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All results from a given calculation for C4H4N2 (1,3-Diazine)

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-264.210073
Energy at 298.15K-264.215976
HF Energy-264.210073
Nuclear repulsion energy209.271827
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 M06-2X/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 3247 3075 3.71      
2 A1 3219 3048 19.31      
3 A1 3205 3035 11.30      
4 A1 1677 1588 54.87      
5 A1 1471 1393 58.14      
6 A1 1184 1121 1.86      
7 A1 1099 1041 0.61      
8 A1 1030 975 6.12      
9 A1 699 662 4.29      
10 A2 1011 958 0.00      
11 A2 411 390 0.00      
12 B1 1038 983 0.00      
13 B1 994 942 0.23      
14 B1 832 788 2.58      
15 B1 740 701 40.03      
16 B1 359 340 3.16      
17 B2 3208 3038 21.74      
18 B2 1676 1588 86.06      
19 B2 1527 1446 10.60      
20 B2 1406 1332 0.17      
21 B2 1281 1213 4.32      
22 B2 1238 1172 5.67      
23 B2 1113 1054 2.28      
24 B2 634 600 11.37      

Unscaled Zero Point Vibrational Energy (zpe) 17148.9 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 16240.0 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 M06-2X/6-31G*
ABC
0.21044 0.20373 0.10351

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.344
C2 0.000 0.000 -1.303
C3 0.000 1.188 0.618
C4 0.000 -1.188 0.618
N5 0.000 1.194 -0.710
N6 0.000 -1.194 -0.710
H7 0.000 0.000 2.424
H8 0.000 0.000 -2.382
H9 0.000 2.146 1.116
H10 0.000 -2.146 1.116

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C12.64761.39191.39192.37622.37621.07983.72592.15862.1586
C22.64762.25902.25901.33311.33313.72731.07833.23383.2338
C31.39192.25902.37531.32852.72712.16133.22641.08003.3709
C41.39192.25902.37532.72711.32852.16133.22643.37091.0800
N52.37621.33311.32852.72712.38793.35402.05402.05923.8067
N62.37621.33312.72711.32852.38793.35402.05403.80672.0592
H71.07983.72732.16132.16133.35403.35404.80572.51392.5139
H83.72591.07833.22643.22642.05402.05404.80574.10334.1033
H92.15863.23381.08003.37092.05923.80672.51394.10334.2929
H102.15863.23383.37091.08003.80672.05922.51394.10334.2929

picture of 1,3-Diazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N5 121.709 C1 C3 H9 121.155
C1 C4 N6 121.709 C1 C4 H10 121.155
C2 N5 C3 116.142 C2 N6 C4 116.142
C3 C1 C4 117.126 C3 C1 H7 121.437
C4 C1 H7 121.437 N5 C2 N6 127.171
N5 C2 H8 116.414 N5 C3 H9 117.136
N6 C2 H8 116.414 N6 C4 H10 117.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.182      
2 C 0.169      
3 C 0.038      
4 C 0.038      
5 N -0.406      
6 N -0.406      
7 H 0.187      
8 H 0.187      
9 H 0.187      
10 H 0.187      


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 2.326 2.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.486 0.000 0.000
y 0.000 -36.483 0.000
z 0.000 0.000 -30.215
Traceless
 xyz
x -2.137 0.000 0.000
y 0.000 -3.632 0.000
z 0.000 0.000 5.769
Polar
3z2-r211.538
x2-y20.997
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.015 0.000 0.000
y 0.000 8.303 0.000
z 0.000 0.000 8.960


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000