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: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-227.358606
Energy at 298.15K-227.365702
Nuclear repulsion energy154.831007
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 mPW1PW91/6-31G**
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' 3551 3379 0.14      
2 A' 3096 2946 25.35      
3 A' 3075 2926 3.03      
4 A' 2397 2281 14.29      
5 A' 1682 1600 27.08      
6 A' 1510 1436 4.23      
7 A' 1478 1406 3.79      
8 A' 1405 1337 15.31      
9 A' 1305 1242 0.94      
10 A' 1145 1089 13.59      
11 A' 1025 975 44.98      
12 A' 973 926 5.95      
13 A' 825 785 227.38      
14 A' 530 505 2.47      
15 A' 380 362 7.55      
16 A' 164 156 7.04      
17 A" 3646 3469 1.09      
18 A" 3150 2997 19.42      
19 A" 3120 2969 0.24      
20 A" 1401 1333 0.15      
21 A" 1314 1251 0.33      
22 A" 1165 1109 0.05      
23 A" 976 928 0.72      
24 A" 764 727 2.81      
25 A" 399 379 0.02      
26 A" 323 307 51.68      
27 A" 107 102 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 20453.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 19461.1 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 mPW1PW91/6-31G**
ABC
0.83667 0.07605 0.07238

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.539 -0.053 0.817
H2 2.539 -0.053 -0.817
N3 2.218 -0.560 0.000
H4 0.482 -1.280 0.876
H5 0.482 -1.280 -0.876
C6 0.780 -0.697 0.000
H7 0.272 1.231 0.880
H8 0.272 1.231 -0.880
C9 0.000 0.638 0.000
N10 -2.589 0.258 0.000
C11 -1.445 0.446 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.63331.01342.39582.93262.04332.60583.10902.75475.20114.0973
H21.63331.01342.93262.39582.04333.10902.60582.75475.20114.0973
N31.01341.01342.07382.07381.44512.78792.78792.52144.87613.7995
H42.39582.93262.07381.75131.09342.51933.07092.16283.54382.7314
H52.93262.39582.07381.75131.09343.07092.51932.16283.54382.7314
C62.04332.04331.44511.09341.09342.17922.17921.54613.50112.5017
H72.60583.10902.78792.51933.07092.17921.76081.09543.14682.0828
H83.10902.60582.78793.07092.51932.17921.76081.09543.14682.0828
C92.75472.75472.52142.16282.16281.54611.09541.09542.61641.4580
N105.20115.20114.87613.54383.54383.50113.14683.14682.61641.1587
C114.09734.09733.79952.73142.73142.50172.08282.08281.45801.1587

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 107.384 H1 N3 C6 111.215
H2 N3 C6 111.215 N3 C6 H4 108.768
N3 C6 H5 108.768 N3 C6 C9 114.864
H4 C6 H5 106.429 H4 C6 C9 108.842
H5 C6 C9 108.842 C6 C9 H7 109.999
C6 C9 H8 109.999 C6 C9 C11 112.732
H7 C9 H8 106.971 H7 C9 C11 108.478
H8 C9 C11 108.478 C9 C11 N10 178.192
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.262      
2 H 0.262      
3 N -0.625      
4 H 0.162      
5 H 0.162      
6 C -0.119      
7 H 0.179      
8 H 0.179      
9 C -0.324      
10 N -0.484      
11 C 0.346      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.697 1.578 0.000 4.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.932 4.807 0.000
y 4.807 -30.795 0.000
z 0.000 0.000 -27.608
Traceless
 xyz
x -12.730 4.807 0.000
y 4.807 3.975 0.000
z 0.000 0.000 8.755
Polar
3z2-r217.510
x2-y2-11.137
xy4.807
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> 151.871
(<r2>)1/2 12.324