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

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-227.340338
Energy at 298.15K-227.347407
Nuclear repulsion energy154.780348
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 B3PW91/6-31G(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' 3521 3385 0.38      
2 A' 3065 2947 25.25      
3 A' 3047 2930 2.33      
4 A' 2366 2274 14.03      
5 A' 1663 1599 23.51      
6 A' 1488 1430 3.79      
7 A' 1456 1400 2.99      
8 A' 1385 1331 15.03      
9 A' 1288 1238 1.46      
10 A' 1132 1088 11.11      
11 A' 1011 972 46.91      
12 A' 963 926 5.48      
13 A' 831 799 193.44      
14 A' 530 510 1.82      
15 A' 377 363 6.27      
16 A' 163 157 6.79      
17 A" 3607 3468 1.49      
18 A" 3118 2997 17.82      
19 A" 3089 2970 0.06      
20 A" 1389 1335 0.09      
21 A" 1300 1250 0.36      
22 A" 1152 1108 0.03      
23 A" 968 930 0.62      
24 A" 756 727 2.61      
25 A" 402 386 0.17      
26 A" 308 297 42.66      
27 A" 104 100 1.96      

Unscaled Zero Point Vibrational Energy (zpe) 20239.6 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 19458.3 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 B3PW91/6-31G(2df,p)
ABC
0.83389 0.07605 0.07236

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.537 -0.058 0.815
H2 2.537 -0.058 -0.815
N3 2.219 -0.571 0.000
H4 0.474 -1.281 0.877
H5 0.474 -1.281 -0.877
C6 0.777 -0.699 0.000
H7 0.276 1.233 0.881
H8 0.276 1.233 -0.881
C9 0.000 0.641 0.000
N10 -2.586 0.265 0.000
C11 -1.444 0.451 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.62971.01432.39922.93502.04312.60413.10682.75465.19704.0954
H21.62971.01432.93502.39922.04313.10682.60412.75465.19704.0954
N31.01431.01432.07772.07771.44782.79372.79372.52824.87673.8029
H42.39922.93502.07771.75361.09502.52213.07412.16523.53882.7293
H52.93502.39922.07771.75361.09503.07412.52212.16523.53882.7293
C62.04312.04311.44781.09501.09502.18172.18171.54893.49792.5010
H72.60413.10682.79372.52213.07412.18171.76171.09683.14692.0852
H83.10682.60412.79373.07412.52212.18171.76171.09683.14692.0852
C92.75462.75462.52822.16522.16521.54891.09681.09682.61281.4567
N105.19705.19704.87673.53883.53883.49793.14693.14692.61281.1564
C114.09544.09543.80292.72932.72932.50102.08522.08521.45671.1564

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 106.902 H1 N3 C6 110.929
H2 N3 C6 110.929 N3 C6 H4 108.797
N3 C6 H5 108.797 N3 C6 C9 115.018
H4 C6 H5 106.396 H4 C6 C9 108.745
H5 C6 C9 108.745 C6 C9 H7 109.930
C6 C9 H8 109.930 C6 C9 C11 112.595
H7 C9 H8 106.865 H7 C9 C11 108.672
H8 C9 C11 108.672 C9 C11 N10 178.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.253      
2 H 0.253      
3 N -0.547      
4 H 0.158      
5 H 0.158      
6 C -0.180      
7 H 0.173      
8 H 0.173      
9 C -0.397      
10 N -0.331      
11 C 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.750 1.450 0.000 4.021
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.690 4.481 0.000
y 4.481 -30.592 0.000
z 0.000 0.000 -27.513
Traceless
 xyz
x -12.637 4.481 0.000
y 4.481 4.010 0.000
z 0.000 0.000 8.628
Polar
3z2-r217.256
x2-y2-11.098
xy4.481
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.794 0.024 0.000
y 0.024 5.279 0.000
z 0.000 0.000 5.222


<r2> (average value of r2) Å2
<r2> 151.787
(<r2>)1/2 12.320