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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-263.875052
Energy at 298.15K-263.883399
HF Energy-263.071401
Nuclear repulsion energy182.802321
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 MP2/6-311G*
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 3748 3562 25.56      
2 A 3678 3496 31.92      
3 A 3628 3447 21.24      
4 A 3190 3032 16.78      
5 A 3142 2986 33.57      
6 A 3070 2918 41.12      
7 A 1842 1750 429.96      
8 A 1701 1616 135.75      
9 A 1563 1486 33.95      
10 A 1537 1460 11.26      
11 A 1523 1448 44.42      
12 A 1492 1418 22.13      
13 A 1437 1366 168.71      
14 A 1227 1166 2.63      
15 A 1181 1122 31.37      
16 A 1170 1112 12.14      
17 A 1103 1048 32.02      
18 A 906 861 3.84      
19 A 804 764 94.96      
20 A 664 631 30.10      
21 A 629 598 242.64      
22 A 554 527 21.12      
23 A 509 484 44.54      
24 A 427 406 70.49      
25 A 294 279 2.27      
26 A 180 171 4.14      
27 A 109 103 7.49      

Unscaled Zero Point Vibrational Energy (zpe) 20653.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 19626.9 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 MP2/6-311G*
ABC
0.32407 0.14018 0.10142

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.860 0.041 0.102
H2 -2.076 0.798 -0.659
H3 -2.678 -0.679 0.077
H4 -1.847 0.526 1.083
H5 -0.611 -1.658 -0.052
N6 -0.626 -0.662 -0.191
C7 0.626 -0.111 -0.028
H8 -0.073 1.774 -0.471
H9 1.560 1.649 -0.056
N10 0.631 1.276 0.048
O11 1.637 -0.787 0.080

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09411.08961.09482.11511.45052.49452.55423.78292.78093.5941
H21.09411.75631.77802.92382.10982.91932.23543.78232.83764.1037
H31.08961.75631.77602.29112.06953.35403.61934.83713.84294.3162
H41.09481.77801.77602.75402.12702.78472.66813.76402.78813.8553
H52.11512.92382.29112.75401.00661.98133.49953.95643.18752.4146
N61.45052.10982.06952.12701.00661.37742.51323.18382.32152.2825
C72.49452.91933.35402.78471.98131.37742.05851.99261.38841.2209
H82.55422.23543.61932.66813.49952.51322.05851.68991.00663.1283
H93.78293.78234.83713.76403.95643.18381.99261.68991.00692.4407
N102.78092.83763.84292.78813.18752.32151.38841.00661.00692.2947
O113.59414.10374.31623.85532.41462.28251.22093.12832.44072.2947

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 117.681 C1 N6 C7 123.769
H2 C1 H3 107.082 H2 C1 H4 108.641
H2 C1 N6 111.245 H3 C1 H4 108.791
H3 C1 N6 108.285 H4 C1 N6 112.620
H5 N6 C7 111.475 N6 C7 N10 114.145
N6 C7 O11 122.797 C7 N10 H8 117.637
C7 N10 H9 111.592 H8 N10 H9 114.125
N10 C7 O11 123.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability