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

using model chemistry: HF/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 HF/CEP-31G*
 hartrees
Energy at 0K-39.298804
Energy at 298.15K-39.306073
Nuclear repulsion energy84.564408
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 HF/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' 3743 3362 0.19      
2 A' 3271 2937 55.29      
3 A' 3261 2929 10.96      
4 A' 2603 2338 24.21      
5 A' 1829 1642 32.45      
6 A' 1626 1460 2.19      
7 A' 1606 1442 4.90      
8 A' 1535 1378 19.08      
9 A' 1415 1271 13.83      
10 A' 1183 1062 23.42      
11 A' 1114 1000 54.58      
12 A' 996 895 26.93      
13 A' 914 821 181.70      
14 A' 563 505 1.19      
15 A' 400 360 10.08      
16 A' 179 161 9.60      
17 A" 3836 3445 0.98      
18 A" 3329 2990 63.82      
19 A" 3306 2968 1.75      
20 A" 1499 1346 0.18      
21 A" 1415 1271 0.00      
22 A" 1251 1123 0.55      
23 A" 1035 930 1.16      
24 A" 804 722 0.46      
25 A" 423 380 0.08      
26 A" 305 274 63.58      
27 A" 116 104 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 21778.4 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 19557.0 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 HF/CEP-31G*
ABC
0.82858 0.07523 0.07157

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.461 -0.284 0.813
H2 2.461 -0.284 -0.813
N3 2.096 -0.752 0.000
H4 0.293 -1.306 0.876
H5 0.293 -1.306 -0.876
C6 0.637 -0.759 0.000
H7 0.306 1.217 0.881
H8 0.306 1.217 -0.881
C9 0.000 0.656 0.000
N10 -2.639 0.514 0.000
C11 -1.489 0.587 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.62531.00622.39752.93182.05262.62743.12532.75725.22564.1264
H21.62531.00622.93182.39752.05263.12532.62742.75725.22564.1264
N31.00621.00622.07972.07971.45952.80362.80362.52554.90143.8278
H42.39752.93182.07971.75211.08872.52363.07512.16883.56042.7443
H52.93182.39752.07971.75211.08873.07512.52362.16883.56042.7443
C62.05262.05261.45951.08871.08872.18872.18871.55153.51412.5166
H72.62743.12532.80362.52363.07512.18871.76211.08873.15352.0970
H83.12532.62742.80363.07512.52362.18871.76211.08873.15352.0970
C92.75722.75722.52552.16882.16881.55151.08871.08872.64261.4909
N105.22565.22564.90143.56043.56043.51413.15353.15352.64261.1518
C114.12644.12643.82782.74432.74432.51662.09702.09701.49091.1518

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 107.729 H1 N3 C6 111.384
H2 N3 C6 111.384 N3 C6 H4 108.531
N3 C6 H5 108.531 N3 C6 C9 113.986
H4 C6 H5 107.159 H4 C6 C9 109.207
H5 C6 C9 109.207 C6 C9 H7 110.774
C6 C9 H8 110.774 C6 C9 C11 111.601
H7 C9 H8 108.054 H7 C9 C11 107.745
H8 C9 C11 107.745 C9 C11 N10 178.967
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.290      
2 H 0.290      
3 N -0.602      
4 H 0.128      
5 H 0.128      
6 C -0.158      
7 H 0.130      
8 H 0.130      
9 C -0.032      
10 N 0.340      
11 C -0.644      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.917 1.433 0.000 4.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.834 6.535 0.000
y 6.535 -32.835 0.000
z 0.000 0.000 -27.934
Traceless
 xyz
x -13.450 6.535 0.000
y 6.535 3.049 0.000
z 0.000 0.000 10.401
Polar
3z2-r220.803
x2-y2-10.999
xy6.535
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.952 -0.222 0.000
y -0.222 4.893 0.000
z 0.000 0.000 4.809


<r2> (average value of r2) Å2
<r2> 122.037
(<r2>)1/2 11.047