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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-338.567062
Energy at 298.15K-338.573802
Nuclear repulsion energy230.008670
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 B3LYP/LANL2DZ
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 3744 3598 0.00      
2 Ag 3583 3444 0.00      
3 Ag 1725 1658 0.00      
4 Ag 1610 1548 0.00      
5 Ag 1430 1375 0.00      
6 Ag 1106 1063 0.00      
7 Ag 759 730 0.00      
8 Ag 535 514 0.00      
9 Ag 395 380 0.00      
10 Au 710 683 599.57      
11 Au 657 632 104.69      
12 Au 426 409 23.28      
13 Au 111 107 20.54      
14 Bg 821 789 0.00      
15 Bg 700 673 0.00      
16 Bg 619 595 0.00      
17 Bu 3744 3599 148.90      
18 Bu 3584 3445 148.13      
19 Bu 1687 1622 596.57      
20 Bu 1630 1567 312.17      
21 Bu 1322 1270 160.63      
22 Bu 1100 1057 8.81      
23 Bu 568 546 21.19      
24 Bu 271 261 44.56      

Unscaled Zero Point Vibrational Energy (zpe) 16418.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15781.1 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 B3LYP/LANL2DZ
ABC
0.18144 0.12180 0.07288

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.774 0.000
C2 0.000 -0.774 0.000
O3 1.075 1.427 0.000
O4 -1.075 -1.427 0.000
N5 -1.257 1.292 0.000
N6 1.257 -1.292 0.000
H7 -1.398 2.293 0.000
H8 -2.043 0.650 0.000
H9 1.398 -2.293 0.000
H10 2.043 -0.650 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.54831.25772.44971.35972.41862.06452.04723.37092.4908
C21.54832.44971.25772.41861.35973.37092.49082.06452.0472
O31.25772.44973.57322.33622.72502.62043.21373.73412.2918
O42.44971.25773.57322.72502.33623.73412.29182.62043.2137
N51.35972.41862.33622.72503.60551.01111.01484.46143.8297
N62.41861.35972.72502.33623.60554.46143.82971.01111.0148
H72.06453.37092.62043.73411.01114.46141.76525.37154.5285
H82.04722.49083.21372.29181.01483.82971.76524.52854.2887
H93.37092.06453.73412.62044.46141.01115.37154.52851.7652
H102.49082.04722.29183.21373.82971.01484.52854.28871.7652

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.270 C1 C2 N6 112.380
C1 N5 H7 120.386 C1 N5 H8 118.391
C2 C1 O3 121.270 C2 C1 N5 112.380
C2 N6 H9 120.386 C2 N6 H10 118.391
O3 C1 N5 126.350 O4 C2 N6 126.350
H7 N5 H8 121.223 H9 N6 H10 121.223
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.185      
2 C 0.185      
3 O -0.298      
4 O -0.298      
5 N -0.594      
6 N -0.594      
7 H 0.341      
8 H 0.366      
9 H 0.341      
10 H 0.366      


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 -25.915 -12.032 -0.004
y -12.032 -38.681 0.001
z -0.004 0.001 -35.910
Traceless
 xyz
x 11.380 -12.032 -0.004
y -12.032 -7.769 0.001
z -0.004 0.001 -3.612
Polar
3z2-r2-7.224
x2-y212.766
xy-12.032
xz-0.004
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.393 -0.659 -0.001
y -0.659 7.777 -0.002
z -0.001 -0.002 2.714


<r2> (average value of r2) Å2
<r2> 148.293
(<r2>)1/2 12.178