return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-303.322344
Energy at 298.15K-303.332605
HF Energy-302.165399
Nuclear repulsion energy254.517164
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/Def2TZVPP
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 3728 3547 36.09      
2 A 3608 3433 29.61      
3 A 3214 3058 0.19      
4 A 3180 3026 7.55      
5 A 3136 2984 7.02      
6 A 3128 2976 41.29      
7 A 3059 2910 61.12      
8 A 3039 2892 54.18      
9 A 1769 1684 430.00      
10 A 1632 1553 147.96      
11 A 1558 1483 74.57      
12 A 1528 1454 14.51      
13 A 1520 1446 6.98      
14 A 1517 1443 15.90      
15 A 1490 1418 72.55      
16 A 1445 1375 100.45      
17 A 1443 1373 31.93      
18 A 1326 1262 26.43      
19 A 1281 1219 49.72      
20 A 1183 1126 4.55      
21 A 1143 1088 3.66      
22 A 1108 1054 59.38      
23 A 1097 1044 15.25      
24 A 1042 992 23.59      
25 A 784 746 26.96      
26 A 778 740 19.72      
27 A 605 576 35.40      
28 A 582 554 158.66      
29 A 515 490 6.66      
30 A 442 421 31.40      
31 A 391 372 12.12      
32 A 320 305 9.61      
33 A 180 172 2.75      
34 A 157 150 1.60      
35 A 130 124 6.60      
36 A 77 74 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 26567.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 25278.5 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/Def2TZVPP
ABC
0.16965 0.11891 0.07212

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.522 0.664 0.181
O2 1.237 -1.334 -0.070
C3 0.759 -0.208 -0.028
N4 -0.587 0.039 -0.026
H5 1.258 1.688 0.583
N6 1.567 0.928 0.000
H7 -2.177 -1.099 -0.771
H8 -2.097 -0.995 0.996
H9 -0.921 -1.990 0.110
C10 -1.501 -1.075 0.085
H11 -1.342 1.775 0.928
H12 -2.108 1.318 -0.594
H13 -0.505 2.039 -0.620
C14 -1.156 1.366 -0.069

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.38791.97783.17711.67591.00745.10754.97514.34704.38384.08934.74003.41983.7523
O22.38791.22452.28363.09152.28723.49313.51742.26282.75544.16114.30143.83613.6076
C31.97781.22451.36762.05301.39453.15623.13442.45272.42333.04263.29672.64492.4783
N43.17712.28361.36762.54742.32982.09262.09662.06121.44602.11962.06742.08781.4440
H51.67593.09152.05302.54741.00604.62524.31564.30053.93612.62393.58502.16262.5206
N61.00742.28721.39452.32981.00604.32634.25643.83623.66533.16843.74322.43112.7583
H75.10753.49313.15622.09264.62524.32631.77141.77431.09053.44122.42463.55882.7585
H84.97513.51743.13442.09664.31564.25641.77141.77731.09122.87202.80683.78832.7558
H94.34702.26282.45272.06124.30053.83621.77431.77731.08413.87583.58494.11593.3689
C104.38382.75542.42331.44603.93613.66531.09051.09121.08412.97632.56073.34482.4700
H114.08934.16113.04262.11962.62393.16843.44122.87203.87582.97631.76401.77891.0938
H124.74004.30143.29672.06743.58503.74322.42462.80683.58492.56071.76401.75821.0887
H133.41983.83612.64492.08782.16262.43113.55883.78834.11593.34481.77891.75821.0861
C143.75233.60762.47831.44402.52062.75832.75852.75583.36892.47001.09381.08871.0861

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 109.810 H1 N6 H5 112.694
O2 C3 N4 123.422 O2 C3 N6 121.553
C3 N4 C10 118.892 C3 N4 C14 123.606
C3 N6 H5 116.650 N4 C3 N6 115.017
N4 C10 H7 110.389 N4 C10 H8 110.673
N4 C10 H9 108.261 N4 C14 H11 112.542
N4 C14 H12 108.619 N4 C14 H13 110.411
H7 C10 H8 108.566 H7 C10 H9 109.356
H8 C10 H9 109.581 C10 N4 C14 117.444
H11 C14 H12 107.853 H11 C14 H13 109.383
H12 C14 H13 107.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability