return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-338.402339
Energy at 298.15K-338.408353
HF Energy-338.402339
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3659 3587 0.00      
2 Ag 3517 3448 0.00      
3 Ag 1776 1741 0.00      
4 Ag 1564 1533 0.00      
5 Ag 1379 1352 0.00      
6 Ag 1077 1056 0.00      
7 Ag 745 731 0.00      
8 Ag 514 504 0.00      
9 Ag 379 371 0.00      
10 Au 678 665 0.47      
11 Au 455 446 146.43      
12 Au 298 292 380.89      
13 Au 84 82 0.04      
14 Bg 791 776 0.00      
15 Bg 661 648 0.00      
16 Bg 292 286 0.00      
17 Bu 3659 3587 129.42      
18 Bu 3517 3448 86.62      
19 Bu 1747 1713 501.15      
20 Bu 1573 1542 309.02      
21 Bu 1289 1264 120.69      
22 Bu 1069 1048 9.26      
23 Bu 557 546 19.26      
24 Bu 259 254 38.98      

Unscaled Zero Point Vibrational Energy (zpe) 15769.4 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 15460.3 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 B97D3/6-31G*
ABC
0.18534 0.12264 0.07380

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.063 0.774 0.000
C2 0.063 -0.774 0.000
O3 -1.155 1.348 0.000
O4 1.155 -1.348 0.000
N5 1.155 1.366 0.000
N6 -1.155 -1.366 0.000
H7 1.233 2.375 0.000
H8 1.979 0.774 0.000
H9 -1.233 -2.375 0.000
H10 -1.979 -0.774 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.55391.23282.44681.35442.40302.06002.04193.35972.4627
C21.55392.44681.23282.40301.35443.35972.46272.06002.0419
O31.23282.44683.54942.30972.71402.59983.18543.72342.2758
O42.44681.23283.54942.71402.30973.72342.27582.59983.1854
N51.35442.40302.30972.71403.57811.01171.01474.43873.7946
N62.40301.35442.71402.30973.57814.43873.79461.01171.0147
H72.06003.35972.59983.72341.01174.43871.76605.35244.4980
H82.04192.46273.18542.27581.01473.79461.76604.49804.2490
H93.35972.06003.72342.59984.43871.01175.35244.49801.7660
H102.46272.04192.27583.18543.79461.01474.49804.24901.7660

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 121.969 C1 C2 N6 112.073
C1 N5 H7 118.977 C1 N5 H8 120.166
C2 C1 O3 121.969 C2 C1 N5 112.073
C2 N6 H9 118.977 C2 N6 H10 120.166
O3 C1 N5 125.959 O4 C2 N6 125.959
H7 N5 H8 120.857 H9 N6 H10 120.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.523      
2 C 0.523      
3 O -0.509      
4 O -0.509      
5 N -0.725      
6 N -0.725      
7 H 0.346      
8 H 0.365      
9 H 0.346      
10 H 0.365      


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 -31.046 11.611 0.000
y 11.611 -30.167 0.000
z 0.000 0.000 -34.649
Traceless
 xyz
x 1.363 11.611 0.000
y 11.611 2.680 0.000
z 0.000 0.000 -4.043
Polar
3z2-r2-8.086
x2-y2-0.878
xy11.611
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.763 0.585 0.000
y 0.585 6.596 0.000
z 0.000 0.000 2.612


<r2> (average value of r2) Å2
<r2> 145.755
(<r2>)1/2 12.073