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

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-263.790407
Energy at 298.15K-263.798745
HF Energy-263.008498
Nuclear repulsion energy182.560127
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 CCD/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 A 3710 3512 26.06      
2 A 3654 3458 32.96      
3 A 3600 3408 23.85      
4 A 3180 3010 17.40      
5 A 3135 2968 33.84      
6 A 3071 2907 36.26      
7 A 1885 1784 465.70      
8 A 1692 1602 139.72      
9 A 1570 1486 31.66      
10 A 1545 1463 13.02      
11 A 1539 1457 63.97      
12 A 1505 1425 36.84      
13 A 1463 1385 130.94      
14 A 1237 1171 3.07      
15 A 1187 1123 40.39      
16 A 1179 1116 4.87      
17 A 1117 1057 26.64      
18 A 919 869 4.07      
19 A 808 765 116.56      
20 A 670 634 43.84      
21 A 629 596 229.24      
22 A 560 530 23.66      
23 A 509 482 47.31      
24 A 419 397 77.65      
25 A 296 280 1.87      
26 A 180 171 4.76      
27 A 111 105 7.81      

Unscaled Zero Point Vibrational Energy (zpe) 20684.3 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 19577.6 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 CCD/6-31G*
ABC
0.32305 0.13974 0.10120

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.864 0.055 0.127
H2 -2.071 0.876 -0.570
H3 -2.694 -0.652 0.048
H4 -1.835 0.460 1.147
H5 -0.631 -1.645 -0.087
N6 -0.638 -0.644 -0.239
C7 0.620 -0.114 -0.029
H8 0.003 1.783 -0.534
H9 1.611 1.619 -0.032
N10 0.661 1.273 0.043
O11 1.614 -0.811 0.101

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09671.09331.09782.11041.45782.49422.62823.81312.80443.5843
H21.09671.76201.78262.94292.11522.91812.26413.79412.82794.1084
H31.09331.76201.78342.29292.07583.35803.67994.86713.86794.3114
H41.09781.78261.78342.72032.13852.78202.82103.82182.84813.8219
H52.11042.94292.29292.72031.01221.97793.51463.95983.19422.4029
N61.45782.11522.07582.13851.01221.38112.52763.19672.33312.2840
C72.49422.91813.35802.78201.97791.38112.05811.99611.39011.2211
H82.62822.26413.67992.82103.51462.52762.05811.69211.01273.1191
H93.81313.79414.86713.82183.95983.19671.99611.69211.01322.4334
N102.80442.82793.86792.84813.19422.33311.39011.01271.01322.2929
O113.58434.10844.31143.82192.40292.28401.22113.11912.43342.2929

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 116.221 C1 N6 C7 122.924
H2 C1 H3 107.139 H2 C1 H4 108.641
H2 C1 N6 111.011 H3 C1 H4 108.960
H3 C1 N6 108.070 H4 C1 N6 112.845
H5 N6 C7 110.517 N6 C7 N10 114.685
N6 C7 O11 122.613 C7 N10 H8 116.984
C7 N10 H9 111.343 H8 N10 H9 113.273
N10 C7 O11 122.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability