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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-338.601298
Energy at 298.15K-338.607540
Nuclear repulsion energy232.838464
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 B3LYPultrafine/6-31G*
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 3720 3564 0.00      
2 Ag 3585 3435 0.00      
3 Ag 1827 1751 0.00      
4 Ag 1612 1544 0.00      
5 Ag 1425 1365 0.00      
6 Ag 1112 1065 0.00      
7 Ag 770 738 0.00      
8 Ag 532 510 0.00      
9 Ag 398 382 0.00      
10 Au 687 658 0.82      
11 Au 480 460 198.90      
12 Au 327 313 357.40      
13 Au 93 89 0.77      
14 Bg 816 782 0.00      
15 Bg 670 642 0.00      
16 Bg 332 318 0.00      
17 Bu 3721 3565 150.43      
18 Bu 3585 3435 116.60      
19 Bu 1799 1723 565.68      
20 Bu 1613 1545 332.74      
21 Bu 1324 1268 130.40      
22 Bu 1103 1057 9.01      
23 Bu 574 550 22.92      
24 Bu 278 266 39.30      

Unscaled Zero Point Vibrational Energy (zpe) 16190.7 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 15510.7 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 B3LYPultrafine/6-31G*
ABC
0.18712 0.12393 0.07455

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.061 0.771 0.000
C2 0.061 -0.771 0.000
O3 -1.150 1.334 0.000
O4 1.150 -1.334 0.000
N5 1.150 1.364 0.000
N6 -1.150 -1.364 0.000
H7 1.224 2.370 0.000
H8 1.973 0.776 0.000
H9 -1.224 -2.370 0.000
H10 -1.973 -0.776 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.54661.22582.42851.34812.39652.05162.03393.34962.4596
C21.54662.42851.22582.39651.34813.34962.45962.05162.0339
O31.22582.42853.52252.29942.69842.58983.17193.70532.2657
O42.42851.22583.52252.69842.29943.70532.26572.58983.1719
N51.34812.39652.29942.69843.56781.00901.01154.42483.7858
N62.39651.34812.69842.29943.56784.42483.78581.00901.0115
H72.05163.34962.58983.70531.00904.42481.76105.33534.4858
H82.03392.45963.17192.26571.01153.78581.76104.48584.2404
H93.34962.05163.70532.58984.42481.00905.33534.48581.7610
H102.45962.03392.26573.17193.78581.01154.48584.24041.7610

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.888 C1 C2 N6 111.579
C1 N5 H7 120.330 C1 N5 H8 118.380
C2 C1 O3 121.888 C2 C1 N5 111.579
C2 N6 H9 120.330 C2 N6 H10 118.380
O3 C1 N5 126.532 O4 C2 N6 126.532
H7 N5 H8 121.290 H9 N6 H10 121.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.545      
2 C 0.545      
3 O -0.523      
4 O -0.523      
5 N -0.740      
6 N -0.740      
7 H 0.348      
8 H 0.370      
9 H 0.348      
10 H 0.370      


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 -31.416 11.662 0.000
y 11.662 -30.423 0.000
z 0.000 0.000 -34.720
Traceless
 xyz
x 1.155 11.662 0.000
y 11.662 2.645 0.000
z 0.000 0.000 -3.800
Polar
3z2-r2-7.601
x2-y2-0.993
xy11.662
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.535 0.503 0.000
y 0.503 6.275 0.000
z 0.000 0.000 2.566


<r2> (average value of r2) Å2
<r2> 144.686
(<r2>)1/2 12.029