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All results from a given calculation for C2H4N2O2 (Oxalamide)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-333.925825
Energy at 298.15K-333.931330
Nuclear repulsion energy223.185796
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 BLYP/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3687 3411 3.91      
2 A 3595 3326 19.70      
3 A 3476 3216 10.15      
4 A 3130 2896 130.78      
5 A 1790 1656 26.73      
6 A 1750 1619 37.29      
7 A 1653 1529 43.83      
8 A 1516 1402 170.09      
9 A 1323 1224 9.15      
10 A 1265 1170 120.02      
11 A 1089 1008 7.36      
12 A 1071 991 0.80      
13 A 831 769 88.32      
14 A 718 664 7.61      
15 A 670 620 0.61      
16 A 572 529 1.69      
17 A 560 518 52.68      
18 A 486 449 22.59      
19 A 440 407 232.86      
20 A 401 371 81.41      
21 A 334 309 70.84      
22 A 304 282 55.78      
23 A 177 164 28.42      
24 A 127 117 6.36      

Unscaled Zero Point Vibrational Energy (zpe) 15480.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 14322.6 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 BLYP/STO-3G
ABC
0.16681 0.11610 0.06888

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.748 -0.195 0.011
C2 0.802 0.296 -0.003
O3 -0.992 -1.454 -0.071
O4 1.226 1.491 -0.060
N5 -1.709 0.866 -0.040
N6 1.516 -0.950 0.157
H7 -2.695 0.651 0.269
H8 -1.344 1.792 0.314
H9 2.433 -1.053 -0.359
H10 0.754 -1.697 -0.047

Atom - Atom Distances (Å)
  C1 C2 O3 O4 N5 N6 H7 H8 H9 H10
C11.62531.28472.59691.43322.39092.13922.09733.31512.1248
C21.62532.50651.26972.57491.44543.52522.63542.14671.9940
O31.28472.50653.68682.42902.56822.72943.28793.46031.7631
O42.59691.26973.68683.00062.46844.02322.61462.83233.2231
N51.43322.57492.42903.00063.70691.05541.05614.57653.5553
N62.39091.44542.56822.46843.70694.50693.96601.05721.0863
H72.13923.52522.72944.02321.05544.50691.76845.44044.1850
H82.09732.63543.28792.61461.05613.96601.76844.77704.0879
H93.31512.14673.46032.83234.57651.05725.44044.77701.8248
H102.12481.99401.76313.22313.55531.08634.18504.08791.8248

picture of Oxalamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 127.109 C1 C2 N6 102.110
C1 N5 H7 117.740 C1 N5 H8 113.957
C2 C1 O3 118.467 C2 C1 N5 114.532
C2 N6 H9 117.297 C2 N6 H10 103.004
O3 C1 N5 126.594 O4 C2 N6 130.653
H7 N5 H8 113.761 H9 N6 H10 116.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.164      
2 C 0.154      
3 O -0.202      
4 O -0.201      
5 N -0.346      
6 N -0.358      
7 H 0.202      
8 H 0.209      
9 H 0.185      
10 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.245 0.152 0.108 1.259
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.327 -6.026 -4.143
y -6.026 -32.461 2.529
z -4.143 2.529 -31.188
Traceless
 xyz
x 5.497 -6.026 -4.143
y -6.026 -3.703 2.529
z -4.143 2.529 -1.794
Polar
3z2-r2-3.588
x2-y26.134
xy-6.026
xz-4.143
yz2.529


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.172 -0.615 -0.226
y -0.615 5.412 0.049
z -0.226 0.049 0.993


<r2> (average value of r2) Å2
<r2> 153.144
(<r2>)1/2 12.375