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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-263.445057
Energy at 298.15K-263.452833
HF Energy-262.937142
Nuclear repulsion energy178.683034
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/SDD
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 3782 3651 41.42      
2 A 3664 3537 44.39      
3 A 3630 3504 48.21      
4 A 3153 3044 23.45      
5 A 3091 2984 51.36      
6 A 3009 2905 55.29      
7 A 1714 1655 331.44      
8 A 1666 1608 270.09      
9 A 1569 1515 25.82      
10 A 1531 1478 8.10      
11 A 1519 1466 60.28      
12 A 1478 1427 28.04      
13 A 1426 1377 286.95      
14 A 1207 1165 2.01      
15 A 1171 1130 0.33      
16 A 1141 1102 40.99      
17 A 1077 1040 34.37      
18 A 867 837 4.80      
19 A 721 696 64.09      
20 A 562 542 6.28      
21 A 537 519 214.25      
22 A 512 494 10.22      
23 A 440 424 9.50      
24 A 305 295 280.34      
25 A 289 279 4.21      
26 A 134 129 20.42      
27 A 59 57 10.87      

Unscaled Zero Point Vibrational Energy (zpe) 20126.5 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 19428.1 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/SDD
ABC
0.31767 0.13205 0.09500

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.926 0.040 0.000
H2 -2.038 0.670 -0.902
H3 -2.739 -0.703 0.000
H4 -2.038 0.670 0.902
H5 -0.636 -1.703 -0.000
N6 -0.638 -0.688 -0.000
C7 0.635 -0.106 -0.000
H8 -0.163 1.883 -0.000
H9 1.577 1.735 0.000
N10 0.662 1.298 0.000
O11 1.702 -0.803 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.10581.10061.10582.16861.47932.56552.55043.89142.87803.7248
H21.10581.78551.80342.90032.14872.92612.40813.87482.91554.1198
H31.10061.78551.78552.32832.10033.42603.64934.95613.94564.4418
H41.10581.80341.78552.90032.14872.92612.40843.87482.91554.1196
H52.16862.90032.32832.90031.01552.04163.61724.08893.26992.5059
N61.47932.14872.10032.14871.01551.40012.61413.28272.37362.3432
C72.56552.92613.42602.92612.04161.40012.14292.06781.40391.2743
H82.55042.40813.64932.40843.61722.61412.14291.74601.01183.2696
H93.89143.87484.95613.87484.08893.28272.06781.74601.01352.5407
N102.87802.91553.94562.91553.26992.37361.40391.01181.01352.3435
O113.72484.11984.44184.11962.50592.34321.27433.26962.54072.3435

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 119.582 C1 N6 C7 125.975
H2 C1 H3 108.043 H2 C1 H4 109.259
H2 C1 N6 111.628 H3 C1 H4 108.044
H3 C1 N6 108.103 H4 C1 N6 111.627
H5 N6 C7 114.443 N6 C7 N10 115.669
N6 C7 O11 122.301 C7 N10 H8 124.215
C7 N10 H9 116.678 H8 N10 H9 119.107
N10 C7 O11 122.029
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability