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

using model chemistry: MP2=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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-300.970978
Energy at 298.15K-300.980813
HF Energy-300.359689
Nuclear repulsion energy245.283621
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=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 3611 3423 26.86      
2 A 3192 3026 1.06      
3 A 3127 2964 0.38      
4 A 3073 2913 1.24      
5 A 1729 1639 117.48      
6 A 1624 1540 24.14      
7 A 1612 1528 0.18      
8 A 1537 1457 16.41      
9 A 1496 1418 59.00      
10 A 1212 1149 5.37      
11 A 1193 1131 0.03      
12 A 1168 1107 1.98      
13 A 917 870 7.14      
14 A 505 479 2.39      
15 A 245 232 1.57      
16 A 229 217 8.78      
17 A 169 160 0.23      
18 A 76 72 4.40      
19 B 3604 3417 7.73      
20 B 3191 3025 0.44      
21 B 3127 2964 92.65      
22 B 3072 2912 120.75      
23 B 1630 1545 23.49      
24 B 1613 1529 11.26      
25 B 1558 1477 324.59      
26 B 1507 1429 19.44      
27 B 1249 1184 405.92      
28 B 1200 1137 2.78      
29 B 1188 1126 45.66      
30 B 1029 976 2.47      
31 B 754 715 27.73      
32 B 716 679 11.13      
33 B 469 445 298.37      
34 B 377 358 53.10      
35 B 148 141 3.66      
36 B 105 100 17.43      

Unscaled Zero Point Vibrational Energy (zpe) 26624.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 25240.4 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=FULL/3-21G*
ABC
0.31766 0.07060 0.05908

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=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 1.348
N3 0.000 1.167 -0.668
N4 0.000 -1.167 -0.668
C5 -0.042 2.474 0.012
C6 0.042 -2.474 0.012
H7 -0.129 1.126 -1.671
H8 0.129 -1.126 -1.671
H9 0.797 3.108 -0.292
H10 -0.797 -3.108 -0.292
H11 0.032 2.255 1.079
H12 -0.032 -2.255 1.079
H13 -0.983 3.003 -0.181
H14 0.983 -3.003 -0.181

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.25551.39251.39252.47562.47562.09612.09613.23183.23182.46192.46193.17163.1716
O21.25552.32902.32902.81162.81163.22443.22443.60373.60372.27132.27133.51003.5100
N31.39252.32902.33331.47443.70391.01202.50592.13224.36482.05893.84232.13924.3117
N41.39252.32902.33333.70391.47442.50591.01204.36482.13223.84232.05894.31172.1392
C52.47562.81161.47443.70394.94862.15823.97791.09515.64131.09164.84791.09635.5755
C62.47562.81163.70391.47444.94863.97792.15825.64131.09514.84791.09165.57551.0963
H72.09613.22441.01202.50592.15823.97792.26712.58604.50302.97734.35962.54414.5287
H82.09613.22442.50591.01203.97792.15822.26714.50302.58604.35962.97734.52872.5441
H93.23183.60372.13224.36481.09515.64132.58604.50306.41781.78715.59791.78616.1154
H103.23183.60374.36482.13225.64131.09514.50302.58606.41785.59791.78716.11541.7861
H112.46192.27132.05893.84231.09164.84792.97734.35961.78715.59794.51081.78255.4900
H122.46192.27133.84232.05894.84791.09164.35962.97735.59791.78714.51085.49001.7825
H133.17163.51002.13924.31171.09635.57552.54414.52871.78616.11541.78255.49006.3197
H143.17163.51004.31172.13925.57551.09634.52872.54416.11541.78615.49001.78256.3197

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 119.394 C1 N3 H7 120.501
C1 N4 C6 119.394 C1 N4 H8 120.501
O2 C1 N3 123.092 O2 C1 N4 123.092
N3 C1 N4 113.815 N3 C5 H9 111.301
N3 C5 H11 105.749 N3 C5 H13 111.794
N4 C6 H10 111.301 N4 C6 H12 105.749
N4 C6 H14 111.794 C5 N3 H7 119.289
C6 N4 H8 119.289 H9 C5 H11 109.624
H9 C5 H13 109.180 H10 C6 H12 109.624
H10 C6 H14 109.180 H11 C5 H13 109.114
H12 C6 H14 109.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability