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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-263.763801
Energy at 298.15K-263.772114
HF Energy-263.007750
Nuclear repulsion energy182.348881
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 MP2/6-31G*
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 3719 3507 32.62      
2 A 3650 3442 40.18      
3 A 3599 3394 27.87      
4 A 3217 3034 14.20      
5 A 3171 2990 30.75      
6 A 3097 2921 36.36      
7 A 1848 1743 393.49      
8 A 1680 1584 137.67      
9 A 1582 1492 26.62      
10 A 1554 1466 7.45      
11 A 1538 1451 49.21      
12 A 1486 1401 47.38      
13 A 1450 1367 141.67      
14 A 1232 1162 3.66      
15 A 1188 1120 18.82      
16 A 1172 1105 21.04      
17 A 1108 1044 29.06      
18 A 912 860 3.12      
19 A 788 743 106.72      
20 A 661 624 44.74      
21 A 625 590 225.89      
22 A 549 517 22.77      
23 A 506 477 40.87      
24 A 419 395 81.78      
25 A 293 277 2.01      
26 A 180 170 4.50      
27 A 114 108 7.45      

Unscaled Zero Point Vibrational Energy (zpe) 20668.5 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 19490.4 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 MP2/6-31G*
ABC
0.32280 0.13946 0.10094

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.865 0.039 0.101
H2 -2.077 0.802 -0.655
H3 -2.680 -0.685 0.068
H4 -1.857 0.517 1.088
H5 -0.612 -1.662 -0.056
N6 -0.628 -0.660 -0.191
C7 0.625 -0.109 -0.025
H8 -0.074 1.783 -0.473
H9 1.566 1.653 -0.058
N10 0.631 1.278 0.048
O11 1.644 -0.790 0.079

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09521.09061.09582.11901.45092.49852.56493.79522.78793.6058
H21.09521.75981.77992.92882.10992.92082.23763.78842.83864.1131
H31.09061.75981.77832.29122.06893.35693.62954.84893.85004.3255
H41.09581.77991.77832.75742.12812.79132.68613.78382.80193.8700
H52.11902.92882.29122.75741.01171.98573.51173.96623.19422.4221
N61.45092.10992.06892.12811.01171.37892.52053.19032.32362.2914
C72.49852.92083.35692.79131.98571.37892.06671.99761.38961.2292
H82.56492.23763.62952.68613.51172.52052.06671.69701.01203.1427
H93.79523.78844.84893.78383.96623.19031.99761.69701.01242.4476
N102.78792.83863.85002.80193.19422.32361.38961.01201.01242.3029
O113.60584.11314.32553.87002.42212.29141.22923.14272.44762.3029

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 117.626 C1 N6 C7 123.972
H2 C1 H3 107.240 H2 C1 H4 108.660
H2 C1 N6 111.159 H3 C1 H4 108.850
H3 C1 N6 108.153 H4 C1 N6 112.615
H5 N6 C7 111.402 N6 C7 N10 114.127
N6 C7 O11 122.837 C7 N10 H8 117.898
C7 N10 H9 111.569 H8 N10 H9 113.916
N10 C7 O11 123.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability