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All results from a given calculation for N(CH3)2CONH2 (Urea, N,N-dimethyl-)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-300.960118
Energy at 298.15K-300.970443
HF Energy-300.354737
Nuclear repulsion energy250.345587
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 MP2/3-21G*
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 3674 3495 21.03      
2 A 3548 3376 23.84      
3 A 3197 3042 0.55      
4 A 3171 3017 8.83      
5 A 3112 2961 24.57      
6 A 3108 2957 53.94      
7 A 3061 2912 54.28      
8 A 3048 2900 48.98      
9 A 1746 1661 161.53      
10 A 1700 1617 164.86      
11 A 1626 1547 5.96      
12 A 1615 1536 9.52      
13 A 1604 1526 7.46      
14 A 1602 1524 16.88      
15 A 1531 1457 41.59      
16 A 1498 1425 16.96      
17 A 1428 1358 216.98      
18 A 1295 1232 125.31      
19 A 1280 1218 7.74      
20 A 1210 1151 4.36      
21 A 1172 1115 3.08      
22 A 1115 1061 49.17      
23 A 1104 1051 61.01      
24 A 1019 969 36.41      
25 A 770 733 66.96      
26 A 741 705 11.81      
27 A 602 572 4.13      
28 A 579 551 193.86      
29 A 509 484 15.51      
30 A 446 424 58.67      
31 A 383 364 29.57      
32 A 309 294 34.16      
33 A 202 192 11.15      
34 A 174 166 3.93      
35 A 152 145 3.63      
36 A 90 86 5.13      

Unscaled Zero Point Vibrational Energy (zpe) 26710.5 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 25409.7 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 MP2/3-21G*
ABC
0.16235 0.11539 0.06993

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.570 0.739 0.034
O2 1.253 -1.361 -0.132
C3 0.771 -0.210 -0.010
N4 -0.597 0.050 0.049
H5 1.297 1.716 0.651
N6 1.577 0.943 0.059
H7 -2.173 -1.120 -0.770
H8 -2.132 -1.070 1.014
H9 -0.894 -2.002 0.112
C10 -1.515 -1.105 0.108
H11 -0.461 2.033 -0.643
H12 -1.467 1.857 0.826
H13 -2.080 1.310 -0.751
C14 -1.181 1.393 -0.128

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.48412.03483.24131.71901.01415.15755.13244.41804.48243.36474.26374.75013.8114
O22.48411.25372.33393.17472.33403.49353.58532.25392.79003.83654.32114.31533.6754
C32.03481.25371.39362.10291.40853.17353.19572.44892.45732.63643.15923.31422.5285
N43.24132.33391.39362.59302.35022.12692.13132.07471.47672.10472.15052.10341.4749
H51.71903.17472.10292.59301.01294.70124.43304.34894.01972.20602.77383.67882.6179
N61.01412.33401.40852.35021.01294.35944.32673.84453.70882.41573.27003.76332.8010
H75.15753.49353.17352.12694.70124.35941.78531.78671.09753.59013.45052.43122.7766
H85.13243.58533.19572.13134.43304.32671.78531.79301.09683.89503.00762.96372.8770
H94.41802.25392.44892.07474.34893.84451.78671.79301.09094.12813.96623.62193.4157
C104.48242.79002.45731.47674.01973.70881.09751.09681.09093.39473.04812.62462.5313
H113.36473.83652.63642.10472.20602.41573.59013.89504.12813.39471.78981.77641.0926
H124.26374.32113.15922.15052.77383.27003.45053.00763.96623.04811.78981.77831.0992
H134.75014.31533.31422.10343.67883.76332.43122.96373.62192.62461.77641.77831.0965
C143.81143.67542.52851.47492.61792.80102.77662.87703.41572.53131.09261.09921.0965

picture of Urea, N,N-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N6 C3 113.260 H1 N6 H5 115.995
O2 C3 N4 123.592 O2 C3 N6 122.392
C3 N4 C10 117.737 C3 N4 C14 123.619
C3 N6 H5 119.662 N4 C3 N6 114.009
N4 C10 H7 110.565 N4 C10 H8 110.963
N4 C10 H9 106.846 N4 C14 H11 109.213
N4 C14 H12 112.510 N4 C14 H13 108.884
H7 C10 H8 108.901 H7 C10 H9 109.459
H8 C10 H9 110.085 C10 N4 C14 118.100
H11 C14 H12 109.491 H11 C14 H13 108.481
H12 C14 H13 108.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability