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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-338.485607
Energy at 298.15K-338.491901
Nuclear repulsion energy233.942795
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 B1B95/6-31G*
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 3750 3560 0.00      
2 Ag 3607 3424 0.00      
3 Ag 1862 1768 0.00      
4 Ag 1613 1532 0.00      
5 Ag 1439 1366 0.00      
6 Ag 1110 1054 0.00      
7 Ag 780 740 0.00      
8 Ag 534 507 0.00      
9 Ag 394 374 0.00      
10 Au 692 656 0.84      
11 Au 485 460 228.37      
12 Au 343 325 337.17      
13 Au 98 93 1.64      
14 Bg 818 777 0.00      
15 Bg 675 641 0.00      
16 Bg 352 334 0.00      
17 Bu 3750 3560 171.00      
18 Bu 3607 3424 130.89      
19 Bu 1835 1742 594.64      
20 Bu 1607 1525 347.56      
21 Bu 1336 1268 112.41      
22 Bu 1102 1047 14.69      
23 Bu 568 539 22.37      
24 Bu 274 260 39.95      

Unscaled Zero Point Vibrational Energy (zpe) 16315.4 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 15488.2 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 B1B95/6-31G*
ABC
0.18802 0.12578 0.07536

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.061 0.767 0.000
C2 0.061 -0.767 0.000
O3 -1.147 1.327 0.000
O4 1.147 -1.327 0.000
N5 1.147 1.351 0.000
N6 -1.147 -1.351 0.000
H7 1.231 2.354 0.000
H8 1.962 0.754 0.000
H9 -1.231 -2.354 0.000
H10 -1.962 -0.754 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.53931.22162.41761.34132.38022.04642.02263.33352.4345
C21.53932.41761.22162.38021.34133.33352.43452.04642.0226
O31.22162.41763.50782.29352.67802.59023.16063.68222.2352
O42.41761.22163.50782.67802.29353.68222.23522.59023.1606
N51.34132.38022.29352.67803.54391.00671.01004.40243.7540
N62.38021.34132.67802.29353.54394.40243.75401.00671.0100
H72.04643.33352.59023.68221.00674.40241.75865.31324.4559
H82.02262.43453.16062.23521.01003.75401.75864.45594.2031
H93.33352.04643.68222.59024.40241.00675.31324.45591.7586
H102.43452.02262.23523.16063.75401.01004.45594.20311.7586

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.824 C1 C2 N6 111.249
C1 N5 H7 120.611 C1 N5 H8 117.994
C2 C1 O3 121.824 C2 C1 N5 111.249
C2 N6 H9 120.611 C2 N6 H10 117.994
O3 C1 N5 126.927 O4 C2 N6 126.927
H7 N5 H8 121.395 H9 N6 H10 121.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.541      
2 C 0.541      
3 O -0.522      
4 O -0.522      
5 N -0.766      
6 N -0.766      
7 H 0.363      
8 H 0.384      
9 H 0.363      
10 H 0.384      


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 -31.149 11.651 0.000
y 11.651 -30.181 0.000
z 0.000 0.000 -34.675
Traceless
 xyz
x 1.279 11.651 0.000
y 11.651 2.731 0.000
z 0.000 0.000 -4.010
Polar
3z2-r2-8.020
x2-y2-0.968
xy11.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.479 0.481 0.000
y 0.481 6.158 0.000
z 0.000 0.000 2.577


<r2> (average value of r2) Å2
<r2> 143.219
(<r2>)1/2 11.967