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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-263.816223
Energy at 298.15K-263.824522
HF Energy-263.024557
Nuclear repulsion energy182.601310
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 MP2/6-31G**
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 3788 3547 31.73      
2 A 3713 3477 38.68      
3 A 3657 3425 25.46      
4 A 3243 3037 15.54      
5 A 3194 2991 33.30      
6 A 3116 2918 39.67      
7 A 1849 1732 390.07      
8 A 1671 1565 136.19      
9 A 1580 1480 23.93      
10 A 1550 1452 6.45      
11 A 1534 1437 49.03      
12 A 1483 1389 53.14      
13 A 1443 1351 138.08      
14 A 1232 1154 4.55      
15 A 1187 1111 16.47      
16 A 1167 1093 21.65      
17 A 1103 1033 27.96      
18 A 912 854 3.27      
19 A 781 732 89.62      
20 A 653 611 54.92      
21 A 609 570 201.22      
22 A 547 513 21.07      
23 A 504 472 39.19      
24 A 415 389 85.85      
25 A 293 274 2.05      
26 A 178 167 4.30      
27 A 112 105 7.09      

Unscaled Zero Point Vibrational Energy (zpe) 20756.7 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 19438.7 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 MP2/6-31G**
ABC
0.32389 0.13974 0.10111

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.861 0.044 0.122
H2 -2.073 0.845 -0.588
H3 -2.682 -0.664 0.060
H4 -1.833 0.469 1.126
H5 -0.619 -1.648 -0.073
N6 -0.634 -0.652 -0.229
C7 0.622 -0.110 -0.028
H8 -0.035 1.777 -0.514
H9 1.579 1.638 -0.038
N10 0.641 1.278 0.043
O11 1.631 -0.800 0.097

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09041.08661.09142.10751.45342.49172.59563.79412.79023.5924
H21.09041.75131.77102.93082.10682.91312.24203.77702.81944.1099
H31.08661.75131.77272.28952.06873.35133.64604.84413.84904.3158
H41.09141.77101.77272.71942.12932.77422.76253.79002.81943.8305
H52.10752.93082.28952.71941.00811.97643.50173.95323.18772.4110
N61.45342.10682.06872.12931.00811.38242.51753.19012.32892.2933
C72.49172.91313.35132.77421.97641.38242.05611.99301.39011.2287
H82.59562.24203.64602.76253.50172.51752.05611.68831.00753.1282
H93.79413.77704.84413.79003.95323.19011.99301.68831.00802.4416
N102.79022.81943.84902.81943.18772.32891.39011.00751.00802.3021
O113.59244.10994.31583.83052.41102.29331.22873.12822.44162.3021

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 116.621 C1 N6 C7 122.942
H2 C1 H3 107.122 H2 C1 H4 108.532
H2 C1 N6 111.029 H3 C1 H4 108.967
H3 C1 N6 108.202 H4 C1 N6 112.816
H5 N6 C7 110.568 N6 C7 N10 114.281
N6 C7 O11 122.771 C7 N10 H8 117.192
C7 N10 H9 111.417 H8 N10 H9 113.782
N10 C7 O11 122.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability