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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-227.321249
Energy at 298.15K-227.328310
Nuclear repulsion energy155.143579
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 B1B95/6-31G(2df,p)
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' 3532 3382 0.44      
2 A' 3078 2948 24.76      
3 A' 3061 2931 2.01      
4 A' 2381 2280 13.53      
5 A' 1660 1590 23.23      
6 A' 1488 1425 3.51      
7 A' 1456 1394 2.86      
8 A' 1383 1325 15.80      
9 A' 1285 1230 1.76      
10 A' 1137 1089 12.10      
11 A' 1020 977 43.67      
12 A' 967 926 6.24      
13 A' 829 794 190.57      
14 A' 531 509 1.72      
15 A' 375 359 6.56      
16 A' 162 155 6.82      
17 A" 3618 3465 1.53      
18 A" 3132 2999 17.33      
19 A" 3104 2973 0.02      
20 A" 1386 1327 0.09      
21 A" 1297 1242 0.37      
22 A" 1149 1100 0.03      
23 A" 965 924 0.67      
24 A" 754 722 2.37      
25 A" 403 386 0.20      
26 A" 305 292 42.45      
27 A" 104 100 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 20279.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 19421.4 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 B1B95/6-31G(2df,p)
ABC
0.83686 0.07647 0.07275

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.529 -0.048 0.814
H2 2.529 -0.048 -0.814
N3 2.214 -0.563 0.000
H4 0.475 -1.277 0.875
H5 0.475 -1.277 -0.875
C6 0.776 -0.696 0.000
H7 0.275 1.230 0.879
H8 0.275 1.230 -0.879
C9 0.000 0.639 0.000
N10 -2.580 0.256 0.000
C11 -1.442 0.446 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.62721.01272.39412.92922.03862.59243.09562.74415.18274.0831
H21.62721.01272.92922.39412.03863.09562.59242.74415.18274.0831
N31.01271.01272.07392.07391.44492.78372.78372.51944.86413.7924
H42.39412.92922.07391.75061.09282.51483.06652.15943.52892.7216
H52.92922.39412.07391.75061.09283.06652.51482.15943.52892.7216
C62.03862.03861.44491.09281.09282.17532.17531.54373.48832.4937
H72.59243.09562.78372.51483.06652.17531.75901.09453.14182.0817
H83.09562.59242.78373.06652.51482.17531.75901.09453.14182.0817
C92.74412.74412.51942.15942.15941.54371.09451.09452.60851.4545
N105.18275.18274.86413.52893.52893.48833.14183.14182.60851.1543
C114.08314.08313.79242.72162.72162.49372.08172.08171.45451.1543

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 106.908 H1 N3 C6 110.868
H2 N3 C6 110.868 N3 C6 H4 108.827
N3 C6 H5 108.827 N3 C6 C9 114.877
H4 C6 H5 106.440 H4 C6 C9 108.771
H5 C6 C9 108.771 C6 C9 H7 109.918
C6 C9 H8 109.918 C6 C9 C11 112.518
H7 C9 H8 106.948 H7 C9 C11 108.685
H8 C9 C11 108.685 C9 C11 N10 178.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.243      
2 H 0.243      
3 N -0.533      
4 H 0.145      
5 H 0.145      
6 C -0.149      
7 H 0.159      
8 H 0.159      
9 C -0.368      
10 N -0.318      
11 C 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.710 1.448 0.000 3.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.593 4.387 0.000
y 4.387 -30.546 0.000
z 0.000 0.000 -27.530
Traceless
 xyz
x -12.555 4.387 0.000
y 4.387 4.015 0.000
z 0.000 0.000 8.539
Polar
3z2-r217.079
x2-y2-11.047
xy4.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.731 0.044 0.000
y 0.044 5.257 0.000
z 0.000 0.000 5.206


<r2> (average value of r2) Å2
<r2> 151.066
(<r2>)1/2 12.291