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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-261.844272
Energy at 298.15K 
HF Energy-261.844272
Nuclear repulsion energy160.819245
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 3368 3212 4.95 91.71 0.10 0.17
2 A1 1458 1390 13.76 19.83 0.40 0.57
3 A1 1345 1282 7.10 14.62 0.19 0.32
4 A1 1086 1036 0.23 4.87 0.32 0.49
5 A1 983 938 3.30 3.99 0.56 0.72
6 A1 839 800 22.93 12.06 0.14 0.25
7 A2 951 907 0.00 2.64 0.75 0.86
8 A2 659 628 0.00 0.16 0.75 0.86
9 B1 893 852 52.38 0.64 0.75 0.86
10 B1 619 590 1.02 0.76 0.75 0.86
11 B2 3352 3197 0.56 54.73 0.75 0.86
12 B2 1591 1517 3.50 0.22 0.75 0.86
13 B2 1227 1170 10.80 0.88 0.75 0.86
14 B2 972 927 12.93 5.82 0.75 0.86
15 B2 708 675 0.59 0.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10025.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9561.2 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
0.34121 0.31209 0.16300

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 1.155
N2 0.000 1.164 0.346
N3 0.000 -1.164 0.346
C4 0.000 0.713 -0.887
C5 0.000 -0.713 -0.887
H6 0.000 1.386 -1.723
H7 0.000 -1.386 -1.723

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.41781.41782.16312.16313.19523.1952
N21.41782.32811.31302.24562.08133.2844
N31.41782.32812.24561.31303.28442.0813
C42.16311.31302.24561.42561.07402.2597
C52.16312.24561.31301.42562.25971.0740
H63.19522.08133.28441.07402.25972.7729
H73.19523.28442.08132.25971.07402.7729

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 104.709 O1 N3 C5 104.709
N2 O1 N3 110.379 N2 C4 C5 110.102
N2 C4 H6 121.050 N3 C5 C4 110.102
N3 C5 H7 121.050 C4 C5 H7 128.848
C5 C4 H6 128.848
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 -0.269      
2 N -0.078      
3 N -0.078      
4 C -0.024      
5 C -0.024      
6 H 0.237      
7 H 0.237      


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 -4.126 4.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.440 0.000 0.000
y 0.000 -30.444 0.000
z 0.000 0.000 -26.029
Traceless
 xyz
x -0.203 0.000 0.000
y 0.000 -3.209 0.000
z 0.000 0.000 3.413
Polar
3z2-r26.825
x2-y22.004
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.029 0.000 0.000
y 0.000 5.611 0.000
z 0.000 0.000 5.682


<r2> (average value of r2) Å2
<r2> 74.325
(<r2>)1/2 8.621