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

using model chemistry: B2PLYP=FULLultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-264.297029
Energy at 298.15K 
HF Energy-264.041092
Nuclear repulsion energy182.409137
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 B2PLYP=FULLultrafine/6-31G*
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 3706 3516 27.27      
2 A 3650 3463 33.73      
3 A 3591 3407 19.91      
4 A 3182 3019 17.43      
5 A 3122 2962 38.89      
6 A 3067 2910 43.15      
7 A 1830 1736 399.64      
8 A 1675 1589 126.59      
9 A 1569 1489 25.69      
10 A 1540 1461 6.99      
11 A 1526 1448 45.50      
12 A 1479 1403 31.94      
13 A 1436 1362 163.47      
14 A 1224 1161 2.04      
15 A 1179 1118 13.79      
16 A 1162 1102 27.47      
17 A 1099 1043 31.01      
18 A 902 855 3.33      
19 A 784 744 91.58      
20 A 635 602 41.82      
21 A 604 573 195.08      
22 A 546 518 18.64      
23 A 501 475 44.24      
24 A 408 387 91.19      
25 A 287 272 2.62      
26 A 169 160 4.36      
27 A 111 106 5.87      

Unscaled Zero Point Vibrational Energy (zpe) 20491.9 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 19440.7 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.32464 0.13904 0.10050

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.876 0.044 0.092
H2 -2.081 0.801 -0.673
H3 -2.693 -0.677 0.056
H4 -1.884 0.531 1.074
H5 -0.622 -1.659 -0.060
N6 -0.630 -0.656 -0.174
C7 0.629 -0.112 -0.023
H8 -0.071 1.806 -0.425
H9 1.581 1.656 -0.048
N10 0.650 1.275 0.042
O11 1.639 -0.798 0.072

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09561.09061.09602.11991.45292.51222.57463.81662.81043.6138
H21.09561.75791.77812.92482.11552.93242.26063.81202.86274.1167
H31.09061.75791.77512.29492.07543.37083.64294.87043.87154.3335
H41.09601.77811.77512.77032.13022.81652.67533.81162.83533.8961
H52.11992.92482.29492.77031.00921.98993.52723.97993.19962.4227
N61.45292.11552.07542.13021.00921.38042.53723.20182.32742.2870
C72.51222.93243.37082.81651.98991.38042.08072.00781.38881.2244
H82.57462.26063.64292.67533.52722.53722.08071.70141.01013.1545
H93.81663.81204.87043.81163.97993.20182.00781.70141.00972.4573
N102.81042.86273.87152.83533.19962.32741.38881.01011.00972.2970
O113.61384.11674.33353.89612.42272.28701.22443.15452.45732.2970

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 117.729 C1 N6 C7 124.893
H2 C1 H3 107.048 H2 C1 H4 108.452
H2 C1 N6 111.446 H3 C1 H4 108.551
H3 C1 N6 108.525 H4 C1 N6 112.631
H5 N6 C7 111.820 N6 C7 N10 114.381
N6 C7 O11 122.685 C7 N10 H8 119.470
C7 N10 H9 112.717 H8 N10 H9 114.778
N10 C7 O11 122.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability