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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-263.826072
Energy at 298.15K-263.834395
HF Energy-263.035055
Nuclear repulsion energy182.153964
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/cc-pVDZ
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 3711 3535 27.17      
2 A 3642 3469 33.69      
3 A 3587 3417 19.39      
4 A 3197 3045 16.22      
5 A 3150 3001 33.52      
6 A 3069 2923 43.47      
7 A 1847 1759 386.20      
8 A 1627 1550 124.97      
9 A 1522 1449 36.90      
10 A 1495 1424 57.02      
11 A 1493 1422 19.75      
12 A 1454 1385 23.74      
13 A 1415 1347 113.70      
14 A 1214 1156 7.23      
15 A 1162 1107 38.15      
16 A 1151 1096 0.32      
17 A 1085 1034 28.61      
18 A 904 861 3.94      
19 A 802 764 78.61      
20 A 672 640 41.06      
21 A 623 593 200.37      
22 A 550 524 19.06      
23 A 499 476 40.91      
24 A 411 392 54.96      
25 A 292 278 1.59      
26 A 182 173 4.84      
27 A 109 104 6.74      

Unscaled Zero Point Vibrational Energy (zpe) 20431.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 19460.7 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/cc-pVDZ
ABC
0.32022 0.13982 0.10127

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.854 0.045 0.135
H2 -2.053 0.903 -0.528
H3 -2.702 -0.647 0.023
H4 -1.829 0.413 1.177
H5 -0.624 -1.651 -0.069
N6 -0.637 -0.652 -0.259
C7 0.625 -0.113 -0.031
H8 -0.017 1.758 -0.568
H9 1.586 1.634 -0.056
N10 0.638 1.283 0.049
O11 1.626 -0.802 0.109

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10301.09991.10522.10451.45702.48912.60823.79452.78343.5820
H21.10301.76801.78842.96212.12042.90702.20883.74222.77814.1052
H31.09991.76801.79352.30982.08473.36973.65234.85793.85694.3322
H41.10521.78841.79352.69542.14942.78522.85233.83122.84863.8158
H52.10452.96212.30982.69541.01681.98093.49763.95933.19512.4115
N61.45702.12042.08472.14941.01681.39042.50703.19522.33672.2977
C72.48912.90703.36972.78521.98091.39042.04941.99481.39801.2239
H82.60822.20883.65232.85233.49762.50702.04941.68721.01693.1163
H93.79453.74224.85793.83123.95933.19521.99481.68721.01722.4425
N102.78342.77813.85692.84863.19512.33671.39801.01691.01722.3081
O113.58204.10524.33223.81582.41152.29771.22393.11632.44252.3081

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 115.426 C1 N6 C7 121.880
H2 C1 H3 106.752 H2 C1 H4 108.167
H2 C1 N6 111.093 H3 C1 H4 108.840
H3 C1 N6 108.430 H4 C1 N6 113.334
H5 N6 C7 109.781 N6 C7 N10 113.863
N6 C7 O11 122.897 C7 N10 H8 115.221
C7 N10 H9 110.376 H8 N10 H9 112.088
N10 C7 O11 123.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability