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All results from a given calculation for C2H4N4 (2H-Tetrazole, 2-methyl-)

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-295.840182
Energy at 298.15K-295.848043
Nuclear repulsion energy235.227559
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 HF/aug-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 A 3454 3145 0.80      
2 A 3335 3037 2.68      
3 A 3300 3005 11.26      
4 A 3219 2931 29.17      
5 A 1679 1529 13.00      
6 A 1611 1467 17.27      
7 A 1585 1443 22.72      
8 A 1581 1439 10.38      
9 A 1560 1420 8.88      
10 A 1486 1353 12.87      
11 A 1452 1322 26.01      
12 A 1401 1275 27.72      
13 A 1252 1140 10.50      
14 A 1243 1132 0.20      
15 A 1164 1060 37.42      
16 A 1145 1043 15.60      
17 A 1127 1026 8.19      
18 A 1014 923 11.62      
19 A 794 723 5.60      
20 A 768 699 22.47      
21 A 759 691 10.06      
22 A 404 368 5.98      
23 A 250 228 5.33      
24 A 87 79 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17833.7 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 16239.3 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 HF/aug-cc-pVDZ
ABC
0.34002 0.13365 0.09771

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.299 -1.177 0.000
C2 1.402 -0.589 0.000
N3 0.197 -1.092 -0.000
N4 1.383 0.752 0.000
N5 0.141 1.078 0.000
N6 -0.542 -0.013 -0.000
H7 -2.342 -0.560 -0.886
H8 -2.335 0.988 -0.004
H9 -2.342 -0.553 0.891
C10 -1.991 -0.040 0.000

Atom - Atom Distances (Å)
  H1 C2 N3 N4 N5 N6 H7 H8 H9 C10
H11.07282.10342.13563.12163.07054.76475.11454.76644.4380
C21.07281.30581.34052.09022.02783.84754.05573.84853.4370
N32.10341.30582.19192.17111.30792.74143.27662.74412.4279
N42.13561.34052.19191.28382.07144.04673.72484.04543.4650
N53.12162.09022.17111.28381.28793.10362.47753.10132.4072
N63.07052.02781.30792.07141.28792.07882.05292.07911.4487
H74.76473.84752.74144.04673.10362.07881.78131.77711.0860
H85.11454.05573.27663.72482.47752.05291.78131.78131.0834
H94.76643.84852.74414.04543.10132.07911.77711.78131.0860
C104.43803.43702.42793.46502.40721.44871.08601.08341.0860

picture of 2H-Tetrazole, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 N3 124.038 H1 C2 N4 124.121
C2 N3 N6 101.759 C2 N4 N5 105.573
N3 C2 N4 111.841 N3 N6 N5 113.518
N3 N6 C10 123.387 N4 N5 N6 107.310
N5 N6 C10 123.096 N6 C10 H7 109.368
N6 C10 H8 107.464 N6 C10 H9 109.384
H7 C10 H8 110.391 H7 C10 H9 109.806
H8 C10 H9 110.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.150      
2 C 1.017      
3 N -0.423      
4 N -0.473      
5 N -0.379      
6 N -0.304      
7 H -0.050      
8 H -0.154      
9 H -0.049      
10 C 0.965      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.518 -1.447 0.000 2.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.509 -4.397 0.001
y -4.397 -40.409 -0.000
z 0.001 -0.000 -34.959
Traceless
 xyz
x 9.175 -4.397 0.001
y -4.397 -8.675 -0.000
z 0.001 -0.000 -0.500
Polar
3z2-r2-1.000
x2-y211.900
xy-4.397
xz0.001
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 121.848
(<r2>)1/2 11.038