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

using model chemistry: MP2/CEP-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/CEP-31G
 hartrees
Energy at 0K-56.593926
Energy at 298.15K-56.603796
HF Energy-56.047232
Nuclear repulsion energy138.042188
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/CEP-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 3789 3661 31.15      
2 A 3634 3511 37.13      
3 A 3194 3087 5.35      
4 A 3159 3052 31.79      
5 A 3114 3009 67.19      
6 A 3109 3004 60.99      
7 A 3027 2925 88.09      
8 A 3012 2910 75.62      
9 A 1700 1643 186.05      
10 A 1629 1574 381.53      
11 A 1549 1496 51.37      
12 A 1539 1487 3.20      
13 A 1531 1479 5.31      
14 A 1520 1468 16.77      
15 A 1506 1456 47.54      
16 A 1478 1428 28.89      
17 A 1439 1391 252.69      
18 A 1289 1246 19.14      
19 A 1276 1233 79.49      
20 A 1175 1135 4.04      
21 A 1140 1102 1.67      
22 A 1102 1065 21.46      
23 A 1082 1046 50.93      
24 A 1019 984 16.82      
25 A 739 714 0.90      
26 A 702 678 34.88      
27 A 576 556 5.35      
28 A 506 489 127.29      
29 A 499 482 19.24      
30 A 400 386 18.00      
31 A 340 328 129.20      
32 A 288 278 101.04      
33 A 190 184 2.65      
34 A 152 146 0.58      
35 A 85 82 14.17      
36 A 68 65 14.67      

Unscaled Zero Point Vibrational Energy (zpe) 26276.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 25390.5 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 MP2/CEP-31G
ABC
0.15835 0.11187 0.06737

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.614 0.742 0.047
O2 -1.281 -1.398 -0.038
C3 -0.775 -0.212 -0.007
N4 0.613 0.042 -0.027
H5 -1.291 1.870 0.244
N6 -1.615 0.934 0.017
H7 2.162 -1.061 0.982
H8 2.248 -1.092 -0.827
H9 0.974 -2.043 0.035
C10 1.562 -1.110 0.047
H11 0.673 2.048 -0.803
H12 2.249 1.357 -0.295
H13 1.086 1.923 0.958
C14 1.175 1.424 -0.035

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.52312.07263.30271.74941.01805.19025.26954.54224.56863.63824.91343.98953.8510
O22.52311.28932.37893.27992.35613.60613.62852.34632.85874.03474.48434.19753.7408
C32.07261.28931.41122.15971.42083.21343.25352.53232.50442.80023.41872.99222.5459
N43.30272.37891.41122.65292.39962.15302.14512.11701.49482.15162.11552.17441.4917
H51.74943.27992.15972.65291.01614.58914.73764.52584.13022.23343.61732.48292.5217
N61.01802.35611.42082.39961.01614.37894.44263.94493.77762.67423.89913.02632.8331
H75.19023.60613.21342.15304.58914.37891.81151.80841.11193.88192.73553.17182.8609
H85.26953.62853.25352.14514.73764.44261.81151.80801.11103.51272.50583.69092.8476
H94.54222.34632.53232.11704.52583.94491.80841.80801.10284.18643.64514.07263.4731
C104.56862.85872.50441.49484.13023.77761.11191.11101.10283.38872.58263.20162.5644
H113.63824.03472.80022.15162.23342.67423.88193.51274.18643.38871.79381.81281.1095
H124.91344.48433.41872.11553.61733.89912.73552.50583.64512.58261.79381.79991.1066
H133.98954.19752.99222.17442.48293.02633.17183.69094.07263.20161.81281.79991.1144
C143.85103.74082.54591.49172.52172.83312.86092.84763.47312.56441.10951.10661.1144

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 115.398 H1 N6 H5 118.648
O2 C3 N4 123.442 O2 C3 N6 120.698
C3 N4 C10 119.015 C3 N4 C14 122.543
C3 N6 H5 123.966 N4 C3 N6 115.845
N4 C10 H7 110.509 N4 C10 H8 109.942
N4 C10 H9 108.226 N4 C14 H11 110.760
N4 C14 H12 108.096 N4 C14 H13 112.291
H7 C10 H8 109.158 H7 C10 H9 109.478
H8 C10 H9 109.512 C10 N4 C14 118.338
H11 C14 H12 108.088 H11 C14 H13 109.210
H12 C14 H13 108.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability