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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-259.605125
Energy at 298.15K-259.613271
Nuclear repulsion energy179.455763
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 HF/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 4145 3384 2.00      
2 A 4023 3285 1.61      
3 A 3949 3224 5.74      
4 A 3755 3066 0.09      
5 A 3720 3037 3.01      
6 A 3551 2899 5.85      
7 A 2134 1742 137.43      
8 A 1946 1589 22.95      
9 A 1823 1489 3.11      
10 A 1808 1476 7.88      
11 A 1747 1426 4.97      
12 A 1704 1391 4.43      
13 A 1568 1280 167.50      
14 A 1380 1127 0.81      
15 A 1335 1090 20.25      
16 A 1310 1070 25.58      
17 A 1219 996 17.27      
18 A 1005 820 13.22      
19 A 908 741 193.56      
20 A 859 701 81.33      
21 A 703 574 74.22      
22 A 561 458 25.26      
23 A 506 413 6.15      
24 A 374 305 43.43      
25 A 292 239 7.38      
26 A 179 146 1.77      
27 A 98 80 3.73      

Unscaled Zero Point Vibrational Energy (zpe) 23300.0 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 19024.4 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 HF/STO-3G
ABC
0.29163 0.13758 0.10096

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.849 0.106 0.241
H2 1.847 -0.063 1.321
H3 2.776 -0.290 -0.171
H4 1.822 1.179 0.062
H5 0.776 -1.572 -0.341
N6 0.713 -0.550 -0.451
C7 -0.616 -0.144 -0.041
H8 -0.330 1.747 -0.775
H9 -1.775 1.522 0.032
N10 -0.774 1.291 0.033
O11 -1.511 -0.935 0.200

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09281.08911.08752.07551.48332.49382.91083.89672.88523.5174
H21.09281.77191.76822.48742.15902.81563.52244.15853.21843.6454
H31.08911.77191.76652.38202.09823.39783.76324.90313.89114.3506
H41.08751.76821.76652.97052.11722.77612.37853.61412.59843.9489
H52.07552.48742.38202.97051.02952.01643.52484.02763.27682.4343
N61.48332.15902.09822.11721.02951.44882.54343.27412.41532.3484
C72.49382.81563.39782.77612.01641.44882.04852.03141.44591.2178
H82.91083.52243.76322.37853.52482.54342.04851.67051.02813.0878
H93.89674.15854.90313.61414.02763.27412.03141.67051.02812.4771
N102.88523.21843.89112.59843.27682.41531.44591.02811.02812.3508
O113.51743.64544.35063.94892.43432.34841.21783.08782.47712.3508

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 110.057 C1 N6 C7 116.532
H2 C1 H3 108.605 H2 C1 H4 108.380
H2 C1 N6 113.005 H3 C1 H4 108.498
H3 C1 N6 108.329 H4 C1 N6 109.927
H5 N6 C7 107.697 N6 C7 N10 113.106
N6 C7 O11 123.215 C7 N10 H8 110.651
C7 N10 H9 109.221 H8 N10 H9 108.665
N10 C7 O11 123.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability