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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-336.850147
Energy at 298.15K-336.856794
HF Energy-336.850147
Nuclear repulsion energy235.962063
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3953 3592 0.00      
2 Ag 3816 3467 0.00      
3 Ag 1971 1791 0.00      
4 Ag 1767 1605 0.00      
5 Ag 1550 1408 0.00      
6 Ag 1215 1104 0.00      
7 Ag 834 758 0.00      
8 Ag 579 526 0.00      
9 Ag 438 398 0.00      
10 Au 694 630 10.82      
11 Au 521 473 252.94      
12 Au 390 354 344.08      
13 Au 71 65 6.21      
14 Bg 918 834 0.00      
15 Bg 666 605 0.00      
16 Bg 401 365 0.00      
17 Bu 3954 3593 215.36      
18 Bu 3816 3467 176.51      
19 Bu 1928 1752 1009.61      
20 Bu 1754 1593 327.95      
21 Bu 1408 1279 296.24      
22 Bu 1194 1085 1.86      
23 Bu 642 583 41.46      
24 Bu 301 273 38.37      

Unscaled Zero Point Vibrational Energy (zpe) 17389.0 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 15799.6 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/TZVP
ABC
0.19567 0.12461 0.07613

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.059 0.770 0.000
C2 0.059 -0.770 0.000
O3 -1.125 1.306 0.000
O4 1.125 -1.306 0.000
N5 1.125 1.380 0.000
N6 -1.125 -1.380 0.000
H7 1.163 2.372 0.000
H8 1.959 0.841 0.000
H9 -1.163 -2.372 0.000
H10 -1.959 -0.841 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.54511.19362.38991.33192.40082.01432.01853.33062.4914
C21.54512.38991.19362.40081.33193.33062.49142.01432.0185
O31.19362.38993.44752.25212.68602.52483.11893.67762.3027
O42.38991.19363.44752.68602.25213.67762.30272.52483.1189
N51.33192.40082.25212.68603.56200.99210.99264.39513.8008
N62.40081.33192.68602.25213.56204.39513.80080.99210.9926
H72.01433.33062.52483.67760.99214.39511.72515.28334.4797
H82.01852.49143.11892.30270.99263.80081.72514.47974.2632
H93.33062.01433.67762.52484.39510.99215.28334.47971.7251
H102.49142.01852.30273.11893.80080.99264.47974.26321.7251

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 120.993 C1 C2 N6 112.912
C1 N5 H7 119.441 C1 N5 H8 119.826
C2 C1 O3 120.993 C2 C1 N5 112.912
C2 N6 H9 119.441 C2 N6 H10 119.826
O3 C1 N5 126.096 O4 C2 N6 126.096
H7 N5 H8 120.734 H9 N6 H10 120.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.308      
2 C 0.308      
3 O -0.465      
4 O -0.465      
5 N -0.393      
6 N -0.393      
7 H 0.262      
8 H 0.288      
9 H 0.262      
10 H 0.288      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.318 12.387 0.000
y 12.387 -31.835 0.000
z 0.000 0.000 -35.508
Traceless
 xyz
x 0.354 12.387 0.000
y 12.387 2.578 0.000
z 0.000 0.000 -2.932
Polar
3z2-r2-5.863
x2-y2-1.483
xy12.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.379 0.096 0.000
y 0.096 5.824 0.000
z 0.000 0.000 3.601


<r2> (average value of r2) Å2
<r2> 143.112
(<r2>)1/2 11.963