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

using model chemistry: B1B95/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 B1B95/CEP-31G
 hartrees
Energy at 0K-40.211861
Energy at 298.15K-40.218188
Nuclear repulsion energy83.494492
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/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' 3683 3527 12.78      
2 A' 3104 2972 18.31      
3 A' 3076 2946 41.69      
4 A' 2282 2185 17.13      
5 A' 1672 1601 51.48      
6 A' 1504 1440 9.42      
7 A' 1477 1415 11.80      
8 A' 1402 1343 27.54      
9 A' 1300 1245 4.78      
10 A' 1160 1110 72.65      
11 A' 1037 993 12.17      
12 A' 960 919 4.51      
13 A' 520 498 8.59      
14 A' 383 367 1.52      
15 A' 284 272 410.63      
16 A' 162 155 8.58      
17 A" 3825 3663 17.08      
18 A" 3172 3037 31.02      
19 A" 3129 2996 26.78      
20 A" 1361 1304 0.49      
21 A" 1278 1223 2.25      
22 A" 1131 1083 0.86      
23 A" 937 897 3.76      
24 A" 757 725 11.51      
25 A" 382 365 0.05      
26 A" 102 98 8.31      
27 A" 96 92 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 20088.1 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 19234.3 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/CEP-31G
ABC
0.82931 0.07351 0.07014

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.745 -0.574 0.860
H2 2.745 -0.574 -0.860
N3 2.225 -0.474 0.000
H4 0.480 -1.272 0.883
H5 0.480 -1.272 -0.883
C6 0.786 -0.686 0.000
H7 0.288 1.254 0.887
H8 0.288 1.254 -0.887
C9 0.000 0.669 0.000
N10 -2.642 0.261 0.000
C11 -1.470 0.464 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.71931.00972.37092.94242.14273.06293.52583.13375.51904.4259
H21.71931.00972.94242.37092.14273.52583.06293.13375.51904.4259
N31.00971.00972.11252.11251.45482.74352.74352.50154.92233.8128
H42.37092.94242.11251.76611.10292.53293.09012.18543.58812.7562
H52.94242.37092.11251.76611.10293.09012.53292.18543.58812.7562
C62.14272.14271.45481.10291.10292.19072.19071.56663.55642.5327
H73.06293.52582.74352.53293.09012.19071.77401.10073.21792.1214
H83.52583.06292.74353.09012.53292.19071.77401.10073.21792.1214
C93.13373.13372.50152.18542.18541.56661.10071.10072.67331.4845
N105.51905.51904.92233.58813.58813.55643.21793.21792.67331.1892
C114.42594.42593.81282.75622.75622.53272.12142.12141.48451.1892

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 116.718 H1 N3 C6 119.692
H2 N3 C6 119.692 N3 C6 H4 110.617
N3 C6 H5 110.617 N3 C6 C9 111.723
H4 C6 H5 106.393 H4 C6 C9 108.658
H5 C6 C9 108.658 C6 C9 H7 109.188
C6 C9 H8 109.188 C6 C9 C11 112.189
H7 C9 H8 107.380 H7 C9 C11 109.388
H8 C9 C11 109.388 C9 C11 N10 178.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.283      
2 H 0.283      
3 N -0.521      
4 H 0.161      
5 H 0.161      
6 C -0.367      
7 H 0.167      
8 H 0.167      
9 C -0.072      
10 N 0.400      
11 C -0.661      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.759 -0.406 0.000 4.776
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.862 -1.144 0.000
y -1.144 -30.035 0.000
z 0.000 0.000 -27.204
Traceless
 xyz
x -11.242 -1.144 0.000
y -1.144 3.498 0.000
z 0.000 0.000 7.745
Polar
3z2-r215.490
x2-y2-9.827
xy-1.144
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.491 -0.066 0.000
y -0.066 4.704 0.000
z 0.000 0.000 4.628


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000