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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-264.108060
Energy at 298.15K-264.116259
HF Energy-263.127709
Nuclear repulsion energy183.348917
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/Def2TZVPP
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 3742 3560 42.95      
2 A 3676 3498 50.40      
3 A 3615 3440 29.02      
4 A 3189 3034 11.01      
5 A 3132 2980 24.19      
6 A 3066 2917 38.41      
7 A 1799 1711 482.96      
8 A 1632 1553 135.99      
9 A 1543 1468 36.27      
10 A 1512 1439 9.14      
11 A 1499 1427 57.99      
12 A 1455 1385 34.10      
13 A 1416 1347 129.48      
14 A 1219 1160 4.84      
15 A 1168 1111 9.80      
16 A 1149 1094 25.19      
17 A 1083 1030 29.55      
18 A 902 858 5.41      
19 A 779 742 34.87      
20 A 604 575 39.25      
21 A 559 532 120.83      
22 A 536 510 43.57      
23 A 492 468 37.07      
24 A 397 377 117.97      
25 A 289 275 4.16      
26 A 176 167 1.70      
27 A 114 108 7.60      

Unscaled Zero Point Vibrational Energy (zpe) 20369.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 19381.8 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/Def2TZVPP
ABC
0.33006 0.14053 0.10135

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.857 0.042 0.096
H2 -2.060 0.799 -0.661
H3 -2.675 -0.670 0.064
H4 -1.847 0.522 1.075
H5 -0.610 -1.659 -0.043
N6 -0.624 -0.664 -0.185
C7 0.622 -0.110 -0.021
H8 -0.085 1.766 -0.457
H9 1.555 1.648 -0.075
N10 0.630 1.273 0.049
O11 1.637 -0.782 0.074

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.08981.08551.09012.11341.44812.48572.53343.77482.77473.5895
H21.08981.75011.77062.91992.10452.90302.20843.75932.82184.0873
H31.08551.75011.76902.29222.06663.34533.59414.82603.83384.3137
H41.09011.77061.76902.74512.11872.77372.64563.76352.78373.8520
H52.11342.91992.29222.74511.00541.97913.48993.95303.18442.4150
N61.44812.10452.06662.11871.00541.37292.50393.17882.31872.2786
C72.48572.90303.34532.77371.97911.37292.05201.99141.38471.2210
H82.53342.20843.59412.64563.48992.50392.05201.68821.00543.1209
H93.77483.75934.82603.76353.95303.17881.99141.68821.00632.4359
N102.77472.82183.83382.78373.18442.31871.38471.00541.00632.2883
O113.58954.08734.31373.85202.41502.27861.22103.12092.43592.2883

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 117.814 C1 N6 C7 123.545
H2 C1 H3 107.131 H2 C1 H4 108.628
H2 C1 N6 111.258 H3 C1 H4 108.795
H3 C1 N6 108.458 H4 C1 N6 112.408
H5 N6 C7 111.712 N6 C7 N10 114.460
N6 C7 O11 122.804 C7 N10 H8 117.431
C7 N10 H9 111.817 H8 N10 H9 114.104
N10 C7 O11 122.729
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability