.000 0.000 8.327
Polar
3z2-r216.654
x2-y2-9.106
xy4.685
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 153.310
(<r2>)1/2 12.382