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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-338.505953
Energy at 298.15K-338.512243
Nuclear repulsion energy233.444770
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 B3PW91/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 Ag 3732 3602 0.00      
2 Ag 3571 3446 0.00      
3 Ag 1837 1773 0.00      
4 Ag 1572 1517 0.00      
5 Ag 1409 1360 0.00      
6 Ag 1098 1059 0.00      
7 Ag 776 749 0.00      
8 Ag 533 515 0.00      
9 Ag 394 380 0.00      
10 Au 692 667 0.73      
11 Au 481 464 129.32      
12 Au 323 312 294.73      
13 Au 100 97 1.52      
14 Bg 839 810 0.00      
15 Bg 675 651 0.00      
16 Bg 328 316 0.00      
17 Bu 3733 3603 185.04      
18 Bu 3571 3446 116.54      
19 Bu 1809 1745 606.55      
20 Bu 1557 1503 337.11      
21 Bu 1318 1272 83.55      
22 Bu 1090 1052 12.86      
23 Bu 572 552 21.04      
24 Bu 272 263 39.73      

Unscaled Zero Point Vibrational Energy (zpe) 16140.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15575.9 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 B3PW91/cc-pVDZ
ABC
0.18769 0.12495 0.07501

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.772 0.000
C2 0.000 -0.772 0.000
O3 1.038 1.419 0.000
O4 -1.038 -1.419 0.000
N5 -1.252 1.260 0.000
N6 1.252 -1.260 0.000
H7 -1.415 2.257 0.000
H8 -2.014 0.591 0.000
H9 1.415 -2.257 0.000
H10 2.014 -0.591 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.54371.22322.42431.34402.38662.05152.02253.34322.4318
C21.54372.42431.22322.38661.34403.34322.43182.05152.0225
O31.22322.42433.51632.29582.68742.59243.16283.69532.2342
O42.42431.22323.51632.68742.29583.69532.23422.59243.1628
N51.34402.38662.29582.68743.55261.01051.01434.41403.7543
N62.38661.34402.68742.29583.55264.41403.75431.01051.0143
H72.05153.34322.59243.69531.01054.41401.77095.32814.4577
H82.02252.43183.16282.23421.01433.75431.77094.45774.1984
H93.34322.05153.69532.59244.41401.01055.32814.45771.7709
H102.43182.02252.23423.16283.75431.01434.45774.19841.7709

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.942 C1 C2 N6 111.289
C1 N5 H7 120.573 C1 N5 H8 117.424
C2 C1 O3 121.942 C2 C1 N5 111.289
C2 N6 H9 120.573 C2 N6 H10 117.424
O3 C1 N5 126.769 O4 C2 N6 126.769
H7 N5 H8 122.003 H9 N6 H10 122.003
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.110      
2 C 0.110      
3 O -0.281      
4 O -0.281      
5 N -0.079      
6 N -0.079      
7 H 0.119      
8 H 0.130      
9 H 0.119      
10 H 0.130      


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 -29.391 -11.526 0.000
y -11.526 -32.279 0.000
z 0.000 0.000 -34.477
Traceless
 xyz
x 3.987 -11.526 0.000
y -11.526 -0.345 0.000
z 0.000 0.000 -3.642
Polar
3z2-r2-7.285
x2-y22.888
xy-11.526
xz0.000
yz0.000


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> 143.803
(<r2>)1/2 11.992