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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-301.031335
Energy at 298.15K-301.041167
HF Energy-300.357301
Nuclear repulsion energy244.448457
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 MP4=FULL/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3561 3485        
2 A 3132 3065        
3 A 3062 2997        
4 A 3013 2949        
5 A 1683 1647        
6 A 1598 1564        
7 A 1587 1554        
8 A 1514 1482        
9 A 1472 1441        
10 A 1194 1169        
11 A 1176 1151        
12 A 1147 1122        
13 A 895 876        
14 A 499 488        
15 A 243 238        
16 A 239 234        
17 A 168 164        
18 A 93 91        
19 B 3555 3479        
20 B 3131 3065        
21 B 3062 2997        
22 B 3011 2948        
23 B 1604 1570        
24 B 1588 1554        
25 B 1535 1502        
26 B 1487 1455        
27 B 1229 1203        
28 B 1181 1156        
29 B 1173 1148        
30 B 1014 992        
31 B 734 718        
32 B 703 688        
33 B 460 451        
34 B 370 362        
35 B 150 147        
36 B 103 101        

Unscaled Zero Point Vibrational Energy (zpe) 26181.6 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 25626.5 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 MP4=FULL/3-21G
ABC
0.31451 0.07025 0.05875

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.092
O2 0.000 0.000 1.354
N3 0.000 1.170 -0.673
N4 0.000 -1.170 -0.673
C5 -0.059 2.479 0.013
C6 0.059 -2.479 0.013
H7 -0.167 1.128 -1.673
H8 0.167 -1.128 -1.673
H9 0.769 3.131 -0.301
H10 -0.769 -3.131 -0.301
H11 0.030 2.258 1.083
H12 -0.030 -2.258 1.083
H13 -1.015 2.995 -0.170
H14 1.015 -2.995 -0.170

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.26241.39741.39742.48132.48132.10072.10073.24813.24812.46642.46643.17303.1730
O21.26242.34022.34022.81962.81963.23453.23453.62443.62442.27492.27493.51023.5102
N31.39742.34022.33981.47913.71351.01502.51132.13914.38502.06543.85162.14784.3161
N41.39742.34022.33983.71351.47912.51131.01504.38502.13913.85162.06544.31612.1478
C52.48132.81961.47913.71354.96012.16343.98771.09965.66401.09594.85721.10115.5816
C62.48132.81963.71351.47914.96013.98772.16345.66401.09964.85721.09595.58161.1011
H72.10073.23451.01502.51132.16343.98772.27972.60224.51432.98494.36752.54264.5443
H82.10073.23452.51131.01503.98772.16342.27974.51432.60224.36752.98494.54432.5426
H93.24813.62442.13914.38501.09965.66402.60224.51436.44841.79525.62151.79376.1324
H103.24813.62444.38502.13915.66401.09964.51432.60226.44845.62151.79526.13241.7937
H112.46642.27492.06543.85161.09594.85722.98494.36751.79525.62154.51731.78945.4896
H122.46642.27493.85162.06544.85721.09594.36752.98495.62151.79524.51735.48961.7894
H133.17303.51022.14784.31611.10115.58162.54264.54431.79376.13241.78945.48966.3243
H143.17303.51024.31612.14785.58161.10114.54432.54266.13241.79375.48961.78946.3243

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 119.191 C1 N3 H7 120.267
C1 N4 C6 119.191 C1 N4 H8 120.267
O2 C1 N3 123.157 O2 C1 N4 123.157
N3 C1 N4 113.686 N3 C5 H9 111.245
N3 C5 H11 105.697 N3 C5 H13 111.857
N4 C6 H10 111.245 N4 C6 H12 105.697
N4 C6 H14 111.857 C5 N3 H7 119.144
C6 N4 H8 119.144 H9 C5 H11 109.709
H9 C5 H13 109.184 H10 C6 H12 109.709
H10 C6 H14 109.184 H11 C5 H13 109.070
H12 C6 H14 109.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability