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: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-225.870113
Energy at 298.15K-225.877130
Nuclear repulsion energy152.860909
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 PBEPBE/3-21G
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' 3338 3308 0.94      
2 A' 3005 2977 23.64      
3 A' 2981 2953 3.31      
4 A' 2249 2228 12.20      
5 A' 1674 1659 21.54      
6 A' 1491 1477 7.17      
7 A' 1473 1460 5.67      
8 A' 1351 1339 7.64      
9 A' 1277 1265 3.36      
10 A' 1090 1080 12.74      
11 A' 943 934 1.03      
12 A' 923 915 25.70      
13 A' 594 588 342.91      
14 A' 547 542 6.31      
15 A' 366 363 11.39      
16 A' 170 168 4.28      
17 A" 3442 3411 0.00      
18 A" 3059 3031 17.25      
19 A" 3021 2994 0.44      
20 A" 1366 1354 0.33      
21 A" 1301 1289 0.56      
22 A" 1171 1160 0.01      
23 A" 952 943 0.34      
24 A" 747 740 3.97      
25 A" 449 445 0.57      
26 A" 333 330 56.82      
27 A" 106 105 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 19708.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 19529.4 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 PBEPBE/3-21G
ABC
0.80488 0.07450 0.07086

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.596 -0.138 0.847
H2 2.596 -0.138 -0.847
N3 2.231 -0.598 0.000
H4 0.459 -1.293 0.891
H5 0.459 -1.293 -0.891
C6 0.771 -0.722 0.000
H7 0.302 1.236 0.895
H8 0.302 1.236 -0.895
C9 0.000 0.658 0.000
N10 -2.610 0.293 0.000
C11 -1.447 0.484 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.69501.03122.43002.98762.09562.67453.19162.84485.29264.1781
H21.69501.03122.98762.43002.09563.19162.67452.84485.29264.1781
N31.03121.03122.10192.10191.46552.80812.80812.56054.92253.8343
H42.43002.98762.10191.78221.10342.53393.10002.19363.56742.7542
H52.98762.43002.10191.78221.10343.10002.53392.19363.56742.7542
C62.09562.09561.46551.10341.10342.20312.20311.58083.52992.5249
H72.67453.19162.80812.53393.10002.20311.78951.10713.18962.1040
H83.19162.67452.80813.10002.53392.20311.78951.10713.18962.1040
C92.84482.84482.56052.19362.19361.58081.10711.10712.63581.4578
N105.29265.29264.92253.56743.56743.52993.18963.18962.63581.1786
C114.17814.17813.83432.75422.75422.52492.10402.10401.45781.1786

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 110.546 H1 N3 C6 112.991
H2 N3 C6 112.991 N3 C6 H4 108.997
N3 C6 H5 108.997 N3 C6 C9 114.338
H4 C6 H5 107.719 H4 C6 C9 108.297
H5 C6 C9 108.297 C6 C9 H7 108.817
C6 C9 H8 108.817 C6 C9 C11 112.323
H7 C9 H8 107.835 H7 C9 C11 109.471
H8 C9 C11 109.471 C9 C11 N10 177.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.275      
2 H 0.275      
3 N -0.637      
4 H 0.237      
5 H 0.237      
6 C -0.251      
7 H 0.252      
8 H 0.252      
9 C -0.511      
10 N -0.483      
11 C 0.353      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.709 1.417 0.000 3.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.473 4.900 0.000
y 4.900 -31.433 0.000
z 0.000 0.000 -27.749
Traceless
 xyz
x -10.882 4.900 0.000
y 4.900 2.677 0.000
z 0.000 0.000 8.205
Polar
3z2-r216.409
x2-y2-9.040
xy4.900
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.634 -0.040 0.000
y -0.040 4.420 0.000
z 0.000 0.000 4.639


<r2> (average value of r2) Å2
<r2> 154.803
(<r2>)1/2 12.442