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

using model chemistry: M06-2X/3-21G*

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/3-21G*
 hartrees
Energy at 0K-262.733091
Energy at 298.15K-262.739093
HF Energy-262.733091
Nuclear repulsion energy207.725669
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/3-21G*
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 3244 3072 0.55      
2 A1 3209 3039 10.25      
3 A1 3165 2998 3.46      
4 A1 1594 1510 20.04      
5 A1 1443 1367 72.32      
6 A1 1182 1120 7.11      
7 A1 1106 1048 0.18      
8 A1 1002 949 1.90      
9 A1 717 679 5.82      
10 A2 1036 981 0.00      
11 A2 431 409 0.00      
12 B1 1096 1038 0.47      
13 B1 1043 988 0.01      
14 B1 867 821 7.10      
15 B1 773 733 58.20      
16 B1 382 362 4.00      
17 B2 3165 2998 10.39      
18 B2 1603 1518 62.26      
19 B2 1505 1426 11.51      
20 B2 1422 1347 0.45      
21 B2 1262 1195 6.03      
22 B2 1132 1072 0.06      
23 B2 1103 1045 2.73      
24 B2 652 618 12.85      

Unscaled Zero Point Vibrational Energy (zpe) 17066.8 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 16165.7 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/3-21G*
ABC
0.20582 0.20196 0.10194

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.361
C2 0.000 0.000 -1.333
C3 0.000 1.189 0.633
C4 0.000 -1.189 0.633
N5 0.000 1.198 -0.717
N6 0.000 -1.198 -0.717
H7 0.000 0.000 2.441
H8 0.000 0.000 -2.413
H9 0.000 2.152 1.127
H10 0.000 -2.152 1.127

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C12.69311.39401.39402.39872.39871.08053.77332.16462.1646
C22.69312.29672.29671.34711.34713.77361.08023.26843.2684
C31.39402.29672.37761.34992.74242.16423.26911.08293.3772
C41.39402.29672.37762.74241.34992.16423.26913.37721.0829
N52.39871.34711.34992.74242.39673.37802.07622.07673.8246
N62.39871.34712.74241.34992.39673.37802.07623.82462.0767
H71.08053.77362.16422.16423.37803.37804.85382.52122.5212
H83.77331.08023.26913.26912.07622.07624.85384.14304.1430
H92.16463.26841.08293.37722.07673.82462.52124.14304.3040
H102.16463.26843.37721.08293.82462.07672.52124.14304.3040

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 121.889 C1 C3 H9 121.320
C1 C4 N6 121.889 C1 C4 H10 121.320
C2 N5 C3 116.771 C2 N6 C4 116.771
C3 C1 C4 117.032 C3 C1 H7 121.484
C4 C1 H7 121.484 N5 C2 N6 125.648
N5 C2 H8 117.176 N5 C3 H9 116.791
N6 C2 H8 117.176 N6 C4 H10 116.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.291      
2 C 0.219      
3 C 0.062      
4 C 0.062      
5 N -0.513      
6 N -0.513      
7 H 0.229      
8 H 0.253      
9 H 0.246      
10 H 0.246      


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 2.427 2.427
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.361 0.000 0.000
y 0.000 -37.269 0.000
z 0.000 0.000 -30.259
Traceless
 xyz
x -2.598 0.000 0.000
y 0.000 -3.959 0.000
z 0.000 0.000 6.556
Polar
3z2-r213.113
x2-y20.907
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.305 0.000 0.000
y 0.000 7.570 0.000
z 0.000 0.000 8.408


<r2> (average value of r2) Å2
<r2> 116.043
(<r2>)1/2 10.772