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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-227.320404
Energy at 298.15K-227.327470
Nuclear repulsion energy154.461215
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*
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' 3503 3352 0.01      
2 A' 3084 2950 25.89      
3 A' 3058 2926 4.65      
4 A' 2374 2271 13.86      
5 A' 1702 1629 27.28      
6 A' 1517 1451 4.56      
7 A' 1488 1424 3.41      
8 A' 1406 1345 15.89      
9 A' 1310 1254 1.22      
10 A' 1139 1090 11.18      
11 A' 1015 971 54.93      
12 A' 968 926 6.10      
13 A' 838 802 227.12      
14 A' 526 503 2.64      
15 A' 377 360 7.63      
16 A' 163 156 6.99      
17 A" 3595 3440 0.31      
18 A" 3135 3000 21.64      
19 A" 3100 2966 0.98      
20 A" 1405 1344 0.20      
21 A" 1318 1261 0.40      
22 A" 1171 1121 0.06      
23 A" 978 936 0.82      
24 A" 764 731 2.72      
25 A" 395 378 0.02      
26 A" 321 307 54.19      
27 A" 106 101 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 20378.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19495.8 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 B3PW91/6-31G*
ABC
0.83176 0.07570 0.07204

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.544 -0.058 0.818
H2 2.544 -0.058 -0.818
N3 2.223 -0.568 0.000
H4 0.483 -1.283 0.878
H5 0.483 -1.283 -0.878
C6 0.780 -0.699 0.000
H7 0.275 1.234 0.882
H8 0.275 1.234 -0.882
C9 0.000 0.641 0.000
N10 -2.594 0.262 0.000
C11 -1.448 0.451 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.63661.01682.39892.93742.04762.61143.11562.76225.21224.1066
H21.63661.01682.93742.39892.04763.11562.61142.76225.21224.1066
N31.01681.01682.07602.07601.44872.79642.79642.53064.88753.8096
H42.39892.93742.07601.75581.09542.52543.07822.16913.55242.7392
H52.93742.39892.07601.75581.09543.07822.52542.16913.55242.7392
C62.04762.04761.44871.09541.09542.18402.18401.55073.50792.5072
H72.61143.11562.79642.52543.07822.18401.76421.09793.15512.0883
H83.11562.61142.79643.07822.52542.18401.76421.09793.15512.0883
C92.76222.76222.53062.16912.16911.55071.09791.09792.62131.4604
N105.21225.21224.88753.55243.55243.50793.15513.15512.62131.1612
C114.10664.10663.80962.73922.73922.50722.08832.08831.46041.1612

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 107.187 H1 N3 C6 111.097
H2 N3 C6 111.097 N3 C6 H4 108.575
N3 C6 H5 108.575 N3 C6 C9 115.027
H4 C6 H5 106.534 H4 C6 C9 108.900
H5 C6 C9 108.900 C6 C9 H7 109.914
C6 C9 H8 109.914 C6 C9 C11 112.715
H7 C9 H8 106.916 H7 C9 C11 108.600
H8 C9 C11 108.600 C9 C11 N10 178.115
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.319     0.368
2 H 0.319     0.368
3 N -0.729     -0.971
4 H 0.197     0.024
5 H 0.197     0.024
6 C -0.196     0.364
7 H 0.213     0.121
8 H 0.213     0.121
9 C -0.414     -0.290
10 N -0.483     -0.440
11 C 0.365     0.312


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.681 1.616 0.000 4.020
CHELPG        
AIM        
ESP 3.729 1.604 0.000 4.060


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.027 4.954 0.000
y 4.954 -30.926 0.000
z 0.000 0.000 -27.589
Traceless
 xyz
x -12.769 4.954 0.000
y 4.954 3.882 0.000
z 0.000 0.000 8.888
Polar
3z2-r217.775
x2-y2-11.101
xy4.954
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 152.539
(<r2>)1/2 12.351