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

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-57.110147
Energy at 298.15K-57.120504
HF Energy-56.203552
Nuclear repulsion energy141.244112
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-121G*
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 3685 3511 20.25      
2 A 3564 3396 20.74      
3 A 3226 3074 5.08      
4 A 3199 3048 25.94      
5 A 3154 3005 32.52      
6 A 3149 3001 34.31      
7 A 3049 2905 73.38      
8 A 3045 2902 39.62      
9 A 1759 1676 336.34      
10 A 1677 1598 166.66      
11 A 1554 1481 37.86      
12 A 1536 1463 16.93      
13 A 1531 1458 14.30      
14 A 1525 1453 12.23      
15 A 1511 1440 22.33      
16 A 1475 1405 4.62      
17 A 1434 1367 224.83      
18 A 1292 1231 34.67      
19 A 1279 1219 15.50      
20 A 1185 1129 15.60      
21 A 1138 1084 6.89      
22 A 1122 1069 88.45      
23 A 1092 1040 14.12      
24 A 1027 978 15.36      
25 A 801 763 133.91      
26 A 777 741 6.40      
27 A 663 632 149.57      
28 A 589 562 14.76      
29 A 500 476 4.44      
30 A 443 422 21.42      
31 A 400 381 20.19      
32 A 322 306 6.03      
33 A 239 228 25.20      
34 A 161 154 2.27      
35 A 136 130 1.00      
36 A 62 60 6.83      

Unscaled Zero Point Vibrational Energy (zpe) 26649.0 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 25391.2 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-121G*
ABC
0.16681 0.11735 0.07218

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.613 0.460 -0.031
O2 -1.127 -1.429 0.164
C3 -0.756 -0.263 -0.030
N4 0.572 0.091 -0.272
H5 -1.497 1.552 -0.667
N6 -1.663 0.817 0.013
H7 1.776 -1.138 0.994
H8 2.456 -0.748 -0.615
H9 1.118 -1.922 -0.460
C10 1.540 -0.997 -0.072
H11 0.450 2.215 -0.235
H12 2.077 1.532 -0.212
H13 1.075 1.493 1.265
C14 1.060 1.406 0.169

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.41121.99263.21601.68601.01644.78195.24434.44744.40183.53614.81444.04383.7984
O22.41121.23932.32163.11682.31373.03323.73022.38212.71283.99064.37873.82123.5809
C31.99261.23931.39612.06111.41022.86793.30152.54002.41152.76323.35842.84852.4745
N43.21602.32161.39612.56402.36722.13572.09092.09401.46982.12772.08382.14071.4704
H51.68603.11682.06112.56401.01544.55064.57464.35334.00982.10183.60323.21812.6945
N61.01642.31371.41022.36721.01544.07494.45113.93163.68182.54543.81393.08542.7900
H74.78193.03322.86792.13574.55064.07491.78971.77771.10003.80942.94472.73642.7688
H85.24433.73023.30152.09094.57464.45111.78971.78681.09373.59882.34613.23542.6846
H94.44742.38212.54002.09404.35333.93161.77771.78681.08874.19653.59273.82643.3876
C104.40182.71282.41151.46984.00983.68181.10001.09371.08873.39572.58832.86412.4623
H113.53613.99062.76322.12772.10182.54543.80943.59884.19653.39571.76491.77891.0908
H124.81444.37873.35842.08383.60323.81392.94472.34613.59272.58831.76491.78531.0931
H134.04383.82122.84852.14073.21813.08542.73643.23543.82642.86411.77891.78531.0999
C143.79843.58092.47451.47042.69452.79002.76882.68463.38762.46231.09081.09311.0999

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 109.325 H1 N6 H5 112.158
O2 C3 N4 123.405 O2 C3 N6 121.548
C3 N4 C10 114.557 C3 N4 C14 119.343
C3 N6 H5 115.404 N4 C3 N6 115.030
N4 C10 H7 111.605 N4 C10 H8 108.404
N4 C10 H9 108.950 N4 C14 H11 111.491
N4 C14 H12 107.842 N4 C14 H13 111.978
H7 C10 H8 109.335 H7 C10 H9 108.620
H8 C10 H9 109.916 C10 N4 C14 113.742
H11 C14 H12 107.831 H11 C14 H13 108.593
H12 C14 H13 108.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability