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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-50.327125
Energy at 298.15K-50.335396
HF Energy-49.555850
Nuclear repulsion energy101.821368
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/CEP-121G*
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 3696 3521 24.58      
2 A 3626 3455 31.04      
3 A 3572 3403 20.55      
4 A 3190 3040 21.17      
5 A 3150 3001 35.55      
6 A 3064 2920 45.76      
7 A 1786 1702 449.85      
8 A 1676 1597 139.83      
9 A 1552 1479 26.68      
10 A 1530 1458 10.07      
11 A 1516 1444 26.67      
12 A 1470 1400 27.67      
13 A 1420 1353 181.15      
14 A 1212 1155 1.60      
15 A 1167 1112 37.18      
16 A 1156 1101 16.83      
17 A 1084 1032 32.48      
18 A 889 847 3.05      
19 A 777 740 103.43      
20 A 669 638 44.16      
21 A 630 601 243.99      
22 A 540 515 21.31      
23 A 497 474 47.52      
24 A 413 394 55.73      
25 A 289 275 2.20      
26 A 181 172 4.63      
27 A 100 95 8.98      

Unscaled Zero Point Vibrational Energy (zpe) 20424.9 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 19460.8 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/CEP-121G*
ABC
0.31679 0.13802 0.09995

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.845 0.063 0.130
H2 -2.038 0.902 -0.546
H3 -2.685 -0.629 0.039
H4 -1.794 0.439 1.159
H5 -0.627 -1.656 -0.102
N6 -0.626 -0.655 -0.270
C7 0.646 -0.139 -0.033
H8 0.051 1.773 -0.525
H9 1.657 1.589 -0.017
N10 0.700 1.261 0.064
O11 1.644 -0.858 0.105

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09481.09211.09632.11981.47042.50512.63583.82342.81363.6090
H21.09481.76211.78312.95542.12012.92452.26303.79542.82774.1327
H31.09211.76211.78582.30482.08243.36823.68404.87653.87694.3362
H41.09631.78311.78582.70962.14542.77682.83153.82332.84473.8229
H52.11982.95542.30482.70961.01531.98203.52093.96993.20912.4167
N61.47042.12012.08242.14541.01531.39332.53313.21162.35382.3100
C72.50512.92453.36822.77681.98201.39332.06192.00251.40451.2374
H82.63582.26303.68402.83153.52092.53312.06191.69451.01513.1390
H93.82343.79544.87653.82333.96993.21162.00251.69451.01552.4500
N102.81362.82773.87692.84473.20912.35381.40451.01511.01552.3198
O113.60904.13274.33623.82292.41672.31001.23743.13902.45002.3198

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 115.829 C1 N6 C7 122.015
H2 C1 H3 107.370 H2 C1 H4 108.930
H2 C1 N6 110.628 H3 C1 H4 109.375
H3 C1 N6 107.803 H4 C1 N6 112.591
H5 N6 C7 109.754 N6 C7 N10 114.559
N6 C7 O11 122.724 C7 N10 H8 115.971
C7 N10 H9 110.655 H8 N10 H9 113.130
N10 C7 O11 122.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability