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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: QCISD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD(T)/TZVP
 hartrees
Energy at 0K-303.219271
Energy at 298.15K-303.229594
HF Energy-302.145397
Nuclear repulsion energy247.922279
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 QCISD(T)/TZVP
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 3607 3474        
2 A 3167 3051        
3 A 3122 3007        
4 A 3040 2928        
5 A 1777 1711        
6 A 1538 1481        
7 A 1508 1453        
8 A 1489 1434        
9 A 1477 1422        
10 A 1215 1170        
11 A 1184 1140        
12 A 1155 1112        
13 A 930 896        
14 A 600 578        
15 A 467 450        
16 A 227 219        
17 A 200 193        
18 A 126 121        
19 B 3605 3472        
20 B 3167 3051        
21 B 3122 3007        
22 B 3040 2928        
23 B 1564 1506        
24 B 1523 1467        
25 B 1502 1446        
26 B 1481 1426        
27 B 1272 1225        
28 B 1173 1130        
29 B 1162 1120        
30 B 1044 1005        
31 B 768 739        
32 B 743 715        
33 B 532 513        
34 B 326 314        
35 B 148 143        
36 B 120 115        

Unscaled Zero Point Vibrational Energy (zpe) 26559.6 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 25582.2 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 QCISD(T)/TZVP
ABC
0.32413 0.07262 0.06101

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.093
O2 0.000 0.000 1.315
N3 0.000 1.162 -0.673
N4 0.000 -1.162 -0.673
C5 -0.305 2.411 0.023
C6 0.305 -2.411 0.023
H7 -0.465 1.058 -1.564
H8 0.465 -1.058 -1.564
H9 -0.160 3.238 -0.674
H10 0.160 -3.238 -0.674
H11 0.382 2.525 0.860
H12 -0.382 -2.525 0.860
H13 -1.329 2.437 0.413
H14 1.329 -2.437 0.413

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.22201.39171.39172.43152.43152.02082.02083.33173.33172.66672.66672.79382.7938
O21.22202.30252.30252.75262.75263.10283.10283.80383.80382.59422.59422.91842.9184
N31.39172.30252.32411.46193.65311.01112.43762.08224.40312.08654.01142.13743.9868
N41.39172.30252.32413.65311.46192.43761.01114.40312.08224.01142.08653.98682.1374
C52.43152.75261.46193.65314.86092.09173.89241.09145.71121.08925.00751.09595.1306
C62.43152.75263.65311.46194.86093.89242.09175.71121.09145.00751.08925.13061.0959
H72.02083.10281.01112.43762.09173.89242.31222.37424.43212.95764.32752.56014.3980
H82.02083.10282.43761.01113.89242.09172.31224.43212.37424.32752.95764.39802.5601
H93.33173.80382.08224.40311.09145.71122.37424.43216.48421.77675.96831.78655.9666
H103.33173.80384.40312.08225.71121.09144.43212.37426.48425.96831.77675.96661.7865
H112.66672.59422.08654.01141.08925.00752.95764.32751.77675.96835.10801.77095.0711
H122.66672.59424.01142.08655.00751.08924.32752.95765.96831.77675.10805.07111.7709
H132.79382.91842.13743.98681.09595.13062.56014.39801.78655.96661.77095.07115.5508
H142.79382.91843.98682.13745.13061.09594.39802.56015.96661.78655.07111.77095.5508

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 116.855 C1 N3 H7 113.558
C1 N4 C6 116.855 C1 N4 H8 113.558
O2 C1 N3 123.382 O2 C1 N4 123.382
N3 C1 N4 113.236 N3 C5 H9 108.403
N3 C5 H11 108.872 N3 C5 H13 112.576
N4 C6 H10 108.403 N4 C6 H12 108.872
N4 C6 H14 112.576 C5 N3 H7 114.282
C6 N4 H8 114.282 H9 C5 H11 109.130
H9 C5 H13 109.524 H10 C6 H12 109.130
H10 C6 H14 109.524 H11 C5 H13 108.286
H12 C6 H14 108.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability