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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-264.379060
Energy at 298.15K-264.386934
HF Energy-264.379060
Nuclear repulsion energy181.962435
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 PBEPBE/Def2TZVPP
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 3612 3568 32.11      
2 A 3570 3527 37.76      
3 A 3493 3450 11.93      
4 A 3061 3024 12.20      
5 A 2976 2940 34.64      
6 A 2933 2897 51.25      
7 A 1726 1705 443.29      
8 A 1567 1548 124.64      
9 A 1470 1453 43.71      
10 A 1439 1421 52.99      
11 A 1435 1417 20.73      
12 A 1397 1380 12.52      
13 A 1360 1343 121.92      
14 A 1168 1154 3.50      
15 A 1112 1099 7.54      
16 A 1103 1090 20.74      
17 A 1038 1026 29.86      
18 A 867 856 4.65      
19 A 739 731 25.16      
20 A 571 564 22.62      
21 A 534 527 73.06      
22 A 499 493 68.93      
23 A 455 449 21.88      
24 A 365 360 117.89      
25 A 266 263 4.36      
26 A 139 137 2.55      
27 A 86 85 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 19489.3 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 19253.5 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 PBEPBE/Def2TZVPP
ABC
0.32690 0.13775 0.09923

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.882 0.053 0.091
H2 -2.085 0.817 -0.676
H3 -2.710 -0.664 0.051
H4 -1.888 0.542 1.079
H5 -0.634 -1.660 -0.046
N6 -0.638 -0.654 -0.176
C7 0.625 -0.113 -0.019
H8 -0.041 1.810 -0.442
H9 1.613 1.638 -0.068
N10 0.671 1.278 0.049
O11 1.632 -0.811 0.070

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10161.09601.10182.12391.45522.51462.59953.84052.83173.6187
H21.10161.76401.78722.93922.12302.93962.28423.83652.88704.1262
H31.09601.76401.78432.30482.08393.38073.67194.89893.89884.3446
H41.10181.78721.78432.77212.13702.81952.70783.84362.85483.9039
H52.12392.93922.30482.77211.01421.99453.54233.99103.21652.4225
N61.45522.12302.08392.13701.01421.38342.54933.21512.34532.2893
C72.51462.93963.38072.81951.99451.38342.07862.01161.39401.2287
H82.59952.28423.67192.70783.54232.54932.07861.70451.01563.1516
H93.84053.83654.89893.84363.99103.21512.01161.70451.01522.4538
N102.83172.88703.89882.85483.21652.34531.39401.01561.01522.3003
O113.61874.12624.34463.90392.42252.28931.22873.15162.45382.3003

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 117.542 C1 N6 C7 124.697
H2 C1 H3 106.772 H2 C1 H4 108.411
H2 C1 N6 111.522 H3 C1 H4 108.553
H3 C1 N6 108.719 H4 C1 N6 112.656
H5 N6 C7 111.659 N6 C7 N10 115.220
N6 C7 O11 122.315 C7 N10 H8 118.387
C7 N10 H9 112.267 H8 N10 H9 114.139
N10 C7 O11 122.460
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.201      
2 H 0.086      
3 H 0.093      
4 H 0.116      
5 H 0.172      
6 N -0.186      
7 C 0.219      
8 H 0.152      
9 H 0.180      
10 N -0.281      
11 O -0.350      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.595 1.944 -0.594 4.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.943 5.352 -0.684
y 5.352 -26.712 -1.769
z -0.684 -1.769 -32.059
Traceless
 xyz
x -2.558 5.352 -0.684
y 5.352 5.289 -1.769
z -0.684 -1.769 -2.731
Polar
3z2-r2-5.462
x2-y2-5.231
xy5.352
xz-0.684
yz-1.769


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.562 -0.138 0.058
y -0.138 7.300 -0.053
z 0.058 -0.053 4.939


<r2> (average value of r2) Å2
<r2> 120.100
(<r2>)1/2 10.959