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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-264.599261
Energy at 298.15K-264.607294
HF Energy-264.599261
Nuclear repulsion energy182.494210
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 TPSSh/6-31G(2df,p)
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 3672 3543 23.72      
2 A 3635 3508 30.44      
3 A 3553 3428 12.12      
4 A 3127 3018 17.47      
5 A 3051 2945 41.22      
6 A 3003 2898 48.87      
7 A 1802 1739 395.39      
8 A 1626 1569 109.38      
9 A 1532 1478 26.63      
10 A 1500 1448 6.79      
11 A 1488 1436 47.65      
12 A 1437 1387 27.27      
13 A 1396 1347 149.22      
14 A 1202 1160 2.06      
15 A 1154 1114 6.32      
16 A 1132 1093 29.66      
17 A 1068 1031 29.76      
18 A 883 853 4.05      
19 A 769 742 47.43      
20 A 594 574 40.55      
21 A 569 549 147.47      
22 A 528 509 14.49      
23 A 479 462 34.36      
24 A 386 372 88.65      
25 A 264 255 3.26      
26 A 142 137 4.98      
27 A 95 91 3.26      

Unscaled Zero Point Vibrational Energy (zpe) 20043.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19341.5 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 TPSSh/6-31G(2df,p)
ABC
0.32682 0.13888 0.10021

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.873 0.046 0.091
H2 -2.077 0.801 -0.679
H3 -2.693 -0.674 0.060
H4 -1.876 0.541 1.071
H5 -0.619 -1.656 -0.037
N6 -0.630 -0.658 -0.176
C7 0.628 -0.112 -0.024
H8 -0.063 1.792 -0.443
H9 1.583 1.642 -0.074
N10 0.650 1.276 0.052
O11 1.634 -0.797 0.071

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09771.09181.09782.11801.45282.50782.57093.80982.80683.6067
H21.09771.76101.78102.92812.11492.92852.25683.80362.86294.1094
H31.09181.76101.77912.29652.07633.36863.64024.86443.87004.3286
H41.09781.78101.77912.76352.13192.80972.67353.80652.82203.8875
H52.11802.92812.29652.76351.00861.98503.51683.96593.19622.4142
N61.45282.11492.07632.13191.00861.37932.52873.19282.32972.2819
C72.50782.92853.36862.80971.98501.37932.06871.99751.38961.2213
H82.57092.25683.64022.67353.51682.52872.06871.69391.01053.1386
H93.80983.80364.86443.80653.96593.19281.99751.69391.00982.4435
N102.80682.86293.87002.82203.19622.32971.38961.01051.00982.2943
O113.60674.10944.32863.88752.41422.28191.22133.13862.44352.2943

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 117.605 C1 N6 C7 124.609
H2 C1 H3 107.078 H2 C1 H4 108.428
H2 C1 N6 111.270 H3 C1 H4 108.681
H3 C1 N6 108.531 H4 C1 N6 112.671
H5 N6 C7 111.522 N6 C7 N10 114.569
N6 C7 O11 122.556 C7 N10 H8 118.210
C7 N10 H9 111.742 H8 N10 H9 113.958
N10 C7 O11 122.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability