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

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-302.924150
Energy at 298.15K-302.934468
HF Energy-302.034580
Nuclear repulsion energy253.235510
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 3702 3491 27.59      
2 A 3586 3382 26.70      
3 A 3251 3065 0.10      
4 A 3218 3035 6.60      
5 A 3163 2983 8.14      
6 A 3156 2976 49.79      
7 A 3089 2913 56.59      
8 A 3071 2896 51.19      
9 A 1818 1714 359.78      
10 A 1683 1587 143.44      
11 A 1596 1505 49.71      
12 A 1573 1483 15.61      
13 A 1563 1474 14.81      
14 A 1560 1471 12.92      
15 A 1531 1444 83.54      
16 A 1484 1399 68.25      
17 A 1480 1396 80.23      
18 A 1341 1265 33.64      
19 A 1305 1231 48.07      
20 A 1202 1134 3.57      
21 A 1164 1097 4.43      
22 A 1140 1075 72.32      
23 A 1116 1053 9.07      
24 A 1058 998 26.82      
25 A 801 756 147.13      
26 A 788 743 4.91      
27 A 645 608 149.99      
28 A 602 568 10.16      
29 A 518 488 9.55      
30 A 454 428 29.54      
31 A 399 376 15.23      
32 A 325 307 7.57      
33 A 190 179 6.33      
34 A 163 154 1.73      
35 A 136 128 6.35      
36 A 62 59 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 26965.1 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 25428.1 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
0.16812 0.11743 0.07146

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)
H1 2.527 0.685 0.152
O2 1.257 -1.336 -0.082
C3 0.763 -0.209 -0.010
N4 -0.590 0.037 -0.017
H5 1.259 1.702 0.602
N6 1.558 0.941 0.004
H7 -2.175 -1.110 -0.779
H8 -2.112 -1.005 0.997
H9 -0.917 -1.998 0.118
C10 -1.505 -1.083 0.087
H11 -1.367 1.786 0.917
H12 -2.111 1.311 -0.621
H13 -0.500 2.034 -0.628
C14 -1.164 1.365 -0.078

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.39861.98433.18901.68631.01345.11905.00904.36614.40354.11834.74443.40553.7604
O22.39861.23232.30203.11352.29873.50913.55242.28092.77834.19804.31733.83983.6265
C31.98431.23231.37572.06651.39843.16823.14852.45782.43283.06183.30862.64772.4888
N43.18902.30201.37572.56462.33162.09932.10402.06521.44962.12952.07422.09101.4480
H51.68633.11352.06652.56461.01254.64854.34114.31963.95752.64633.60712.17222.5392
N61.01342.29871.39842.33161.01254.33134.27133.84463.67293.17863.74102.41492.7561
H75.11903.50913.16822.09934.64854.33131.78041.78221.09573.45202.42693.56602.7639
H85.00903.55243.14852.10404.34114.27131.78041.78561.09642.88912.82473.80412.7692
H94.36612.28092.45782.06524.31963.84461.78221.78561.08813.89343.59484.12203.3777
C104.40352.77832.43281.44963.95753.67291.09571.09641.08812.98962.56923.35262.4772
H114.11834.19803.06182.12952.64633.17863.45202.88913.89342.98961.77361.78821.0994
H124.74444.31733.30862.07423.60713.74102.42692.82473.59482.56921.77361.76621.0935
H133.40553.83982.64772.09102.17222.41493.56603.80414.12203.35261.78821.76621.0910
C143.76043.62652.48881.44802.53922.75612.76392.76923.37772.47721.09941.09351.0910

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 109.695 H1 N6 H5 112.684
O2 C3 N4 123.833 O2 C3 N6 121.676
C3 N4 C10 118.858 C3 N4 C14 123.607
C3 N6 H5 117.096 N4 C3 N6 114.383
N4 C10 H7 110.363 N4 C10 H8 110.704
N4 C10 H9 108.092 N4 C14 H11 112.714
N4 C14 H12 108.593 N4 C14 H13 110.093
H7 C10 H8 108.627 H7 C10 H9 109.396
H8 C10 H9 109.644 C10 N4 C14 117.501
H11 C14 H12 107.954 H11 C14 H13 109.448
H12 C14 H13 107.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability