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

using model chemistry: SVWN/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at SVWN/cc-pVDZ
 hartrees
Energy at 0K-262.856207
Energy at 298.15K-262.861961
Nuclear repulsion energy208.913905
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 SVWN/cc-pVDZ
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 3138 3113 4.34      
2 A1 3083 3058 8.47      
3 A1 3075 3050 16.45      
4 A1 1614 1601 48.69      
5 A1 1404 1393 44.12      
6 A1 1144 1135 0.80      
7 A1 1069 1061 0.96      
8 A1 995 987 6.73      
9 A1 673 668 4.38      
10 A2 959 951 0.00      
11 A2 383 380 0.00      
12 B1 986 978 0.00      
13 B1 948 940 0.00      
14 B1 801 795 1.39      
15 B1 719 714 35.16      
16 B1 312 310 2.71      
17 B2 3077 3053 15.74      
18 B2 1610 1597 75.61      
19 B2 1447 1436 5.43      
20 B2 1340 1330 0.77      
21 B2 1319 1309 0.00      
22 B2 1204 1195 8.42      
23 B2 1057 1049 4.33      
24 B2 608 603 11.30      

Unscaled Zero Point Vibrational Energy (zpe) 16482.3 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 16352.1 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 SVWN/cc-pVDZ
ABC
0.21018 0.20304 0.10327

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.352
C2 0.000 0.000 -1.304
C3 0.000 1.181 0.619
C4 0.000 -1.181 0.619
N5 0.000 1.196 -0.715
N6 0.000 -1.196 -0.715
H7 0.000 0.000 2.452
H8 0.000 0.000 -2.410
H9 0.000 2.165 1.124
H10 0.000 -2.165 1.124

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C12.65531.39031.39032.38752.38751.10083.76162.17742.1774
C22.65532.25652.25651.33331.33333.75611.10633.25313.2531
C31.39032.25652.36301.33352.72602.18123.25111.10613.3848
C41.39032.25652.36302.72601.33352.18123.25113.38481.1061
N52.38751.33331.33352.72602.39233.38542.07482.07853.8316
N62.38751.33332.72601.33352.39233.38542.07483.83162.0785
H71.10083.75612.18122.18123.38543.38544.86242.54042.5404
H83.76161.10633.25113.25112.07482.07484.86244.14474.1447
H92.17743.25311.10613.38482.07853.83162.54044.14474.3309
H102.17743.25313.38481.10613.83162.07852.54044.14474.3309

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 122.439 C1 C3 H9 121.015
C1 C4 N6 122.439 C1 C4 H10 121.015
C2 N5 C3 115.588 C2 N6 C4 115.588
C3 C1 C4 116.383 C3 C1 H7 121.808
C4 C1 H7 121.808 N5 C2 N6 127.564
N5 C2 H8 116.218 N5 C3 H9 116.547
N6 C2 H8 116.218 N6 C4 H10 116.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 C 0.028      
3 C 0.031      
4 C 0.031      
5 N -0.117      
6 N -0.117      
7 H 0.034      
8 H 0.061      
9 H 0.053      
10 H 0.053      


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 2.125 2.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.392 0.000 0.000
y 0.000 -36.245 0.000
z 0.000 0.000 -30.567
Traceless
 xyz
x -1.987 0.000 0.000
y 0.000 -3.265 0.000
z 0.000 0.000 5.252
Polar
3z2-r210.503
x2-y20.852
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.432 0.000 0.000
y 0.000 8.707 0.000
z 0.000 0.000 9.624


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