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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-263.411352
Energy at 298.15K-263.419353
HF Energy-262.891511
Nuclear repulsion energy179.909560
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 3775 3612 35.48      
2 A 3672 3513 39.72      
3 A 3634 3477 36.31      
4 A 3171 3034 17.18      
5 A 3108 2974 43.36      
6 A 3044 2912 43.29      
7 A 1751 1675 332.03      
8 A 1699 1626 182.86      
9 A 1601 1531 18.94      
10 A 1561 1493 8.41      
11 A 1544 1477 60.27      
12 A 1497 1433 13.11      
13 A 1451 1389 258.66      
14 A 1219 1167 1.82      
15 A 1194 1142 1.38      
16 A 1154 1104 36.34      
17 A 1093 1045 28.91      
18 A 889 850 4.27      
19 A 724 693 93.89      
20 A 588 563 69.83      
21 A 551 527 176.36      
22 A 531 509 10.19      
23 A 475 455 11.65      
24 A 348 333 249.54      
25 A 287 274 9.59      
26 A 143 137 8.51      
27 A 94 90 5.10      

Unscaled Zero Point Vibrational Energy (zpe) 20397.6 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 19516.4 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
0.32101 0.13403 0.09664

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 -1.910 0.038 0.060
H2 -2.121 0.698 -0.795
H3 -2.712 -0.706 0.113
H4 -1.927 0.635 0.984
H5 -0.630 -1.686 -0.091
N6 -0.635 -0.675 -0.099
C7 0.630 -0.104 -0.015
H8 -0.128 1.858 -0.274
H9 1.569 1.714 0.036
N10 0.654 1.289 0.012
O11 1.686 -0.801 0.046

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10081.09511.09982.15251.46972.54552.56933.86222.85363.6924
H21.10081.77361.79062.89862.13972.97022.36443.91682.94994.1767
H31.09511.77361.78082.31012.08823.39843.66094.91863.91424.3992
H41.09981.79061.78082.86782.13522.84362.51343.78022.83513.9994
H52.15252.89862.31012.86781.01102.02373.58404.05163.24182.4829
N61.46972.13972.08822.13521.01101.39042.58913.25352.35172.3284
C72.54552.97023.39842.84362.02371.39042.11952.04751.39371.2660
H82.56932.36443.66092.51343.58402.58912.11951.73081.00843.2341
H93.86223.91684.91863.78024.05163.25352.04751.73081.00932.5181
N102.85362.94993.91422.83513.24182.35171.39371.00841.00932.3306
O113.69244.17674.39923.99942.48292.32841.26603.23412.51812.3306

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 119.227 C1 N6 C7 125.726
H2 C1 H3 107.739 H2 C1 H4 108.908
H2 C1 N6 111.894 H3 C1 H4 108.452
H3 C1 N6 108.126 H4 C1 N6 111.589
H5 N6 C7 113.929 N6 C7 N10 115.282
N6 C7 O11 122.391 C7 N10 H8 123.053
C7 N10 H9 115.951 H8 N10 H9 118.146
N10 C7 O11 122.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability