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: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-227.412547
Energy at 298.15K-227.419649
Nuclear repulsion energy155.139726
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 mPW1PW91/6-311G**
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' 3542 3389 0.35      
2 A' 3079 2946 26.66      
3 A' 3061 2929 2.56      
4 A' 2386 2283 14.52      
5 A' 1674 1602 29.41      
6 A' 1500 1435 5.02      
7 A' 1466 1403 4.05      
8 A' 1397 1337 15.84      
9 A' 1301 1244 0.68      
10 A' 1136 1087 15.63      
11 A' 1022 978 40.62      
12 A' 971 929 6.59      
13 A' 816 781 218.26      
14 A' 534 511 2.13      
15 A' 379 363 7.50      
16 A' 165 158 6.85      
17 A" 3627 3470 1.19      
18 A" 3129 2993 21.14      
19 A" 3100 2966 0.01      
20 A" 1397 1337 0.18      
21 A" 1311 1254 0.46      
22 A" 1163 1113 0.01      
23 A" 973 931 0.49      
24 A" 762 729 2.26      
25 A" 398 381 0.00      
26 A" 315 302 45.34      
27 A" 105 100 1.96      

Unscaled Zero Point Vibrational Energy (zpe) 20354.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19472.8 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 mPW1PW91/6-311G**
ABC
0.83943 0.07636 0.07268

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.539 -0.067 0.817
H2 2.539 -0.067 -0.817
N3 2.213 -0.568 0.000
H4 0.474 -1.281 0.875
H5 0.474 -1.281 -0.875
C6 0.774 -0.700 0.000
H7 0.274 1.227 0.880
H8 0.274 1.227 -0.880
C9 0.000 0.637 0.000
N10 -2.579 0.269 0.000
C11 -1.442 0.452 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.63331.01222.39632.93252.04532.60953.11182.75865.19374.0973
H21.63331.01222.93252.39632.04533.11182.60952.75865.19374.0973
N31.01221.01222.07322.07321.44542.78542.78542.52024.86483.7953
H42.39632.93252.07321.74921.09222.51633.06752.16083.53362.7276
H52.93252.39632.07321.74921.09223.06752.51632.16083.53362.7276
C62.04532.04531.44541.09221.09222.17632.17631.54453.48982.4974
H72.60953.11182.78542.51633.06752.17631.75951.09423.13582.0788
H83.11182.60952.78543.06752.51632.17631.75951.09423.13582.0788
C92.75862.75862.52022.16082.16081.54451.09421.09422.60521.4543
N105.19375.19374.86483.53363.53363.48983.13583.13582.60521.1513
C114.09734.09733.79532.72762.72762.49742.07882.07881.45431.1513

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 107.579 H1 N3 C6 111.443
H2 N3 C6 111.443 N3 C6 H4 108.771
N3 C6 H5 108.771 N3 C6 C9 114.854
H4 C6 H5 106.399 H4 C6 C9 108.858
H5 C6 C9 108.858 C6 C9 H7 109.955
C6 C9 H8 109.955 C6 C9 C11 112.738
H7 C9 H8 107.029 H7 C9 C11 108.492
H8 C9 C11 108.492 C9 C11 N10 178.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.199      
2 H 0.199      
3 N -0.462      
4 H 0.152      
5 H 0.152      
6 C -0.127      
7 H 0.163      
8 H 0.163      
9 C -0.240      
10 N -0.280      
11 C 0.082      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.771 1.471 0.000 4.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.287 4.666 0.000
y 4.666 -31.193 0.000
z 0.000 0.000 -27.893
Traceless
 xyz
x -12.744 4.666 0.000
y 4.666 3.897 0.000
z 0.000 0.000 8.847
Polar
3z2-r217.694
x2-y2-11.094
xy4.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.837 0.022 0.000
y 0.022 5.400 0.000
z 0.000 0.000 5.211


<r2> (average value of r2) Å2
<r2> 151.600
(<r2>)1/2 12.313