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: B1B95/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-227.319079
Energy at 298.15K-227.326166
Nuclear repulsion energy154.759582
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/cc-pVDZ
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' 3498 3362 0.05      
2 A' 3077 2958 26.72      
3 A' 3062 2943 2.80      
4 A' 2382 2290 13.68      
5 A' 1648 1584 19.71      
6 A' 1467 1410 3.28      
7 A' 1434 1378 3.65      
8 A' 1380 1326 19.38      
9 A' 1278 1229 3.52      
10 A' 1143 1099 13.71      
11 A' 1031 991 42.12      
12 A' 973 936 9.65      
13 A' 847 814 175.80      
14 A' 526 506 2.45      
15 A' 374 360 6.56      
16 A' 162 156 6.05      
17 A" 3581 3442 0.53      
18 A" 3133 3011 19.04      
19 A" 3107 2986 0.01      
20 A" 1381 1327 0.33      
21 A" 1291 1241 0.55      
22 A" 1145 1100 0.00      
23 A" 963 925 0.54      
24 A" 758 729 2.54      
25 A" 394 379 0.00      
26 A" 319 307 41.69      
27 A" 106 102 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 20229.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 19444.6 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/cc-pVDZ
ABC
0.83732 0.07605 0.07240

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.526 -0.023 0.813
H2 2.526 -0.023 -0.813
N3 2.221 -0.557 0.000
H4 0.483 -1.284 0.879
H5 0.483 -1.284 -0.879
C6 0.783 -0.696 0.000
H7 0.271 1.230 0.884
H8 0.271 1.230 -0.884
C9 0.000 0.632 0.000
N10 -2.590 0.255 0.000
C11 -1.445 0.442 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.62651.01932.40152.93732.03762.58093.08832.73305.18714.0796
H21.62651.01932.93732.40152.03763.08832.58092.73305.18714.0796
N31.01931.01932.07922.07921.44492.78912.78912.51924.87873.7996
H42.40152.93732.07921.75861.09962.52333.07862.16323.54732.7333
H52.93732.40152.07921.75861.09963.07862.52332.16323.54732.7333
C62.03762.03761.44491.09961.09962.18032.18031.54163.50402.5016
H72.58093.08832.78912.52333.07862.18031.76871.10123.14882.0846
H83.08832.58092.78913.07862.52332.18031.76871.10123.14882.0846
C92.73302.73302.51922.16322.16321.54161.10121.10122.61721.4575
N105.18715.18714.87873.54733.54733.50403.14883.14882.61721.1601
C114.07964.07963.79962.73332.73332.50162.08462.08461.45751.1601

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 105.846 H1 N3 C6 110.360
H2 N3 C6 110.360 N3 C6 H4 108.837
N3 C6 H5 108.837 N3 C6 C9 114.986
H4 C6 H5 106.187 H4 C6 C9 108.818
H5 C6 C9 108.818 C6 C9 H7 110.060
C6 C9 H8 110.060 C6 C9 C11 113.020
H7 C9 H8 106.852 H7 C9 C11 108.318
H8 C9 C11 108.318 C9 C11 N10 178.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.085      
2 H 0.085      
3 N -0.188      
4 H 0.054      
5 H 0.054      
6 C 0.022      
7 H 0.070      
8 H 0.070      
9 C -0.029      
10 N -0.124      
11 C -0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.635 1.423 0.000 3.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.370 4.416 0.000
y 4.416 -30.748 0.000
z 0.000 0.000 -27.888
Traceless
 xyz
x -12.052 4.416 0.000
y 4.416 3.881 0.000
z 0.000 0.000 8.171
Polar
3z2-r216.342
x2-y2-10.622
xy4.416
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.612 0.094 0.000
y 0.094 5.229 0.000
z 0.000 0.000 5.108


<r2> (average value of r2) Å2
<r2> 151.734
(<r2>)1/2 12.318