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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-261.955635
Energy at 298.15K 
HF Energy-261.955635
Nuclear repulsion energy164.626250
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 B1B95/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3331 3181 0.42 90.74 0.10 0.18
2 A1 1506 1438 10.25 17.76 0.35 0.52
3 A1 1381 1319 3.93 13.03 0.16 0.27
4 A1 1084 1035 3.81 5.32 0.58 0.73
5 A1 1074 1026 22.69 7.88 0.17 0.29
6 A1 938 896 18.69 4.69 0.12 0.22
7 A2 909 868 0.00 2.26 0.75 0.86
8 A2 665 635 0.00 0.29 0.75 0.86
9 B1 868 829 34.93 1.04 0.75 0.86
10 B1 664 634 0.87 0.65 0.75 0.86
11 B2 3317 3167 0.01 56.60 0.75 0.86
12 B2 1633 1559 0.09 0.11 0.75 0.86
13 B2 1219 1164 4.48 0.69 0.75 0.86
14 B2 977 933 9.64 4.95 0.75 0.86
15 B2 953 910 15.80 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10259.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9796.0 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 B1B95/6-31G**
ABC
0.35494 0.32922 0.17080

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.114
N2 0.000 1.121 0.357
N3 0.000 -1.121 0.357
C4 0.000 0.707 -0.876
C5 0.000 -0.707 -0.876
H6 0.000 1.405 -1.698
H7 0.000 -1.405 -1.698

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35291.35292.11202.11203.14343.1434
N21.35292.24301.30122.20572.07473.2570
N31.35292.24302.20571.30123.25702.0747
C42.11201.30122.20571.41421.07832.2666
C52.11202.20571.30121.41422.26661.0783
H63.14342.07473.25701.07832.26662.8105
H73.14343.25702.07472.26661.07832.8105

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.439 O1 N3 C5 105.439
N2 O1 N3 111.984 N2 C4 C5 108.569
N2 C4 H6 121.080 N3 C5 C4 108.569
N3 C5 H7 121.080 C4 C5 H7 130.351
C5 C4 H6 130.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.203      
2 N -0.095      
3 N -0.095      
4 C -0.015      
5 C -0.015      
6 H 0.212      
7 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.309 3.309
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.983 0.000 0.000
y 0.000 -29.235 0.000
z 0.000 0.000 -24.937
Traceless
 xyz
x -0.897 0.000 0.000
y 0.000 -2.775 0.000
z 0.000 0.000 3.672
Polar
3z2-r27.344
x2-y21.252
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.301 0.000 0.000
y 0.000 5.502 0.000
z 0.000 0.000 5.589


<r2> (average value of r2) Å2
<r2> 71.354
(<r2>)1/2 8.447